M 8.3 - Sumba, Indonesia Earthquake

USGS Earthquake Hazards Program

M 8.3 - 1977 Sumba, Indonesia Earthquake

iscgem694739 · REVIEWED · Fri, 19 Aug 1977 06:08:54 GMT · 11.1540° S, 118.3850° E

Magnitude

8.3

MW Scale

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P

PAGER Loss Impact

NO PAGER ALERT

V

Maximum Shaking (MMI)

5.4 - Moderate

T

Tsunami Bulletin

No Tsunami Threat Warning

Esri Satellite Map & ShakeMap Visualizations

ShakeMap Intensity Heat Overlay Opacity:

70%

⏱️ 7-Day Aftershock Sequence +0.0 hrs

1x Speed 3x Speed 8x Speed

Mainshock +7 Days

Press Play or drag slider to reveal aftershocks on map Total 70 Aftershocks (M3.8+)

Modified Mercalli Intensity (MMI) Scale Legend USGS ShakeMap Classification

I

Not Felt

II-III

Weak

IV

Light

V

Moderate

VI

Strong

VII

Very Strong

VIII

Severe

IX

Violent

X+

Extreme

Epicenter: 11.1540° S, 118.3850° E · Depth: 15.9 km

Official USGS NEIC Macroseismic Instrumental Intensity Map Open High-Resolution Image

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🏛️ Regional Earthquakes Archive Prioritized by Magnitude

Major historical shocks (M6.0+ & M7.0+ up to 300 km) and significant regional events

Regional earthquakes prioritized by highest magnitude (major past ruptures and strong historical analogs). Click any row (▾ Map) to reveal an interactive satellite location map with distance comparison to the mainshock epicenter.

SORT:

