Sequence · 2005-12-11

M 6.6 · Observed seismic cluster · 247 km S of Kokopo, Papua New Guinea

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 radius276 km
Observation window14 days
Largest secondary eventM 4.6
Quake Pulse

Sequence timeline

Within first 24 hours2
Within first 7 days4
Observed duration3.5 d
Gap from reference eventM 2.0
0 h3.5 d
Quake Pulse

Main-event impact

Shallow

39/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.6247 km S of Kokopo, Papua New Guinea17.0 km2005-12-11 14:20:45 UTCView event →
M 4.5273 km S of Kokopo, Papua New Guinea75.3 km2005-12-11 17:12:29 UTCView event →
M 4.691 km ENE of Kimbe, Papua New Guinea26.2 km2005-12-13 13:52:29 UTCView event →
M 4.6173 km SSW of Kokopo, Papua New Guinea36.1 km2005-12-15 01:37:46 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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