Sequence · 2000-12-18

M 6.6 · Observed seismic cluster · Fiji region

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 cluster6
M6+1
Analysis radius276 km
Observation window14 days
Largest secondary eventM 5.7
Quake Pulse

Sequence timeline

Within first 24 hours3
Within first 7 days3
Observed duration11.9 d
Gap from reference eventM 0.9
0 h11.9 d
Quake Pulse

Main-event impact

Very deep

39/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.6Fiji region628.2 km2000-12-18 01:19:21 UTCView event →
M 4.5Fiji region663.5 km2000-12-18 20:26:34 UTCView event →
M 5.7Fiji region648.7 km2000-12-18 21:15:30 UTCView event →
M 5.7Fiji region644.8 km2000-12-25 05:11:58 UTCView event →
M 4.5Fiji region650.7 km2000-12-28 23:42:01 UTCView event →
M 5.4south of the Fiji Islands584.0 km2000-12-29 23:33:53 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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