Sequence · 2016-10-17

M 6.8 · Observed seismic cluster · 76 km WNW of Kandrian, 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 cluster6
M6+1
Analysis radius308 km
Observation window14 days
Largest secondary eventM 4.7
Quake Pulse

Sequence timeline

Within first 24 hours2
Within first 7 days5
Observed duration12.5 d
Gap from reference eventM 2.1
0 h12.5 d
Quake Pulse

Main-event impact

13 Felt reports · PAGER GREEN · Tsunami indicator · Shallow

65/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.876 km WNW of Kandrian, Papua New Guinea42.0 km2016-10-17 06:14:58 UTCView event →
M 4.686 km W of Kandrian, Papua New Guinea42.5 km2016-10-17 08:59:59 UTCView event →
M 4.5138 km N of Lae, Papua New Guinea184.9 km2016-10-18 10:29:57 UTCView event →
M 4.755 km WNW of Kandrian, Papua New Guinea88.2 km2016-10-19 15:12:39 UTCView event →
M 4.6122 km ESE of Kimbe, Papua New Guinea35.0 km2016-10-22 21:10:13 UTCView event →
M 4.7106 km NW of Kimbe, Papua New Guinea586.2 km2016-10-29 19:19:55 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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