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Sequence · 2012-04-21

M 6.7 · Observed seismic cluster · 86 km SSE of Manokwari, 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 cluster11
M6+2
Analysis radius292 km
Observation window14 days
Largest secondary eventM 6.0
Quake Pulse

Sequence timeline

Within first 24 hours6
Within first 7 days8
Observed duration11.6 d
Gap from reference eventM 0.7
0 h11.6 d
Quake Pulse

Main-event impact

Shallow

48/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.786 km SSE of Manokwari, Indonesia16.0 km2012-04-21 01:16:52 UTCView event →
M 4.794 km SSE of Manokwari, Indonesia10.0 km2012-04-21 01:24:37 UTCView event →
M 6.086 km S of Manokwari, Indonesia17.4 km2012-04-21 01:25:13 UTCView event →
M 4.892 km SSE of Manokwari, Indonesia13.2 km2012-04-21 01:31:28 UTCView event →
M 4.6Near the north coast of Papua, Indonesia10.0 km2012-04-21 02:01:17 UTCView event →
M 4.5103 km SSE of Manokwari, Indonesia12.5 km2012-04-21 02:16:16 UTCView event →
M 4.5103 km SSE of Manokwari, Indonesia35.0 km2012-04-24 16:16:31 UTCView event →
M 4.6104 km SSE of Manokwari, Indonesia5.5 km2012-04-24 23:48:49 UTCView event →
M 5.275 km ENE of Nabire, Indonesia18.4 km2012-04-29 01:57:51 UTCView event →
M 4.573 km ENE of Nabire, Indonesia10.0 km2012-04-29 02:11:15 UTCView event →
M 4.576 km ENE of Nabire, Indonesia10.0 km2012-05-02 16:39:24 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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