MAG	Date & Time (UTC)	Location	Depth	Map
M 7.0	May 9, 1922 01:50 PM UTC	84 km SSE of Dompu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.2720°, 118.6830° Spatial Relative Telemetry M 7.0 Distance to Epicenter 212 km (132 mi) Direction N Focal Depth 35.0 km (21.7 mi) Origin Timestamp May 9, 1922 01:50 PM UTC
M 6.7	Apr 11, 1978 08:52 PM UTC	297 km S of Praya, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3600°, 116.6850° Spatial Relative Telemetry M 6.7 Distance to Epicenter 187 km (116 mi) Direction W Focal Depth 33.0 km (20.5 mi) Origin Timestamp Apr 11, 1978 08:52 PM UTC
M 6.5	Dec 19, 1986 03:41 AM UTC	120 km WSW of Waingapu, Indonesia	24.9 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9170°, 119.2010° Spatial Relative Telemetry M 6.5 Distance to Epicenter 164 km (102 mi) Direction NNE Focal Depth 24.9 km (15.5 mi) Origin Timestamp Dec 19, 1986 03:41 AM UTC
M 6.4	Nov 1, 1983 05:37 PM UTC	58 km SW of Komodo, Indonesia	83.4 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.0160°, 119.1800° Spatial Relative Telemetry M 6.4 Distance to Epicenter 253 km (157 mi) Direction NNE Focal Depth 83.4 km (51.8 mi) Origin Timestamp Nov 1, 1983 05:37 PM UTC
M 6.4	Mar 11, 1982 10:32 AM UTC	80 km S of Dompu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.2650°, 118.4790° Spatial Relative Telemetry M 6.4 Distance to Epicenter 210 km (130 mi) Direction N Focal Depth 33.0 km (20.5 mi) Origin Timestamp Mar 11, 1982 10:32 AM UTC
M 6.4	May 28, 1972 01:55 AM UTC	248 km S of Taliwang, Indonesia	26.9 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9880°, 116.9500° Spatial Relative Telemetry M 6.4 Distance to Epicenter 158 km (98 mi) Direction W Focal Depth 26.9 km (16.7 mi) Origin Timestamp May 28, 1972 01:55 AM UTC
M 6.3	Jan 22, 2019 05:10 AM UTC	160 km WSW of Waingapu, Indonesia	24.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.4148°, 119.0165° Spatial Relative Telemetry M 6.3 Distance to Epicenter 107 km (66 mi) Direction NE Focal Depth 24.0 km (14.9 mi) Origin Timestamp Jan 22, 2019 05:10 AM UTC
M 6.3	Dec 30, 2016 10:30 PM UTC	58 km SSE of Dompu, Indonesia	79.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.0279°, 118.6639° Spatial Relative Telemetry M 6.3 Distance to Epicenter 238 km (148 mi) Direction N Focal Depth 79.0 km (49.1 mi) Origin Timestamp Dec 30, 2016 10:30 PM UTC
M 6.3	Feb 12, 2016 10:02 AM UTC	94 km W of Waingapu, Indonesia	28.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.6338°, 119.4013° Spatial Relative Telemetry M 6.3 Distance to Epicenter 202 km (126 mi) Direction NNE Focal Depth 28.0 km (17.4 mi) Origin Timestamp Feb 12, 2016 10:02 AM UTC
M 6.3	Oct 5, 1984 04:31 PM UTC	145 km SSE of Dompu, Indonesia	34.2 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8090°, 118.7870° Spatial Relative Telemetry M 6.3 Distance to Epicenter 156 km (97 mi) Direction NNE Focal Depth 34.2 km (21.3 mi) Origin Timestamp Oct 5, 1984 04:31 PM UTC
M 6.3	Oct 31, 1977 08:14 AM UTC	297 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.4370°, 118.2250° Spatial Relative Telemetry M 6.3 Distance to Epicenter 36 km (22 mi) Direction SSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 31, 1977 08:14 AM UTC
M 6.3	Oct 7, 1977 12:10 PM UTC	161 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9520°, 117.3190° Spatial Relative Telemetry M 6.3 Distance to Epicenter 177 km (110 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 7, 1977 12:10 PM UTC
M 6.3	Jan 2, 1977 09:55 AM UTC	151 km WSW of Waingapu, Indonesia	19.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1700°, 118.9870° Spatial Relative Telemetry M 6.3 Distance to Epicenter 128 km (80 mi) Direction NNE Focal Depth 19.0 km (11.8 mi) Origin Timestamp Jan 2, 1977 09:55 AM UTC
M 6.3	Apr 13, 1951 10:14 AM UTC	139 km WSW of Waingapu, Indonesia	25.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9570°, 119.0310° Spatial Relative Telemetry M 6.3 Distance to Epicenter 151 km (94 mi) Direction NNE Focal Depth 25.0 km (15.5 mi) Origin Timestamp Apr 13, 1951 10:14 AM UTC
M 6.3	Dec 21, 1938 12:26 PM UTC	139 km SSE of Dompu, Indonesia	25.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.7610°, 118.7790° Spatial Relative Telemetry M 6.3 Distance to Epicenter 161 km (100 mi) Direction NNE Focal Depth 25.0 km (15.5 mi) Origin Timestamp Dec 21, 1938 12:26 PM UTC
M 6.3	Jan 3, 1936 05:26 PM UTC	84 km S of Komodo, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.3490°, 119.5480° Spatial Relative Telemetry M 6.3 Distance to Epicenter 238 km (148 mi) Direction NNE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Jan 3, 1936 05:26 PM UTC
M 6.3	Jul 30, 1935 05:44 AM UTC	56 km S of Komodo, Indonesia	60.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.1010°, 119.4710° Spatial Relative Telemetry M 6.3 Distance to Epicenter 257 km (160 mi) Direction NNE Focal Depth 60.0 km (37.3 mi) Origin Timestamp Jul 30, 1935 05:44 AM UTC
