Sequence · 2007-01-31

M 6.5 · Observed seismic cluster · Kermadec Islands, New Zealand

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 5.0
Quake Pulse

Sequence timeline

Within first 24 hours1
Within first 7 days2
Observed duration13.3 d
Gap from reference eventM 1.5
0 h13.3 d
Quake Pulse

Main-event impact

Shallow

38/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.5Kermadec Islands, New Zealand34.0 km2007-01-31 03:15:52 UTCView event →
M 5.0Kermadec Islands region90.9 km2007-02-02 15:02:21 UTCView event →
M 5.0Kermadec Islands region104.0 km2007-02-09 03:25:12 UTCView event →
M 4.6Kermadec Islands region126.5 km2007-02-13 09:50:35 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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