Sequence · 2010-04-13

M 6.9 · Observed seismic cluster · 233 km NNW of Qamdo, China

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 cluster9
M6+2
Analysis radius324 km
Observation window14 days
Largest secondary eventM 6.1
Quake Pulse

Sequence timeline

Within first 24 hours7
Within first 7 days9
Observed duration1.8 d
Gap from reference eventM 0.8
0 h1.8 d
Quake Pulse

Main-event impact

71 Felt reports · Shallow

61/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.9233 km NNW of Qamdo, China17.0 km2010-04-13 23:49:38 UTCView event →
M 5.4201 km N of Qamdo, China22.8 km2010-04-14 00:01:17 UTCView event →
M 4.9198 km N of Qamdo, China10.0 km2010-04-14 00:05:32 UTCView event →
M 5.2229 km NNW of Qamdo, China10.0 km2010-04-14 00:12:24 UTCView event →
M 4.5202 km N of Qamdo, China10.0 km2010-04-14 00:59:46 UTCView event →
M 6.1239 km NNW of Qamdo, China7.6 km2010-04-14 01:25:15 UTCView event →
M 5.0221 km NNW of Qamdo, China10.0 km2010-04-14 03:15:46 UTCView event →
M 4.6210 km N of Qamdo, China10.0 km2010-04-15 04:00:07 UTCView event →
M 4.9219 km NNW of Qamdo, China10.0 km2010-04-15 18:30:19 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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