Sequence · 2005-05-16

M 6.6 · Observed seismic cluster · south of the Kermadec Islands

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 radius276 km
Observation window14 days
Largest secondary eventM 5.4
Quake Pulse

Sequence timeline

Within first 24 hours3
Within first 7 days6
Observed duration10.8 d
Gap from reference eventM 1.2
0 h10.8 d
Quake Pulse

Main-event impact

Shallow

39/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.6south of the Kermadec Islands34.0 km2005-05-16 03:54:14 UTCView event →
M 5.4south of the Kermadec Islands40.8 km2005-05-16 09:59:35 UTCView event →
M 4.7south of the Kermadec Islands10.0 km2005-05-17 03:36:37 UTCView event →
M 4.7south of the Kermadec Islands18.8 km2005-05-17 10:58:18 UTCView event →
M 4.7south of the Kermadec Islands10.0 km2005-05-19 00:09:55 UTCView event →
M 4.6south of the Kermadec Islands10.0 km2005-05-22 18:57:21 UTCView event →
M 4.6Kermadec Islands, New Zealand142.9 km2005-05-26 22:28:42 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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