Sequence · 2011-04-03

M 6.7 · Observed seismic cluster · 278 km SSW of Kawalu, 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 radius292 km
Observation window14 days
Largest secondary eventM 4.7
Quake Pulse

Sequence timeline

Within first 24 hours2
Within first 7 days4
Observed duration12.5 d
Gap from reference eventM 2.0
0 h12.5 d
Quake Pulse

Main-event impact

73 Felt reports · Shallow

55/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.7278 km SSW of Kawalu, Indonesia14.0 km2011-04-03 20:06:40 UTCView event →
M 4.7south of Java, Indonesia10.0 km2011-04-04 07:41:01 UTCView event →
M 4.7south of Java, Indonesia10.0 km2011-04-06 22:26:03 UTCView event →
M 4.5270 km SSW of Kroya, Indonesia12.0 km2011-04-10 04:14:09 UTCView event →
M 4.5276 km SSW of Kawalu, Indonesia16.2 km2011-04-16 07:04:38 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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