Quake Pulse logoQuake Pulse
Sequence · 2006-05-16

M 6.8 · Observed seismic cluster · 256 km SSW 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 cluster29
M6+1
Analysis radius308 km
Observation window14 days
Largest secondary eventM 5.3
Quake Pulse

Sequence timeline

Within first 24 hours14
Within first 7 days26
Observed duration13.7 d
Gap from reference eventM 1.5
0 h13.7 d
Quake Pulse

Main-event impact

19 Felt reports · Shallow

54/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.8256 km SSW of Singkil, Indonesia12.0 km2006-05-16 15:28:25 UTCView event →
M 4.7236 km SW of Sibolga, Indonesia30.0 km2006-05-16 16:01:11 UTCView event →
M 5.1266 km SSW of Singkil, Indonesia28.8 km2006-05-16 16:10:28 UTCView event →
M 5.3250 km SSW of Singkil, Indonesia33.0 km2006-05-16 16:19:42 UTCView event →
M 4.7251 km SSW of Singkil, Indonesia32.9 km2006-05-16 17:00:16 UTCView event →
M 4.5274 km SW of Sibolga, Indonesia25.0 km2006-05-16 18:26:17 UTCView event →
M 4.7238 km SSW of Singkil, Indonesia30.0 km2006-05-16 20:33:01 UTCView event →
M 4.6251 km SSW of Singkil, Indonesia30.0 km2006-05-16 21:06:56 UTCView event →
M 4.9248 km SSW of Singkil, Indonesia31.9 km2006-05-16 21:12:22 UTCView event →
M 4.7245 km SSW of Singkil, Indonesia36.3 km2006-05-17 00:06:36 UTCView event →
M 4.8250 km SSW of Singkil, Indonesia30.0 km2006-05-17 06:57:15 UTCView event →
M 4.8183 km WNW of Pariaman, Indonesia47.4 km2006-05-17 07:23:43 UTCView event →
M 4.8282 km SSW of Singkil, Indonesia28.4 km2006-05-17 08:30:35 UTCView event →
M 4.742 km SSW of Sinabang, Indonesia30.0 km2006-05-17 11:34:11 UTCView event →
M 4.6Nias region, Indonesia30.0 km2006-05-17 17:06:47 UTCView event →
M 4.8260 km SSW of Singkil, Indonesia30.0 km2006-05-18 01:01:46 UTCView event →
M 4.8147 km SSW of Singkil, Indonesia30.0 km2006-05-18 04:02:36 UTCView event →
M 4.7250 km SSW of Singkil, Indonesia15.4 km2006-05-18 17:35:47 UTCView event →
M 4.6260 km SSW of Singkil, Indonesia29.3 km2006-05-19 01:41:45 UTCView event →
M 4.9144 km SSW of Singkil, Indonesia19.6 km2006-05-19 06:34:14 UTCView event →
M 4.6162 km SSW of Singkil, Indonesia30.0 km2006-05-19 14:43:38 UTCView event →
M 4.70 km ENE of Sibolga, Indonesia117.6 km2006-05-19 17:41:53 UTCView event →
M 4.7245 km SSW of Singkil, Indonesia31.1 km2006-05-21 14:47:17 UTCView event →
M 4.8134 km SW of Singkil, Indonesia30.0 km2006-05-22 12:51:34 UTCView event →
M 4.7264 km S of Sinabang, Indonesia30.0 km2006-05-23 12:01:25 UTCView event →
M 4.8264 km SSW of Singkil, Indonesia25.7 km2006-05-23 13:32:06 UTCView event →
M 4.6260 km SSW of Singkil, Indonesia34.5 km2006-05-24 05:41:54 UTCView event →
M 4.5262 km SSW of Singkil, Indonesia30.5 km2006-05-30 08:15:52 UTCView event →
M 4.8263 km SSW of Singkil, Indonesia30.3 km2006-05-30 08:37:00 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.

Blog

Latest from the blog

Guides, explainers and practical reading to go beyond the live data.

View all articles →