M 6.3	Oct 15, 1923 07:58 AM UTC	62 km S of Waingapu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.2180°, 120.2570° Spatial Relative Telemetry M 6.3 Distance to Epicenter 230 km (143 mi) Direction ENE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Oct 15, 1923 07:58 AM UTC
M 6.3	Oct 15, 1923 07:32 AM UTC	77 km WSW of Waingapu, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9410°, 119.6200° Spatial Relative Telemetry M 6.3 Distance to Epicenter 191 km (119 mi) Direction NE Focal Depth 15.0 km (9.3 mi) Origin Timestamp Oct 15, 1923 07:32 AM UTC
M 6.2	Apr 6, 1959 02:12 PM UTC	48 km S of Waingapu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.0930°, 120.3190° Spatial Relative Telemetry M 6.2 Distance to Epicenter 242 km (150 mi) Direction ENE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Apr 6, 1959 02:12 PM UTC
M 6.2	May 16, 1949 04:32 AM UTC	30 km SSE of Waingapu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9250°, 120.3280° Spatial Relative Telemetry M 6.2 Distance to Epicenter 253 km (157 mi) Direction ENE Focal Depth 35.0 km (21.7 mi) Origin Timestamp May 16, 1949 04:32 AM UTC
M 6.2	Dec 15, 1926 05:10 PM UTC	south of Sumba, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -12.6510°, 120.6120° Spatial Relative Telemetry M 6.2 Distance to Epicenter 294 km (183 mi) Direction SE Focal Depth 15.0 km (9.3 mi) Origin Timestamp Dec 15, 1926 05:10 PM UTC
M 6.1	Jun 9, 2016 04:13 AM UTC	279 km S of Lembar, Indonesia	19.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2487°, 116.2669° Spatial Relative Telemetry M 6.1 Distance to Epicenter 231 km (144 mi) Direction W Focal Depth 19.0 km (11.8 mi) Origin Timestamp Jun 9, 2016 04:13 AM UTC
M 6.1	Feb 12, 1996 09:08 AM UTC	232 km SW of Waingapu, Indonesia	8.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0440°, 118.6700° Spatial Relative Telemetry M 6.1 Distance to Epicenter 33 km (21 mi) Direction ENE Focal Depth 8.0 km (5.0 mi) Origin Timestamp Feb 12, 1996 09:08 AM UTC
M 6.1	Aug 26, 1977 06:09 PM UTC	156 km WSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.4430°, 119.0720° Spatial Relative Telemetry M 6.1 Distance to Epicenter 109 km (68 mi) Direction NE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 06:09 PM UTC
M 6.1	Aug 26, 1977 06:05 PM UTC	162 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.7430°, 119.2680° Spatial Relative Telemetry M 6.1 Distance to Epicenter 107 km (66 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 06:05 PM UTC
M 6.1	Aug 21, 1977 07:16 PM UTC	196 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0390°, 119.1350° Spatial Relative Telemetry M 6.1 Distance to Epicenter 83 km (52 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 21, 1977 07:16 PM UTC
M 6.1	Aug 19, 1977 06:43 AM UTC	224 km S of Dompu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.5660°, 118.3860° Spatial Relative Telemetry M 6.1 Distance to Epicenter 65 km (40 mi) Direction N Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 06:43 AM UTC
M 6.1	Aug 19, 1977 05:08 AM UTC	263 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1450°, 118.3880° Spatial Relative Telemetry M 6.1 Distance to Epicenter 1 km (1 mi) Direction NNE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 05:08 AM UTC
M 6.1	Feb 25, 1931 05:28 PM UTC	149 km SSE of Dompu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8370°, 118.8320° Spatial Relative Telemetry M 6.1 Distance to Epicenter 154 km (96 mi) Direction NNE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Feb 25, 1931 05:28 PM UTC
M 6.1	Mar 15, 1925 03:41 PM UTC	163 km SSW of Waingapu, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0020°, 119.6500° Spatial Relative Telemetry M 6.1 Distance to Epicenter 139 km (86 mi) Direction E Focal Depth 15.0 km (9.3 mi) Origin Timestamp Mar 15, 1925 03:41 PM UTC
M 6.0	Jan 22, 2019 11:59 PM UTC	142 km WSW of Waingapu, Indonesia	26.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.3278°, 119.1521° Spatial Relative Telemetry M 6.0 Distance to Epicenter 124 km (77 mi) Direction NE Focal Depth 26.0 km (16.2 mi) Origin Timestamp Jan 22, 2019 11:59 PM UTC
M 6.0	Oct 2, 2018 11:59 PM UTC	99 km S of Waingapu, Indonesia	29.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.5585°, 120.2424° Spatial Relative Telemetry M 6.0 Distance to Epicenter 213 km (132 mi) Direction ENE Focal Depth 29.0 km (18.0 mi) Origin Timestamp Oct 2, 2018 11:59 PM UTC
M 6.0	Nov 28, 2009 06:04 AM UTC	172 km WSW of Waingapu, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.4030°, 118.8850° Spatial Relative Telemetry M 6.0 Distance to Epicenter 100 km (62 mi) Direction NNE Focal Depth 15.0 km (9.3 mi) Origin Timestamp Nov 28, 2009 06:04 AM UTC
M 6.0	Oct 30, 2000 12:01 PM UTC	130 km W of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.7080°, 119.0750° Spatial Relative Telemetry M 6.0 Distance to Epicenter 178 km (111 mi) Direction NNE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 30, 2000 12:01 PM UTC
