Sequence · 2016-08-31

M 6.8 · Observed seismic cluster · 90 km NE of Rabaul, 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 cluster9
M6+1
Analysis radius308 km
Observation window14 days
Largest secondary eventM 4.9
Quake Pulse

Sequence timeline

Within first 24 hours1
Within first 7 days5
Observed duration13.8 d
Gap from reference eventM 1.9
0 h13.8 d
Quake Pulse

Main-event impact

3 Felt reports · PAGER GREEN · Tsunami indicator · Deep

60/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.890 km NE of Rabaul, Papua New Guinea476.0 km2016-08-31 03:11:34 UTCView event →
M 4.9204 km WNW of Panguna, Papua New Guinea60.8 km2016-09-01 08:55:33 UTCView event →
M 4.683 km SW of Kokopo, Papua New Guinea141.0 km2016-09-02 00:50:28 UTCView event →
M 4.5149 km E of Kokopo, Papua New Guinea96.1 km2016-09-06 10:02:10 UTCView event →
M 4.5193 km ESE of Kimbe, Papua New Guinea10.0 km2016-09-06 23:56:55 UTCView event →
M 4.8198 km ESE of Kimbe, Papua New Guinea10.0 km2016-09-07 17:41:19 UTCView event →
M 4.787 km ENE of Kimbe, Papua New Guinea178.0 km2016-09-10 15:06:58 UTCView event →
M 4.5New Ireland region, Papua New Guinea24.6 km2016-09-11 17:14:20 UTCView event →
M 4.8144 km ESE of Kokopo, Papua New Guinea54.3 km2016-09-13 21:16:49 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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