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Sequence · 2008-03-03

M 6.5 · Observed seismic cluster · Kuril Islands

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 cluster14
M6+1
Analysis radius260 km
Observation window14 days
Largest secondary eventM 5.4
Quake Pulse

Sequence timeline

Within first 24 hours6
Within first 7 days10
Observed duration13.1 d
Gap from reference eventM 1.1
0 h13.1 d
Quake Pulse

Main-event impact

Shallow

38/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.5Kuril Islands10.0 km2008-03-03 09:31:02 UTCView event →
M 5.2Kuril Islands42.6 km2008-03-03 10:09:41 UTCView event →
M 4.8Kuril Islands10.0 km2008-03-03 10:25:18 UTCView event →
M 5.3Kuril Islands10.0 km2008-03-03 11:22:35 UTCView event →
M 4.9Kuril Islands35.0 km2008-03-04 01:34:40 UTCView event →
M 4.6Kuril Islands35.5 km2008-03-04 08:24:18 UTCView event →
M 4.9Kuril Islands39.9 km2008-03-08 10:28:59 UTCView event →
M 4.9Kuril Islands43.8 km2008-03-08 11:06:49 UTCView event →
M 5.1Kuril Islands103.7 km2008-03-10 04:57:56 UTCView event →
M 4.6298 km SW of Severo-Kuril’sk, Russia35.0 km2008-03-10 08:26:14 UTCView event →
M 4.6Kuril Islands15.3 km2008-03-12 17:04:12 UTCView event →
M 5.4Kuril Islands26.4 km2008-03-14 10:45:32 UTCView event →
M 4.5Kuril Islands35.0 km2008-03-14 15:03:08 UTCView event →
M 4.7Kuril Islands43.3 km2008-03-16 11:10:54 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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