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Sequence · 2002-11-02

M 7.4 · Observed seismic cluster · 50 km NW of Sinabang, 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 cluster20
M6+2
Analysis radius404 km
Observation window14 days
Largest secondary eventM 6.3
Quake Pulse

Sequence timeline

Within first 24 hours13
Within first 7 days17
Observed duration11.6 d
Gap from reference eventM 1.1
0 h11.6 d
Quake Pulse

Main-event impact

Shallow

55/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.450 km NW of Sinabang, Indonesia30.0 km2002-11-02 01:26:10 UTCView event →
M 5.257 km WNW of Sinabang, Indonesia23.5 km2002-11-02 01:38:20 UTCView event →
M 5.223 km NW of Sinabang, Indonesia33.0 km2002-11-02 01:45:35 UTCView event →
M 5.056 km WNW of Sinabang, Indonesia33.0 km2002-11-02 01:56:53 UTCView event →
M 4.666 km WSW of Sinabang, Indonesia23.4 km2002-11-02 02:20:02 UTCView event →
M 4.875 km W of Sinabang, Indonesia33.0 km2002-11-02 02:56:34 UTCView event →
M 4.738 km NW of Sinabang, Indonesia33.0 km2002-11-02 03:46:53 UTCView event →
M 4.837 km WNW of Sinabang, Indonesia33.0 km2002-11-02 03:56:31 UTCView event →
M 4.620 km W of Sinabang, Indonesia33.0 km2002-11-02 04:19:11 UTCView event →
M 6.352 km N of Sinabang, Indonesia27.0 km2002-11-02 09:46:46 UTCView event →
M 4.755 km N of Sinabang, Indonesia33.0 km2002-11-02 14:44:57 UTCView event →
M 4.911 km NNW of Sinabang, Indonesia33.0 km2002-11-02 19:58:26 UTCView event →
M 4.860 km WSW of Sinabang, Indonesia33.0 km2002-11-02 21:26:11 UTCView event →
M 4.756 km NW of Sinabang, Indonesia33.0 km2002-11-03 03:59:42 UTCView event →
M 4.519 km SW of Sinabang, Indonesia33.0 km2002-11-03 18:57:07 UTCView event →
M 4.937 km W of Sinabang, Indonesia33.0 km2002-11-04 03:46:53 UTCView event →
M 4.547 km WNW of Sinabang, Indonesia33.0 km2002-11-08 04:27:52 UTCView event →
M 4.849 km N of Sinabang, Indonesia33.0 km2002-11-12 17:46:30 UTCView event →
M 4.732 km NW of Sinabang, Indonesia33.0 km2002-11-13 06:47:48 UTCView event →
M 5.666 km NNW of Sinabang, Indonesia39.4 km2002-11-13 15:53:09 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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