M 6.0	Sep 23, 1977 05:57 AM UTC	282 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2060°, 118.2170° Spatial Relative Telemetry M 6.0 Distance to Epicenter 19 km (12 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 23, 1977 05:57 AM UTC
M 6.0	Sep 2, 1977 10:36 AM UTC	195 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0400°, 119.1490° Spatial Relative Telemetry M 6.0 Distance to Epicenter 84 km (52 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 2, 1977 10:36 AM UTC
M 6.0	Aug 20, 1977 04:20 AM UTC	273 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0990°, 118.2400° Spatial Relative Telemetry M 6.0 Distance to Epicenter 17 km (11 mi) Direction WNW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 04:20 AM UTC
M 6.0	Dec 19, 1973 04:43 AM UTC	92 km WNW of Waingapu, Indonesia	58.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.4360°, 119.4520° Spatial Relative Telemetry M 6.0 Distance to Epicenter 224 km (139 mi) Direction NNE Focal Depth 58.0 km (36.0 mi) Origin Timestamp Dec 19, 1973 04:43 AM UTC
M 6.0	Nov 23, 1945 08:50 PM UTC	133 km SSE of Dompu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.7120°, 118.7540° Spatial Relative Telemetry M 6.0 Distance to Epicenter 165 km (103 mi) Direction NNE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Nov 23, 1945 08:50 PM UTC
M 5.9	Oct 4, 2026 10:55 PM UTC	39 km WSW of Tambolaka, Indonesia	46.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.5672°, 118.9078° Spatial Relative Telemetry M 5.9 Distance to Epicenter 185 km (115 mi) Direction NNE Focal Depth 46.0 km (28.6 mi) Origin Timestamp Oct 4, 2026 10:55 PM UTC
M 5.9	Oct 2, 2018 12:16 AM UTC	91 km S of Waingapu, Indonesia	26.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.4747°, 120.1428° Spatial Relative Telemetry M 5.9 Distance to Epicenter 206 km (128 mi) Direction ENE Focal Depth 26.0 km (16.2 mi) Origin Timestamp Oct 2, 2018 12:16 AM UTC
M 5.9	Jul 13, 2009 10:52 AM UTC	63 km SSW of Komodo, Indonesia	65.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.1390°, 119.3200° Spatial Relative Telemetry M 5.9 Distance to Epicenter 246 km (153 mi) Direction NNE Focal Depth 65.0 km (40.4 mi) Origin Timestamp Jul 13, 2009 10:52 AM UTC
M 5.9	Aug 2, 2006 02:45 PM UTC	279 km SSE of Praya, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1670°, 116.8500° Spatial Relative Telemetry M 5.9 Distance to Epicenter 167 km (104 mi) Direction W Focal Depth 15.0 km (9.3 mi) Origin Timestamp Aug 2, 2006 02:45 PM UTC
M 5.9	Jul 24, 2002 03:05 AM UTC	84 km SSE of Dompu, Indonesia	28.8 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.2850°, 118.6160° Spatial Relative Telemetry M 5.9 Distance to Epicenter 209 km (130 mi) Direction N Focal Depth 28.8 km (17.9 mi) Origin Timestamp Jul 24, 2002 03:05 AM UTC
M 5.9	Oct 7, 2000 11:57 AM UTC	103 km WSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9740°, 119.3780° Spatial Relative Telemetry M 5.9 Distance to Epicenter 170 km (106 mi) Direction NE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 7, 2000 11:57 AM UTC
M 5.9	Feb 11, 1997 07:25 PM UTC	82 km W of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.6410°, 119.5100° Spatial Relative Telemetry M 5.9 Distance to Epicenter 208 km (129 mi) Direction NE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Feb 11, 1997 07:25 PM UTC
M 5.9	Oct 18, 1972 09:23 PM UTC	82 km SSE of Waingapu, Indonesia	29.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.3740°, 120.4790° Spatial Relative Telemetry M 5.9 Distance to Epicenter 245 km (152 mi) Direction ENE Focal Depth 29.0 km (18.0 mi) Origin Timestamp Oct 18, 1972 09:23 PM UTC
M 5.9	Nov 2, 1962 02:46 PM UTC	186 km SSE of Sumbawa Besar, Indonesia	25.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1330°, 117.8230° Spatial Relative Telemetry M 5.9 Distance to Epicenter 129 km (80 mi) Direction NNW Focal Depth 25.0 km (15.5 mi) Origin Timestamp Nov 2, 1962 02:46 PM UTC
M 5.8	May 5, 2026 06:44 AM UTC	70 km S of Tambolaka, Indonesia	22.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.0638°, 119.3249° Spatial Relative Telemetry M 5.8 Distance to Epicenter 159 km (99 mi) Direction NE Focal Depth 22.0 km (13.7 mi) Origin Timestamp May 5, 2026 06:44 AM UTC
M 5.8	Apr 29, 2006 04:06 AM UTC	271 km SW of Waingapu, Indonesia	23.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2110°, 118.3490° Spatial Relative Telemetry M 5.8 Distance to Epicenter 7 km (4 mi) Direction SSW Focal Depth 23.0 km (14.3 mi) Origin Timestamp Apr 29, 2006 04:06 AM UTC
M 5.8	Dec 19, 1983 05:28 PM UTC	48 km SSE of Komodo, Indonesia	35.5 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -8.9640°, 119.7280° Spatial Relative Telemetry M 5.8 Distance to Epicenter 284 km (176 mi) Direction NNE Focal Depth 35.5 km (22.1 mi) Origin Timestamp Dec 19, 1983 05:28 PM UTC
M 5.8	Oct 17, 1977 09:09 PM UTC	141 km SSW of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.7330°, 117.1180° Spatial Relative Telemetry M 5.8 Distance to Epicenter 210 km (130 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 17, 1977 09:09 PM UTC
