Sequence · 2005-10-29

M 6.5 · Observed seismic cluster · southeast Indian Ridge

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 radius260 km
Observation window14 days
Largest secondary eventM 4.8
Quake Pulse

Sequence timeline

Within first 24 hours1
Within first 7 days2
Observed duration13.3 d
Gap from reference eventM 1.7
0 h13.3 d
Quake Pulse

Main-event impact

Shallow

38/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.5southeast Indian Ridge8.0 km2005-10-29 04:05:56 UTCView event →
M 4.7southeast Indian Ridge10.0 km2005-10-31 10:28:52 UTCView event →
M 4.6southeast Indian Ridge10.0 km2005-11-07 07:54:11 UTCView event →
M 4.8southeast Indian Ridge10.0 km2005-11-11 10:21:07 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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