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Sequence · 2008-09-29

M 7.0 · Observed seismic cluster · Kermadec Islands, New Zealand

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 cluster38
M6+2
Analysis radius340 km
Observation window14 days
Largest secondary eventM 6.1
Quake Pulse

Sequence timeline

Within first 24 hours11
Within first 7 days32
Observed duration13.0 d
Gap from reference eventM 0.9
0 h13.0 d
Quake Pulse

Main-event impact

Shallow

47/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.0Kermadec Islands, New Zealand36.0 km2008-09-29 15:19:31 UTCView event →
M 4.5Kermadec Islands, New Zealand35.0 km2008-09-29 15:41:45 UTCView event →
M 5.3Kermadec Islands, New Zealand35.0 km2008-09-29 16:10:38 UTCView event →
M 4.6Kermadec Islands, New Zealand35.0 km2008-09-29 18:02:06 UTCView event →
M 4.9Kermadec Islands, New Zealand35.0 km2008-09-29 19:37:41 UTCView event →
M 5.0Kermadec Islands, New Zealand36.1 km2008-09-29 19:49:06 UTCView event →
M 5.0Kermadec Islands, New Zealand35.0 km2008-09-29 20:58:11 UTCView event →
M 4.5Kermadec Islands, New Zealand35.0 km2008-09-30 01:37:13 UTCView event →
M 4.7Kermadec Islands, New Zealand35.0 km2008-09-30 06:55:22 UTCView event →
M 4.6Kermadec Islands, New Zealand54.4 km2008-09-30 08:09:47 UTCView event →
M 4.6Kermadec Islands region35.0 km2008-09-30 12:02:34 UTCView event →
M 5.0Kermadec Islands, New Zealand17.2 km2008-10-01 03:03:24 UTCView event →
M 5.4Kermadec Islands, New Zealand92.8 km2008-10-02 13:03:08 UTCView event →
M 4.8Kermadec Islands, New Zealand35.0 km2008-10-02 16:46:55 UTCView event →
M 4.5Kermadec Islands, New Zealand46.2 km2008-10-02 21:34:59 UTCView event →
M 4.5Kermadec Islands, New Zealand13.2 km2008-10-03 00:13:22 UTCView event →
M 4.7Kermadec Islands region40.4 km2008-10-03 20:07:48 UTCView event →
M 4.5Kermadec Islands region25.3 km2008-10-03 20:17:43 UTCView event →
M 4.7Kermadec Islands region51.4 km2008-10-03 20:57:47 UTCView event →
M 5.1Kermadec Islands, New Zealand39.3 km2008-10-04 00:03:49 UTCView event →
M 5.3Kermadec Islands, New Zealand36.6 km2008-10-04 14:50:30 UTCView event →
M 4.8Kermadec Islands region7.0 km2008-10-04 17:50:29 UTCView event →
M 6.1Kermadec Islands, New Zealand10.0 km2008-10-05 09:12:36 UTCView event →
M 4.5Kermadec Islands region35.0 km2008-10-05 09:29:19 UTCView event →
M 4.5Kermadec Islands region35.0 km2008-10-05 10:12:44 UTCView event →
M 5.4Kermadec Islands region35.0 km2008-10-05 10:44:59 UTCView event →
M 4.7Kermadec Islands region35.0 km2008-10-05 14:08:30 UTCView event →
M 5.2Kermadec Islands region35.0 km2008-10-05 14:09:49 UTCView event →
M 4.5Kermadec Islands region35.0 km2008-10-05 15:08:35 UTCView event →
M 4.5Kermadec Islands, New Zealand35.0 km2008-10-05 15:22:01 UTCView event →
M 4.9Kermadec Islands, New Zealand35.0 km2008-10-06 01:42:33 UTCView event →
M 5.1Kermadec Islands region39.4 km2008-10-06 02:01:05 UTCView event →
M 4.7Kermadec Islands, New Zealand43.6 km2008-10-06 15:44:23 UTCView event →
M 4.5Kermadec Islands region35.0 km2008-10-07 11:19:33 UTCView event →
M 4.7Kermadec Islands region47.2 km2008-10-10 09:51:10 UTCView event →
M 4.6Kermadec Islands, New Zealand52.2 km2008-10-11 10:41:48 UTCView event →
M 5.5Kermadec Islands region35.0 km2008-10-11 12:23:29 UTCView event →
M 4.6Kermadec Islands region55.8 km2008-10-12 14:45:21 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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