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Sequence · 2005-05-19

M 6.9 · Observed seismic cluster · 89 km WSW of Singkil, Indonesia

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions.

M4.5+ events in cluster48
M6+1
Analysis radius324 km
Observation window14 days
Largest secondary eventM 5.1
Quake Pulse

Sequence timeline

Within first 24 hours7
Within first 7 days25
Observed duration13.7 d
Gap from reference eventM 1.8
0 h13.7 d
Quake Pulse

Main-event impact

17 Felt reports · Shallow

57/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.989 km WSW of Singkil, Indonesia30.0 km2005-05-19 01:54:52 UTCView event →
M 4.662 km ESE of Sinabang, Indonesia30.0 km2005-05-19 02:15:27 UTCView event →
M 4.995 km SE of Sinabang, Indonesia30.0 km2005-05-19 02:17:14 UTCView event →
M 4.5134 km SSW of Singkil, Indonesia30.0 km2005-05-19 07:01:01 UTCView event →
M 4.6162 km SSW of Singkil, Indonesia26.2 km2005-05-19 07:10:41 UTCView event →
M 4.9217 km SSW of Singkil, Indonesia22.9 km2005-05-19 20:44:08 UTCView event →
M 4.8217 km SSW of Singkil, Indonesia30.0 km2005-05-19 20:59:40 UTCView event →
M 4.839 km SSE of Singkil, Indonesia30.0 km2005-05-21 04:29:03 UTCView event →
M 5.0119 km SW of Singkil, Indonesia30.0 km2005-05-21 09:43:46 UTCView event →
M 5.0138 km SSW of Singkil, Indonesia23.0 km2005-05-21 23:07:55 UTCView event →
M 5.1133 km SW of Singkil, Indonesia24.4 km2005-05-21 23:09:06 UTCView event →
M 4.8222 km SW of Sibolga, Indonesia28.6 km2005-05-22 01:25:11 UTCView event →
M 4.7212 km SW of Sibolga, Indonesia28.4 km2005-05-22 01:37:06 UTCView event →
M 4.572 km W of Sinabang, Indonesia30.0 km2005-05-22 05:54:11 UTCView event →
M 4.5150 km SSW of Singkil, Indonesia30.0 km2005-05-22 12:41:05 UTCView event →
M 4.9168 km SSW of Singkil, Indonesia23.6 km2005-05-23 05:48:16 UTCView event →
M 4.5217 km SSW of Singkil, Indonesia30.0 km2005-05-23 23:37:37 UTCView event →
M 4.5160 km SSW of Singkil, Indonesia30.0 km2005-05-24 04:47:51 UTCView event →
M 4.5154 km SSW of Singkil, Indonesia30.0 km2005-05-24 07:04:04 UTCView event →
M 5.1207 km W of Sinabang, Indonesia30.0 km2005-05-24 09:37:56 UTCView event →
M 4.8144 km SSW of Singkil, Indonesia23.1 km2005-05-24 11:38:32 UTCView event →
M 4.524 km SW of Sinabang, Indonesia30.0 km2005-05-24 14:32:53 UTCView event →
M 5.198 km WNW of Sinabang, Indonesia24.7 km2005-05-25 14:42:14 UTCView event →
M 4.895 km WNW of Sinabang, Indonesia30.0 km2005-05-25 14:43:29 UTCView event →
M 4.9123 km SSW of Singkil, Indonesia25.0 km2005-05-25 18:47:33 UTCView event →
M 4.5220 km SSW of Singkil, Indonesia30.0 km2005-05-26 09:59:35 UTCView event →
M 4.577 km W of Singkil, Indonesia30.0 km2005-05-26 10:36:29 UTCView event →
M 4.6162 km SSW of Singkil, Indonesia30.0 km2005-05-27 00:30:46 UTCView event →
M 4.6145 km SSW of Singkil, Indonesia22.7 km2005-05-27 05:27:46 UTCView event →
M 4.958 km SE of Sinabang, Indonesia24.1 km2005-05-28 06:23:31 UTCView event →
M 4.662 km SSE of Sinabang, Indonesia39.1 km2005-05-28 07:10:55 UTCView event →
M 4.8141 km SW of Padangsidempuan, Indonesia30.0 km2005-05-28 16:03:37 UTCView event →
M 4.851 km W of Sinabang, Indonesia23.2 km2005-05-29 12:42:33 UTCView event →
M 4.6Nias region, Indonesia30.0 km2005-05-29 17:16:31 UTCView event →
M 4.6170 km SSW of Sibolga, Indonesia30.0 km2005-05-29 18:16:46 UTCView event →
M 4.8146 km SSW of Singkil, Indonesia23.1 km2005-05-29 21:45:59 UTCView event →
M 4.6155 km SSW of Singkil, Indonesia22.1 km2005-05-29 22:22:04 UTCView event →
M 4.7110 km WSW of Meulaboh, Indonesia30.0 km2005-05-29 23:37:57 UTCView event →
M 4.6148 km SSW of Singkil, Indonesia30.0 km2005-05-30 09:02:35 UTCView event →
M 4.969 km W of Singkil, Indonesia30.0 km2005-05-30 13:34:18 UTCView event →
M 4.6135 km SSW of Singkil, Indonesia30.0 km2005-05-30 19:06:23 UTCView event →
M 4.954 km WNW of Sinabang, Indonesia23.8 km2005-05-30 19:23:10 UTCView event →
M 5.0197 km S of Sinabang, Indonesia34.1 km2005-05-31 00:01:37 UTCView event →
M 4.6197 km SW of Padangsidempuan, Indonesia29.3 km2005-05-31 03:57:32 UTCView event →
M 4.5152 km SSW of Singkil, Indonesia30.0 km2005-05-31 09:56:29 UTCView event →
M 4.5207 km SW of Sibolga, Indonesia28.5 km2005-06-01 02:18:25 UTCView event →
M 4.544 km SW of Meulaboh, Indonesia30.0 km2005-06-01 16:37:20 UTCView event →
M 4.530 km SW of Sinabang, Indonesia30.0 km2005-06-01 19:13:41 UTCView event →

Interpretation

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions. Historical small-earthquake detection varies through time. Long-term comparisons are most robust at higher magnitude thresholds.

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