Sequence · 2015-09-24

M 6.6 · Observed seismic cluster · 28 km N of Sorong, Indonesia

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 cluster5
M6+1
Analysis radius276 km
Observation window14 days
Largest secondary eventM 4.8
Quake Pulse

Sequence timeline

Within first 24 hours4
Within first 7 days5
Observed duration1.2 d
Gap from reference eventM 1.8
0 h1.2 d
Quake Pulse

Main-event impact

2 Felt reports · PAGER GREEN · Shallow

48/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.628 km N of Sorong, Indonesia18.0 km2015-09-24 15:53:27 UTCView event →
M 4.735 km NNW of Sorong, Indonesia6.6 km2015-09-24 16:05:17 UTCView event →
M 4.863 km NE of Sorong, Indonesia10.0 km2015-09-24 16:06:18 UTCView event →
M 4.829 km NNW of Sorong, Indonesia10.0 km2015-09-25 00:41:07 UTCView event →
M 4.826 km NNW of Sorong, Indonesia10.0 km2015-09-25 21:53:18 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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