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Sequence · 2009-01-19

M 6.6 · Observed seismic cluster · southeast of the Loyalty Islands

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 cluster21
M6+3
Analysis radius276 km
Observation window14 days
Largest secondary eventM 6.1
Quake Pulse

Sequence timeline

Within first 24 hours7
Within first 7 days19
Observed duration8.9 d
Gap from reference eventM 0.5
0 h8.9 d
Quake Pulse

Main-event impact

Shallow

39/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.6southeast of the Loyalty Islands12.0 km2009-01-19 03:35:18 UTCView event →
M 6.0southeast of the Loyalty Islands35.0 km2009-01-19 03:46:37 UTCView event →
M 4.8southeast of the Loyalty Islands35.0 km2009-01-19 03:47:50 UTCView event →
M 4.5southeast of the Loyalty Islands35.0 km2009-01-19 03:51:34 UTCView event →
M 4.7southeast of the Loyalty Islands35.0 km2009-01-19 04:05:14 UTCView event →
M 4.7southeast of the Loyalty Islands35.0 km2009-01-19 16:42:02 UTCView event →
M 5.6southeast of the Loyalty Islands35.0 km2009-01-19 22:26:57 UTCView event →
M 4.5southeast of the Loyalty Islands35.0 km2009-01-20 06:35:57 UTCView event →
M 5.3southeast of the Loyalty Islands35.0 km2009-01-21 02:19:15 UTCView event →
M 4.6southeast of the Loyalty Islands35.0 km2009-01-21 02:30:19 UTCView event →
M 4.7southeast of the Loyalty Islands10.0 km2009-01-21 02:38:56 UTCView event →
M 6.1southeast of the Loyalty Islands24.0 km2009-01-21 17:08:42 UTCView event →
M 4.5southeast of the Loyalty Islands35.0 km2009-01-21 18:46:00 UTCView event →
M 4.5southeast of the Loyalty Islands35.0 km2009-01-21 21:31:34 UTCView event →
M 4.5southeast of the Loyalty Islands10.0 km2009-01-21 21:39:34 UTCView event →
M 4.9southeast of the Loyalty Islands57.8 km2009-01-22 04:39:26 UTCView event →
M 5.1southeast of the Loyalty Islands35.0 km2009-01-22 08:12:09 UTCView event →
M 4.8southeast of the Loyalty Islands35.0 km2009-01-22 21:02:42 UTCView event →
M 4.5255 km E of Tadine, New Caledonia15.0 km2009-01-25 18:20:54 UTCView event →
M 4.8188 km E of Tadine, New Caledonia10.0 km2009-01-27 01:23:49 UTCView event →
M 4.5279 km ESE of Tadine, New Caledonia35.0 km2009-01-28 01:33:49 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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