Sequence · 2011-12-27

M 6.6 · Observed seismic cluster · 45 km NNE of Saryg-Sep, Russia

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 cluster15
M6+1
Analysis radius276 km
Observation window14 days
Largest secondary eventM 4.7
Quake Pulse

Sequence timeline

Within first 24 hours10
Within first 7 days12
Observed duration13.2 d
Gap from reference eventM 1.9
0 h13.2 d
Quake Pulse

Main-event impact

Shallow

46/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.645 km NNE of Saryg-Sep, Russia15.0 km2011-12-27 15:21:56 UTCView event →
M 4.553 km NNE of Saryg-Sep, Russia10.0 km2011-12-27 16:12:32 UTCView event →
M 4.566 km ENE of Saryg-Sep, Russia10.0 km2011-12-27 18:36:23 UTCView event →
M 4.747 km ENE of Saryg-Sep, Russia10.0 km2011-12-27 20:19:11 UTCView event →
M 4.637 km NE of Saryg-Sep, Russia10.0 km2011-12-27 20:29:45 UTCView event →
M 4.754 km NNE of Saryg-Sep, Russia10.0 km2011-12-28 00:40:32 UTCView event →
M 4.558 km NE of Saryg-Sep, Russia10.0 km2011-12-28 04:11:47 UTCView event →
M 4.745 km NE of Saryg-Sep, Russia10.0 km2011-12-28 04:23:40 UTCView event →
M 4.537 km NNE of Saryg-Sep, Russia10.0 km2011-12-28 04:45:58 UTCView event →
M 4.654 km SSW of Toora-Khem, Russia10.0 km2011-12-28 13:54:36 UTCView event →
M 4.638 km NE of Saryg-Sep, Russia7.0 km2011-12-28 15:25:41 UTCView event →
M 4.561 km S of Toora-Khem, Russia10.0 km2012-01-01 11:07:22 UTCView event →
M 4.7southwestern Siberia, Russia10.0 km2012-01-04 13:08:11 UTCView event →
M 4.729 km NE of Saryg-Sep, Russia21.9 km2012-01-09 18:55:31 UTCView event →
M 4.630 km ENE of Saryg-Sep, Russia10.0 km2012-01-09 19:33:08 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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