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Sequence · 2010-08-13

M 6.9 · Observed seismic cluster · Mariana Islands region

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 cluster70
M6+4
Analysis radius324 km
Observation window14 days
Largest secondary eventM 6.6
Quake Pulse

Sequence timeline

Within first 24 hours41
Within first 7 days68
Observed duration9.2 d
Gap from reference eventM 0.3
0 h9.2 d
Quake Pulse

Main-event impact

9 Felt reports · Shallow

50/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.9Mariana Islands region16.0 km2010-08-13 21:19:34 UTCView event →
M 4.7290 km WSW of Merizo Village, Guam10.0 km2010-08-13 21:26:45 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-13 21:29:18 UTCView event →
M 4.6Mariana Islands region10.0 km2010-08-13 21:49:16 UTCView event →
M 4.6299 km WSW of Merizo Village, Guam10.0 km2010-08-13 21:50:32 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-13 22:08:41 UTCView event →
M 4.6294 km NNE of Fais, Micronesia10.0 km2010-08-14 03:16:43 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-14 06:14:16 UTCView event →
M 4.6Mariana Islands region10.0 km2010-08-14 06:17:46 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-14 06:19:04 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 06:27:02 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 06:28:29 UTCView event →
M 6.2Mariana Islands region10.0 km2010-08-14 07:30:16 UTCView event →
M 5.7Mariana Islands region10.0 km2010-08-14 07:31:01 UTCView event →
M 5.2Mariana Islands region10.0 km2010-08-14 07:35:28 UTCView event →
M 4.9Mariana Islands region10.0 km2010-08-14 07:40:58 UTCView event →
M 5.0Mariana Islands region10.0 km2010-08-14 07:42:38 UTCView event →
M 4.7Mariana Islands region10.5 km2010-08-14 07:44:03 UTCView event →
M 5.0Mariana Islands region10.0 km2010-08-14 07:44:52 UTCView event →
M 5.1Mariana Islands region10.0 km2010-08-14 07:48:59 UTCView event →
M 4.9Mariana Islands region10.0 km2010-08-14 07:49:58 UTCView event →
M 5.0Mariana Islands region10.0 km2010-08-14 08:20:57 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 08:31:44 UTCView event →
M 4.6295 km NNE of Fais, Micronesia10.0 km2010-08-14 09:52:08 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-14 10:26:43 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-14 11:11:12 UTCView event →
M 4.9297 km NNE of Fais, Micronesia10.0 km2010-08-14 14:36:42 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 14:40:26 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 14:43:22 UTCView event →
M 5.6299 km NNE of Fais, Micronesia10.0 km2010-08-14 14:44:32 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-14 14:48:40 UTCView event →
M 4.9Mariana Islands region10.0 km2010-08-14 14:51:26 UTCView event →
M 4.8297 km NNE of Fais, Micronesia10.0 km2010-08-14 14:53:36 UTCView event →
M 4.8299 km NNE of Fais, Micronesia10.0 km2010-08-14 15:24:04 UTCView event →
M 5.0Mariana Islands region10.0 km2010-08-14 16:12:40 UTCView event →
M 5.6Mariana Islands region10.0 km2010-08-14 16:35:43 UTCView event →
M 5.0Mariana Islands region10.0 km2010-08-14 17:26:34 UTCView event →
M 4.7Mariana Islands region15.5 km2010-08-14 17:44:03 UTCView event →
M 4.9Mariana Islands region10.0 km2010-08-14 18:39:16 UTCView event →
M 4.6Mariana Islands region10.0 km2010-08-14 19:14:24 UTCView event →
M 5.1293 km NNE of Fais, Micronesia10.0 km2010-08-14 21:01:26 UTCView event →
M 6.6294 km NNE of Fais, Micronesia13.0 km2010-08-14 23:01:04 UTCView event →
M 4.8Mariana Islands region10.0 km2010-08-14 23:14:33 UTCView event →
M 5.0293 km NNE of Fais, Micronesia10.0 km2010-08-14 23:27:31 UTCView event →
M 4.9298 km NNE of Fais, Micronesia19.0 km2010-08-14 23:37:15 UTCView event →
M 5.0295 km NNE of Fais, Micronesia10.0 km2010-08-14 23:50:41 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-15 02:07:49 UTCView event →
M 5.2284 km NNE of Fais, Micronesia10.0 km2010-08-15 04:00:57 UTCView event →
M 5.0294 km NNE of Fais, Micronesia10.0 km2010-08-15 04:07:34 UTCView event →
M 4.6293 km NNE of Fais, Micronesia10.0 km2010-08-15 04:26:48 UTCView event →
M 5.1296 km NNE of Fais, Micronesia10.0 km2010-08-15 06:13:28 UTCView event →
M 5.1292 km NNE of Fais, Micronesia10.0 km2010-08-15 08:46:55 UTCView event →
M 4.7291 km NNE of Fais, Micronesia10.0 km2010-08-15 11:59:37 UTCView event →
M 5.1288 km NNE of Fais, Micronesia10.0 km2010-08-15 12:55:02 UTCView event →
M 4.9295 km NNE of Fais, Micronesia10.0 km2010-08-15 13:07:43 UTCView event →
M 4.6292 km NNE of Fais, Micronesia10.0 km2010-08-15 14:18:56 UTCView event →
M 4.6Mariana Islands region10.0 km2010-08-15 15:32:09 UTCView event →
M 4.8292 km NNE of Fais, Micronesia10.0 km2010-08-15 15:33:05 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-15 16:15:57 UTCView event →
M 4.9274 km NE of Fais, Micronesia36.9 km2010-08-15 21:18:44 UTCView event →
M 4.9Mariana Islands region10.0 km2010-08-16 21:42:28 UTCView event →
M 4.8Mariana Islands region10.0 km2010-08-16 21:48:50 UTCView event →
M 4.5296 km NNE of Fais, Micronesia10.0 km2010-08-16 22:04:50 UTCView event →
M 6.3293 km NNE of Fais, Micronesia10.0 km2010-08-18 16:28:15 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-18 17:33:21 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-19 05:40:51 UTCView event →
M 4.7Mariana Islands region10.0 km2010-08-19 13:41:32 UTCView event →
M 4.5Mariana Islands region10.0 km2010-08-19 13:43:33 UTCView event →
M 4.5290 km NNE of Fais, Micronesia10.0 km2010-08-22 08:12:59 UTCView event →
M 5.5130 km WSW of Merizo Village, Guam116.0 km2010-08-23 01:08:08 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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