M 5.8	Oct 8, 1977 09:36 PM UTC	158 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9160°, 117.2900° Spatial Relative Telemetry M 5.8 Distance to Epicenter 182 km (113 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 8, 1977 09:36 PM UTC
M 5.8	Oct 8, 1977 05:36 PM UTC	150 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8450°, 117.2620° Spatial Relative Telemetry M 5.8 Distance to Epicenter 190 km (118 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 8, 1977 05:36 PM UTC
M 5.8	Aug 20, 1977 09:21 AM UTC	203 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1080°, 119.1270° Spatial Relative Telemetry M 5.8 Distance to Epicenter 81 km (50 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 09:21 AM UTC
M 5.8	Aug 20, 1977 03:58 AM UTC	192 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9130°, 119.0530° Spatial Relative Telemetry M 5.8 Distance to Epicenter 78 km (48 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 03:58 AM UTC
M 5.8	Aug 20, 1977 09:35 PM UTC	176 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8850°, 119.2290° Spatial Relative Telemetry M 5.8 Distance to Epicenter 97 km (60 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 09:35 PM UTC
M 5.8	Aug 20, 1977 08:20 PM UTC	186 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9260°, 119.1480° Spatial Relative Telemetry M 5.8 Distance to Epicenter 87 km (54 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 08:20 PM UTC
M 5.8	Aug 20, 1977 07:38 PM UTC	176 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8030°, 119.1420° Spatial Relative Telemetry M 5.8 Distance to Epicenter 91 km (57 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 20, 1977 07:38 PM UTC
M 5.8	Aug 19, 1977 01:23 PM UTC	174 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8030°, 119.1740° Spatial Relative Telemetry M 5.8 Distance to Epicenter 95 km (59 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 01:23 PM UTC
M 5.8	May 21, 1975 09:33 PM UTC	128 km S of Bima, Indonesia	62.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.6010°, 118.9220° Spatial Relative Telemetry M 5.8 Distance to Epicenter 182 km (113 mi) Direction NNE Focal Depth 62.0 km (38.5 mi) Origin Timestamp May 21, 1975 09:33 PM UTC
M 5.8	Apr 11, 1973 07:55 PM UTC	106 km W of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.7840°, 119.3030° Spatial Relative Telemetry M 5.8 Distance to Epicenter 182 km (113 mi) Direction NNE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Apr 11, 1973 07:55 PM UTC
M 5.8	Aug 13, 1970 04:22 AM UTC	77 km SW of Dompu, Indonesia	99.1 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -8.9910°, 117.9330° Spatial Relative Telemetry M 5.8 Distance to Epicenter 246 km (153 mi) Direction NNW Focal Depth 99.1 km (61.6 mi) Origin Timestamp Aug 13, 1970 04:22 AM UTC
M 5.8	Jan 10, 1970 11:16 PM UTC	77 km SSW of Sumbawa Besar, Indonesia	66.6 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.1660°, 117.2350° Spatial Relative Telemetry M 5.8 Distance to Epicenter 254 km (158 mi) Direction NNW Focal Depth 66.6 km (41.4 mi) Origin Timestamp Jan 10, 1970 11:16 PM UTC
M 5.8	Feb 9, 1966 07:18 AM UTC	127 km S of Praya, Indonesia	45.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8510°, 116.3760° Spatial Relative Telemetry M 5.8 Distance to Epicenter 263 km (163 mi) Direction WNW Focal Depth 45.0 km (28.0 mi) Origin Timestamp Feb 9, 1966 07:18 AM UTC
M 5.8	Aug 24, 1938 03:43 PM UTC	148 km WSW of Waingapu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9420°, 118.9420° Spatial Relative Telemetry M 5.8 Distance to Epicenter 148 km (92 mi) Direction NNE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Aug 24, 1938 03:43 PM UTC
M 5.7	Oct 6, 1980 05:18 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3770°, 117.5710° Spatial Relative Telemetry M 5.7 Distance to Epicenter 92 km (57 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 6, 1980 05:18 PM UTC
M 5.7	Dec 7, 1977 05:52 PM UTC	279 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2210°, 118.2560° Spatial Relative Telemetry M 5.7 Distance to Epicenter 16 km (10 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Dec 7, 1977 05:52 PM UTC
M 5.7	Oct 30, 1977 01:50 AM UTC	179 km WSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.2130°, 118.7290° Spatial Relative Telemetry M 5.7 Distance to Epicenter 111 km (69 mi) Direction NNE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 30, 1977 01:50 AM UTC
M 5.7	Oct 21, 1977 11:48 AM UTC	212 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.4020°, 117.6670° Spatial Relative Telemetry M 5.7 Distance to Epicenter 115 km (71 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 21, 1977 11:48 AM UTC
M 5.7	Oct 8, 1977 10:47 PM UTC	154 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8930°, 117.3800° Spatial Relative Telemetry M 5.7 Distance to Epicenter 178 km (111 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 8, 1977 10:47 PM UTC
M 5.7	Oct 7, 1977 04:45 AM UTC	163 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9650°, 117.3270° Spatial Relative Telemetry M 5.7 Distance to Epicenter 176 km (109 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 7, 1977 04:45 AM UTC
M 5.7	Sep 5, 1977 11:16 AM UTC	273 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1270°, 118.2560° Spatial Relative Telemetry M 5.7 Distance to Epicenter 14 km (9 mi) Direction WNW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 5, 1977 11:16 AM UTC
M 5.7	Aug 26, 1977 08:26 AM UTC	153 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.6670°, 119.3010° Spatial Relative Telemetry M 5.7 Distance to Epicenter 114 km (71 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 08:26 AM UTC
M 5.7	Aug 23, 1977 10:24 AM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3940°, 117.6640° Spatial Relative Telemetry M 5.7 Distance to Epicenter 83 km (52 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 23, 1977 10:24 AM UTC
M 5.7	Aug 21, 1977 03:36 PM UTC	208 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1860°, 119.1440° Spatial Relative Telemetry M 5.7 Distance to Epicenter 83 km (52 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 21, 1977 03:36 PM UTC
M 5.7	Jan 27, 1975 03:10 PM UTC	103 km WSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9080°, 119.3520° Spatial Relative Telemetry M 5.7 Distance to Epicenter 174 km (108 mi) Direction NE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Jan 27, 1975 03:10 PM UTC
M 5.7	Apr 21, 1970 09:43 PM UTC	63 km SSW of Tambolaka, Indonesia	30.7 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.9940°, 119.1200° Spatial Relative Telemetry M 5.7 Distance to Epicenter 152 km (94 mi) Direction NNE Focal Depth 30.7 km (19.1 mi) Origin Timestamp Apr 21, 1970 09:43 PM UTC
M 5.6	Jul 17, 2025 09:04 AM UTC	76 km S of Tambolaka, Indonesia	24.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1195°, 119.1925° Spatial Relative Telemetry M 5.6 Distance to Epicenter 145 km (90 mi) Direction NE Focal Depth 24.0 km (14.9 mi) Origin Timestamp Jul 17, 2025 09:04 AM UTC
M 5.6	Mar 31, 2025 03:54 PM UTC	67 km SSW of Tambolaka, Indonesia	11.9 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.0069°, 119.0489° Spatial Relative Telemetry M 5.6 Distance to Epicenter 147 km (91 mi) Direction NNE Focal Depth 11.9 km (7.4 mi) Origin Timestamp Mar 31, 2025 03:54 PM UTC
M 5.6	Jan 23, 2019 11:39 AM UTC	163 km WSW of Waingapu, Indonesia	24.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.2981°, 118.9231° Spatial Relative Telemetry M 5.6 Distance to Epicenter 112 km (70 mi) Direction NNE Focal Depth 24.0 km (14.9 mi) Origin Timestamp Jan 23, 2019 11:39 AM UTC
M 5.6	Oct 25, 2009 08:54 PM UTC	154 km SSE of Dompu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8960°, 118.7930° Spatial Relative Telemetry M 5.6 Distance to Epicenter 147 km (91 mi) Direction NNE Focal Depth 35.0 km (21.7 mi) Origin Timestamp Oct 25, 2009 08:54 PM UTC
M 5.6	Mar 1, 1982 05:52 PM UTC	south of Sumbawa, Indonesia	17.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3480°, 117.2600° Spatial Relative Telemetry M 5.6 Distance to Epicenter 125 km (78 mi) Direction W Focal Depth 17.0 km (10.6 mi) Origin Timestamp Mar 1, 1982 05:52 PM UTC
M 5.6	Feb 11, 1982 09:00 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.4710°, 117.9910° Spatial Relative Telemetry M 5.6 Distance to Epicenter 56 km (35 mi) Direction SW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Feb 11, 1982 09:00 PM UTC
M 5.6	Feb 1, 1981 04:35 AM UTC	292 km SSE of Praya, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1390°, 117.3140° Spatial Relative Telemetry M 5.6 Distance to Epicenter 117 km (73 mi) Direction W Focal Depth 33.0 km (20.5 mi) Origin Timestamp Feb 1, 1981 04:35 AM UTC
M 5.6	Jun 21, 1980 06:51 PM UTC	192 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9650°, 119.1030° Spatial Relative Telemetry M 5.6 Distance to Epicenter 81 km (50 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Jun 21, 1980 06:51 PM UTC
M 5.6	Oct 12, 1977 01:22 AM UTC	192 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1650°, 119.3790° Spatial Relative Telemetry M 5.6 Distance to Epicenter 108 km (67 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 12, 1977 01:22 AM UTC
M 5.6	Oct 7, 1977 05:39 AM UTC	177 km S of Sumbawa Besar, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.0810°, 117.6560° Spatial Relative Telemetry M 5.6 Distance to Epicenter 143 km (89 mi) Direction NW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 7, 1977 05:39 AM UTC
M 5.6	Oct 6, 1977 06:51 PM UTC	291 km SSE of Praya, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1910°, 117.1670° Spatial Relative Telemetry M 5.6 Distance to Epicenter 133 km (83 mi) Direction W Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 6, 1977 06:51 PM UTC
M 5.6	Sep 26, 1977 06:31 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2980°, 117.2450° Spatial Relative Telemetry M 5.6 Distance to Epicenter 125 km (78 mi) Direction W Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 26, 1977 06:31 PM UTC
M 5.6	Sep 1, 1977 01:13 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.7390°, 117.4670° Spatial Relative Telemetry M 5.6 Distance to Epicenter 119 km (74 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 1, 1977 01:13 PM UTC
M 5.6	Aug 24, 1977 09:42 AM UTC	295 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2980°, 118.1370° Spatial Relative Telemetry M 5.6 Distance to Epicenter 31 km (19 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 24, 1977 09:42 AM UTC
M 5.6	Aug 22, 1977 08:29 PM UTC	175 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8580°, 119.2210° Spatial Relative Telemetry M 5.6 Distance to Epicenter 97 km (60 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 22, 1977 08:29 PM UTC
M 5.6	Aug 19, 1977 11:33 AM UTC	225 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0180°, 118.7280° Spatial Relative Telemetry M 5.6 Distance to Epicenter 40 km (25 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 11:33 AM UTC
M 5.6	Oct 15, 1975 10:56 AM UTC	254 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.6390°, 119.0870° Spatial Relative Telemetry M 5.6 Distance to Epicenter 94 km (58 mi) Direction SE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 15, 1975 10:56 AM UTC
M 5.5	Dec 1, 2002 02:37 PM UTC	279 km S of Taliwang, Indonesia	19.2 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2380°, 117.2600° Spatial Relative Telemetry M 5.5 Distance to Epicenter 123 km (76 mi) Direction W Focal Depth 19.2 km (11.9 mi) Origin Timestamp Dec 1, 2002 02:37 PM UTC
M 5.5	Mar 6, 1990 01:30 PM UTC	293 km S of Sumbawa Besar, Indonesia	21.9 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1470°, 117.4400° Spatial Relative Telemetry M 5.5 Distance to Epicenter 103 km (64 mi) Direction W Focal Depth 21.9 km (13.6 mi) Origin Timestamp Mar 6, 1990 01:30 PM UTC
M 5.5	Apr 23, 1983 09:20 AM UTC	225 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2060°, 118.9200° Spatial Relative Telemetry M 5.5 Distance to Epicenter 59 km (37 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Apr 23, 1983 09:20 AM UTC
M 5.5	Mar 11, 1978 11:54 AM UTC	183 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8580°, 119.1110° Spatial Relative Telemetry M 5.5 Distance to Epicenter 86 km (53 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Mar 11, 1978 11:54 AM UTC
M 5.5	Mar 11, 1978 06:01 PM UTC	209 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1360°, 119.0750° Spatial Relative Telemetry M 5.5 Distance to Epicenter 75 km (47 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Mar 11, 1978 06:01 PM UTC
M 5.5	Oct 7, 1977 02:38 PM UTC	204 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2650°, 119.3460° Spatial Relative Telemetry M 5.5 Distance to Epicenter 106 km (66 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 7, 1977 02:38 PM UTC
M 5.5	Oct 6, 1977 06:04 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.4830°, 117.3830° Spatial Relative Telemetry M 5.5 Distance to Epicenter 115 km (71 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Oct 6, 1977 06:04 PM UTC
M 5.5	Sep 29, 1977 05:49 PM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3360°, 118.0210° Spatial Relative Telemetry M 5.5 Distance to Epicenter 45 km (28 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 29, 1977 05:49 PM UTC
M 5.5	Sep 16, 1977 06:30 AM UTC	south of Sumbawa, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3090°, 118.0530° Spatial Relative Telemetry M 5.5 Distance to Epicenter 40 km (25 mi) Direction WSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 16, 1977 06:30 AM UTC
M 5.5	Sep 9, 1977 05:34 AM UTC	199 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2230°, 119.3560° Spatial Relative Telemetry M 5.5 Distance to Epicenter 106 km (66 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 9, 1977 05:34 AM UTC
M 5.5	Sep 7, 1977 01:19 AM UTC	180 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1020°, 119.5080° Spatial Relative Telemetry M 5.5 Distance to Epicenter 123 km (76 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 7, 1977 01:19 AM UTC
M 5.5	Aug 31, 1977 09:10 PM UTC	192 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9760°, 119.1230° Spatial Relative Telemetry M 5.5 Distance to Epicenter 83 km (52 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 31, 1977 09:10 PM UTC
M 5.5	Aug 26, 1977 11:11 PM UTC	168 km S of Dompu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.0570°, 118.3550° Spatial Relative Telemetry M 5.5 Distance to Epicenter 122 km (76 mi) Direction N Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 11:11 PM UTC
M 5.5	Aug 26, 1977 09:40 PM UTC	166 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8080°, 119.2840° Spatial Relative Telemetry M 5.5 Distance to Epicenter 105 km (65 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 09:40 PM UTC
