Sequence · 2001-12-12

M 7.1 · Observed seismic cluster · south of Australia

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 cluster7
M6+1
Analysis radius356 km
Observation window14 days
Largest secondary eventM 5.4
Quake Pulse

Sequence timeline

Within first 24 hours7
Within first 7 days7
Observed duration0.9 d
Gap from reference eventM 1.7
0 h0.9 d
Quake Pulse

Main-event impact

Shallow

47/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.1south of Australia10.0 km2001-12-12 14:02:35 UTCView event →
M 5.2south of Australia10.0 km2001-12-12 17:52:38 UTCView event →
M 4.8south of Australia10.0 km2001-12-12 19:52:58 UTCView event →
M 4.6south of Australia10.0 km2001-12-12 20:57:46 UTCView event →
M 5.4south of Australia10.0 km2001-12-13 07:28:09 UTCView event →
M 4.5south of Australia10.0 km2001-12-13 07:30:50 UTCView event →
M 4.9south of Australia10.0 km2001-12-13 11:55:04 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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