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Sequence · 2011-10-23

M 7.1 · Observed seismic cluster · 27 km NNE of Van, Turkey

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 cluster46
M6+1
Analysis radius356 km
Observation window14 days
Largest secondary eventM 5.9
Quake Pulse

Sequence timeline

Within first 24 hours29
Within first 7 days41
Observed duration13.7 d
Gap from reference eventM 1.2
0 h13.7 d
Quake Pulse

Main-event impact

351 Felt reports · Shallow

69/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.127 km NNE of Van, Turkey18.0 km2011-10-23 10:41:23 UTCView event →
M 5.633 km NNE of Van, Turkey9.0 km2011-10-23 10:48:17 UTCView event →
M 4.830 km SSW of Erci?, Turkey7.1 km2011-10-23 10:52:05 UTCView event →
M 5.624 km SSE of Erci?, Turkey5.0 km2011-10-23 10:56:49 UTCView event →
M 4.615 km NE of Van, Turkey10.0 km2011-10-23 11:00:14 UTCView event →
M 5.224 km NW of Edremit, Turkey10.0 km2011-10-23 11:00:29 UTCView event →
M 4.511 km NW of Van, Turkey10.0 km2011-10-23 11:07:33 UTCView event →
M 5.019 km NE of Hizan, Turkey10.0 km2011-10-23 11:10:47 UTCView event →
M 4.727 km N of Van, Turkey10.0 km2011-10-23 11:16:26 UTCView event →
M 4.527 km NE of Van, Turkey11.4 km2011-10-23 11:19:04 UTCView event →
M 5.724 km SSW of Erci?, Turkey5.0 km2011-10-23 11:32:41 UTCView event →
M 4.731 km NW of Van, Turkey7.0 km2011-10-23 12:03:10 UTCView event →
M 4.531 km SSW of Erci?, Turkey5.0 km2011-10-23 12:13:07 UTCView event →
M 4.830 km NNW of Van, Turkey5.0 km2011-10-23 12:42:09 UTCView event →
M 4.529 km N of Van, Turkey7.2 km2011-10-23 12:56:49 UTCView event →
M 4.87 km N of Edremit, Turkey15.9 km2011-10-23 15:24:31 UTCView event →
M 4.618 km NNW of Van, Turkey18.3 km2011-10-23 15:58:00 UTCView event →
M 4.6eastern Turkey9.8 km2011-10-23 16:05:10 UTCView event →
M 5.124 km N of Van, Turkey5.0 km2011-10-23 18:10:45 UTCView event →
M 4.924 km N of Van, Turkey12.3 km2011-10-23 18:53:48 UTCView event →
M 4.827 km SSW of Erci?, Turkey5.0 km2011-10-23 19:06:06 UTCView event →
M 5.9eastern Turkey5.0 km2011-10-23 20:45:34 UTCView event →
M 4.5eastern Turkey7.7 km2011-10-23 20:56:37 UTCView event →
M 4.828 km NW of Edremit, Turkey5.0 km2011-10-23 22:21:30 UTCView event →
M 4.722 km NW of Van, Turkey5.0 km2011-10-24 04:43:01 UTCView event →
M 4.717 km NNW of Van, Turkey10.0 km2011-10-24 05:54:57 UTCView event →
M 4.520 km SSE of Erci?, Turkey4.5 km2011-10-24 08:12:12 UTCView event →
M 4.819 km NE of Van, Turkey3.6 km2011-10-24 08:28:26 UTCView event →
M 4.822 km NNE of Van, Turkey7.6 km2011-10-24 08:49:21 UTCView event →
M 5.025 km NW of Van, Turkey10.6 km2011-10-24 15:28:06 UTCView event →
M 4.630 km NNE of Van, Turkey5.0 km2011-10-24 23:55:14 UTCView event →
M 4.733 km NNW of Van, Turkey5.0 km2011-10-25 02:33:53 UTCView event →
M 5.633 km SE of Erci?, Turkey14.0 km2011-10-25 14:55:08 UTCView event →
M 4.527 km SSE of Erci?, Turkey10.0 km2011-10-26 02:59:58 UTCView event →
M 4.827 km NNW of Van, Turkey5.0 km2011-10-26 03:16:18 UTCView event →
M 4.522 km N of Van, Turkey5.4 km2011-10-26 23:42:27 UTCView event →
M 5.121 km E of Çukurca, Turkey10.0 km2011-10-27 08:04:22 UTCView event →
M 4.627 km NE of Van, Turkey5.0 km2011-10-28 08:48:07 UTCView event →
M 4.722 km NW of Van, Turkey5.0 km2011-10-29 18:45:48 UTCView event →
M 5.123 km SE of Erci?, Turkey5.0 km2011-10-29 22:24:21 UTCView event →
M 4.531 km NE of Van, Turkey5.0 km2011-10-30 01:55:04 UTCView event →
M 4.525 km SE of Erci?, Turkey5.0 km2011-11-02 04:34:20 UTCView event →
M 4.622 km SE of Çukurca, Turkey10.0 km2011-11-02 11:43:04 UTCView event →
M 4.626 km SE of Erci?, Turkey5.0 km2011-11-02 13:24:02 UTCView event →
M 4.528 km SSE of Erci?, Turkey5.0 km2011-11-05 19:19:16 UTCView event →
M 4.821 km ESE of Erci?, Turkey5.0 km2011-11-06 02:43:12 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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