Sequence · 2009-06-23

M 6.7 · Observed seismic cluster · 190 km ESE 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 radius292 km
Observation window14 days
Largest secondary eventM 5.2
Quake Pulse

Sequence timeline

Within first 24 hours1
Within first 7 days3
Observed duration9.6 d
Gap from reference eventM 1.5
0 h9.6 d
Quake Pulse

Main-event impact

4 Felt reports · Shallow

49/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.7190 km ESE of Kokopo, Papua New Guinea64.0 km2009-06-23 14:19:22 UTCView event →
M 5.2153 km ESE of Kimbe, Papua New Guinea59.3 km2009-06-29 13:00:19 UTCView event →
M 4.5123 km W of Panguna, Papua New Guinea88.2 km2009-06-30 05:05:25 UTCView event →
M 4.5112 km W of Panguna, Papua New Guinea62.4 km2009-07-03 05:18:49 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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