M 5.5	Aug 22, 1977 08:37 PM UTC	171 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.7340°, 119.1420° Spatial Relative Telemetry M 5.5 Distance to Epicenter 95 km (59 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 22, 1977 08:37 PM UTC
M 5.5	Aug 19, 1977 07:10 AM UTC	195 km SW of Waingapu, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0010°, 119.1100° Spatial Relative Telemetry M 5.5 Distance to Epicenter 81 km (50 mi) Direction ENE Focal Depth 15.0 km (9.3 mi) Origin Timestamp Aug 19, 1977 07:10 AM UTC
M 5.5	May 10, 1930 11:45 PM UTC	158 km SSW of Dompu, Indonesia	35.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -9.8770°, 117.9450° Spatial Relative Telemetry M 5.5 Distance to Epicenter 150 km (93 mi) Direction NNW Focal Depth 35.0 km (21.7 mi) Origin Timestamp May 10, 1930 11:45 PM UTC
M 5.4	Oct 5, 1978 03:56 PM UTC	163 km WSW of Waingapu, Indonesia	43.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1430°, 118.8540° Spatial Relative Telemetry M 5.4 Distance to Epicenter 124 km (77 mi) Direction NNE Focal Depth 43.0 km (26.7 mi) Origin Timestamp Oct 5, 1978 03:56 PM UTC
M 5.4	Oct 2, 1977 08:02 PM UTC	187 km S of Sumbawa Besar, Indonesia	19.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1860°, 117.4970° Spatial Relative Telemetry M 5.4 Distance to Epicenter 145 km (90 mi) Direction NW Focal Depth 19.0 km (11.8 mi) Origin Timestamp Oct 2, 1977 08:02 PM UTC
M 5.4	Sep 29, 1977 02:16 AM UTC	291 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.4250°, 118.2950° Spatial Relative Telemetry M 5.4 Distance to Epicenter 32 km (20 mi) Direction SSW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 29, 1977 02:16 AM UTC
M 5.4	Sep 13, 1977 01:30 PM UTC	202 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.2540°, 119.3640° Spatial Relative Telemetry M 5.4 Distance to Epicenter 107 km (66 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Sep 13, 1977 01:30 PM UTC
M 5.4	Aug 26, 1977 07:08 PM UTC	178 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8900°, 119.2150° Spatial Relative Telemetry M 5.4 Distance to Epicenter 95 km (59 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 26, 1977 07:08 PM UTC
M 5.4	Aug 24, 1977 02:08 AM UTC	191 km SSW of Dompu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.1960°, 117.9600° Spatial Relative Telemetry M 5.4 Distance to Epicenter 116 km (72 mi) Direction NNW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 24, 1977 02:08 AM UTC
M 5.4	Aug 24, 1977 11:06 PM UTC	290 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.3340°, 118.2240° Spatial Relative Telemetry M 5.4 Distance to Epicenter 27 km (17 mi) Direction SW Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 24, 1977 11:06 PM UTC
M 5.4	Aug 23, 1977 03:42 PM UTC	171 km SSW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9840°, 119.4550° Spatial Relative Telemetry M 5.4 Distance to Epicenter 118 km (73 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 23, 1977 03:42 PM UTC
M 5.4	Aug 21, 1977 06:50 AM UTC	228 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.1560°, 118.8280° Spatial Relative Telemetry M 5.4 Distance to Epicenter 48 km (30 mi) Direction E Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 21, 1977 06:50 AM UTC
M 5.4	Aug 21, 1977 02:21 AM UTC	193 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.9470°, 119.0670° Spatial Relative Telemetry M 5.4 Distance to Epicenter 78 km (48 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 21, 1977 02:21 AM UTC
M 5.4	Aug 19, 1977 02:22 PM UTC	160 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.7490°, 119.2940° Spatial Relative Telemetry M 5.4 Distance to Epicenter 109 km (68 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 02:22 PM UTC
M 5.4	Aug 19, 1977 10:50 AM UTC	173 km SW of Waingapu, Indonesia	33.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -10.8440°, 119.2320° Spatial Relative Telemetry M 5.4 Distance to Epicenter 99 km (62 mi) Direction ENE Focal Depth 33.0 km (20.5 mi) Origin Timestamp Aug 19, 1977 10:50 AM UTC
M 5.4	Aug 18, 1972 05:29 PM UTC	257 km S of Taliwang, Indonesia	15.0 km
🔴 Mainshock  ·  🔵 Past Quake  ·  ┄ Vector -11.0390°, 117.2650° Spatial Relative Telemetry M 5.4 Distance to Epicenter 123 km (76 mi) Direction W Focal Depth 15.0 km (9.3 mi) Origin Timestamp Aug 18, 1972 05:29 PM UTC

Seismic Origin Parameters

Event ID	iscgem694739
Magnitude	8.3 MW
Origin Time (UTC)	Fri, 19 Aug 1977 06:08:54 GMT
Latitude	-11.1540°
Longitude	118.3850°
Hypocenter Depth	15.9 km
Review Status	REVIEWED
Significance Index	1060 / 1000

Ground Motion & Felt Intensity

Max MMI Intensity	5.4 (V)
Perceived Shaking	Moderate
Peak Ground Accel (PGA)	0.075 g
Peak Ground Vel (PGV)	2.6 cm/s
PSA (0.3 s)	0.207 g
PSA (1.0 s)	0.138 g
DYFI Felt Reports	None reported
Community CDI	N/A

Seismic Network & Solution Quality

STATIONS USED

N/A

PHASES USED

N/A

AZIMUTHAL GAP

N/A

DEPTH ERROR

N/A

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Data provided by the U.S. Geological Survey (USGS) Earthquake Hazards Program.

Official USGS Event Page (iscgem694739)