Sequence · 2004-01-28

M 6.7 · Observed seismic cluster · 107 km NW of Ambon, 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 cluster4
M6+1
Analysis radius292 km
Observation window14 days
Largest secondary eventM 4.7
Quake Pulse

Sequence timeline

Within first 24 hours3
Within first 7 days3
Observed duration10.0 d
Gap from reference eventM 2.0
0 h10.0 d
Quake Pulse

Main-event impact

Shallow

47/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.7107 km NW of Ambon, Indonesia17.4 km2004-01-28 22:15:30 UTCView event →
M 4.6122 km NW of Ambon, Indonesia10.0 km2004-01-28 23:35:33 UTCView event →
M 4.6102 km WNW of Ambon, Indonesia70.0 km2004-01-29 00:59:00 UTCView event →
M 4.738 km S of Ambon, Indonesia10.0 km2004-02-07 22:37:02 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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