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Sequence · 2007-03-25

M 7.1 · Observed seismic cluster · 119 km S of Isangel, Vanuatu

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 cluster44
M6+5
Analysis radius356 km
Observation window14 days
Largest secondary eventM 6.9
Quake Pulse

Sequence timeline

Within first 24 hours9
Within first 7 days13
Observed duration13.5 d
Gap from reference eventM 0.2
0 h13.5 d
Quake Pulse

Main-event impact

11 Felt reports · Shallow

57/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.1119 km S of Isangel, Vanuatu34.0 km2007-03-25 00:40:01 UTCView event →
M 6.9134 km S of Isangel, Vanuatu35.0 km2007-03-25 01:08:19 UTCView event →
M 4.6125 km S of Isangel, Vanuatu35.0 km2007-03-25 01:40:32 UTCView event →
M 4.8131 km S of Isangel, Vanuatu35.0 km2007-03-25 02:07:54 UTCView event →
M 4.7130 km S of Isangel, Vanuatu32.0 km2007-03-25 04:02:30 UTCView event →
M 4.8134 km S of Isangel, Vanuatu40.5 km2007-03-25 05:08:48 UTCView event →
M 4.5Vanuatu35.0 km2007-03-25 09:07:17 UTCView event →
M 5.1117 km S of Isangel, Vanuatu30.6 km2007-03-25 10:37:11 UTCView event →
M 5.3138 km ENE of Tadine, New Caledonia7.2 km2007-03-25 21:57:04 UTCView event →
M 4.5112 km SSW of Isangel, Vanuatu35.0 km2007-03-26 23:43:31 UTCView event →
M 4.9110 km SSW of Isangel, Vanuatu18.0 km2007-03-31 07:31:36 UTCView event →
M 4.8117 km S of Isangel, Vanuatu42.8 km2007-03-31 08:08:42 UTCView event →
M 5.7108 km S of Isangel, Vanuatu10.0 km2007-03-31 21:55:24 UTCView event →
M 4.775 km NNE of Tadine, New Caledonia44.3 km2007-04-01 17:06:06 UTCView event →
M 4.8122 km S of Isangel, Vanuatu43.7 km2007-04-03 14:48:51 UTCView event →
M 4.769 km NE of Tadine, New Caledonia10.0 km2007-04-03 15:19:36 UTCView event →
M 4.570 km NNE of Tadine, New Caledonia10.0 km2007-04-03 15:36:08 UTCView event →
M 4.5178 km SSE of Isangel, Vanuatu10.0 km2007-04-03 16:35:05 UTCView event →
M 4.8188 km SSE of Isangel, