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Sequence · 2000-07-30

M 6.5 · Observed seismic cluster · 94 km SSE of Shimoda, Japan

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 cluster56
M6+1
Analysis radius260 km
Observation window14 days
Largest secondary eventM 5.5
Quake Pulse

Sequence timeline

Within first 24 hours6
Within first 7 days53
Observed duration10.7 d
Gap from reference eventM 1.0
0 h10.7 d
Quake Pulse

Main-event impact

Shallow

45/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.594 km SSE of Shimoda, Japan10.0 km2000-07-30 12:25:45 UTCView event →
M 5.585 km SSE of Shimoda, Japan10.0 km2000-07-30 12:48:55 UTCView event →
M 4.8117 km SSE of Shimoda, Japan10.0 km2000-07-30 12:51:26 UTCView event →
M 4.781 km SSE of Shimoda, Japan10.0 km2000-07-30 13:14:00 UTCView event →
M 5.067 km SSE of Shimoda, Japan10.0 km2000-07-30 13:16:08 UTCView event →
M 4.553 km S of Shimoda, Japan10.0 km2000-07-30 23:53:22 UTCView event →
M 4.629 km SE of Shimoda, Japan10.0 km2000-08-01 21:18:28 UTCView event →
M 5.357 km SSE of Shimoda, Japan10.0 km2000-08-02 10:23:46 UTCView event →
M 4.846 km SSE of Shimoda, Japan10.0 km2000-08-02 10:43:55 UTCView event →
M 4.873 km SSE of Shimoda, Japan10.0 km2000-08-02 21:14:30 UTCView event →
M 5.363 km SSE of Shimoda, Japan10.0 km2000-08-02 21:42:27 UTCView event →
M 4.556 km SSE of Shimoda, Japan10.0 km2000-08-02 22:28:30 UTCView event →
M 4.570 km SSE of Shimoda, Japan10.0 km2000-08-03 07:21:52 UTCView event →
M 4.572 km SSE of Shimoda, Japan10.0 km2000-08-03 07:48:40 UTCView event →
M 4.683 km SSE of Shimoda, Japan10.0 km2000-08-03 07:53:48 UTCView event →
M 5.363 km SSE of Shimoda, Japan10.0 km2000-08-03 07:55:20 UTCView event →
M 4.688 km SSE of Shimoda, Japan10.0 km2000-08-03 07:59:16 UTCView event →
M 4.956 km SSE of Shimoda, Japan10.0 km2000-08-03 08:00:18 UTCView event →
M 4.868 km SSE of Shimoda, Japan10.0 km2000-08-03 08:23:57 UTCView event →
M 4.872 km SSE of Shimoda, Japan10.0 km2000-08-03 08:33:11 UTCView event →
M 4.968 km SSE of Shimoda, Japan10.0 km2000-08-03 09:04:44 UTCView event →
M 4.671 km SSE of Shimoda, Japan10.0 km2000-08-03 09:19:03 UTCView event →
M 4.564 km SSE of Shimoda, Japan10.0 km2000-08-03 09:47:36 UTCView event →
M 4.669 km SSE of Shimoda, Japan10.0 km2000-08-03 09:58:55 UTCView event →
M 4.657 km SSE of Shimoda, Japan10.0 km2000-08-03 10:07:46 UTCView event →
M 4.577 km SSE of Shimoda, Japan10.0 km2000-08-03 10:09:06 UTCView event →
M 4.766 km SSE of Shimoda, Japan10.0 km2000-08-03 10:11:42 UTCView event →
M 4.651 km SSE of Shimoda, Japan10.0 km2000-08-03 10:23:53 UTCView event →
M 4.679 km SSE of Shimoda, Japan10.0 km2000-08-03 10:42:20 UTCView event →
M 4.780 km SSE of Shimoda, Japan10.0 km2000-08-03 10:53:10 UTCView event →
M 5.166 km SSE of Shimoda, Japan10.0 km2000-08-03 11:27:04 UTCView event →
M 4.562 km SSE of Shimoda, Japan10.0 km2000-08-03 11:32:20 UTCView event →
M 4.855 km SSE of Shimoda, Japan10.0 km2000-08-03 11:39:42 UTCView event →
M 4.970 km SSE of Shimoda, Japan10.0 km2000-08-03 11:46:04 UTCView event →
M 4.653 km SSE of Shimoda, Japan10.0 km2000-08-03 12:06:34 UTCView event →
M 4.642 km SE of Shimoda, Japan10.0 km2000-08-03 12:07:24 UTCView event →
M 4.676 km SSE of Shimoda, Japan10.0 km2000-08-03 12:09:55 UTCView event →
M 5.459 km SSE of Shimoda, Japan10.0 km2000-08-03 12:13:10 UTCView event →
M 4.854 km SSE of Shimoda, Japan10.0 km2000-08-03 12:17:19 UTCView event →
M 4.892 km SSE of Shimoda, Japan10.0 km2000-08-03 12:18:24 UTCView event →
M 4.869 km SSE of Shimoda, Japan10.0 km2000-08-03 12:21:57 UTCView event →
M 5.358 km SSE of Shimoda, Japan10.0 km2000-08-03 13:18:09 UTCView event →
M 4.564 km SSE of Shimoda, Japan10.0 km2000-08-03 14:26:26 UTCView event →
M 4.566 km SSE of Shimoda, Japan10.0 km2000-08-03 15:41:24 UTCView event →
M 4.544 km SSE of Shimoda, Japan10.0 km2000-08-03 15:42:01 UTCView event →
M 4.660 km SSE of Shimoda, Japan10.0 km2000-08-03 17:19:21 UTCView event →
M 5.162 km SSE of Shimoda, Japan10.0 km2000-08-03 19:23:38 UTCView event →
M 4.844 km SSE of Shimoda, Japan10.0 km2000-08-04 07:17:56 UTCView event →
M 4.866 km SSE of Shimoda, Japan10.0 km2000-08-04 23:55:15 UTCView event →
M 4.961 km SSE of Shimoda, Japan10.0 km2000-08-05 04:15:35 UTCView event →
M 4.5near the south coast of Honshu, Japan10.0 km2000-08-05 06:03:32 UTCView event →
M 4.6near the south coast of Honshu, Japan10.0 km2000-08-05 18:26:13 UTCView event →
M 4.661 km SSE of Shimoda, Japan10.0 km2000-08-06 11:55:55 UTCView event →
M 4.5near the south coast of Honshu, Japan10.0 km2000-08-08 05:58:08 UTCView event →
M 4.755 km SSE of Shimoda, Japan10.0 km2000-08-08 19:29:25 UTCView event →
M 4.590 km S of Shimoda, Japan10.0 km2000-08-10 04:39:55 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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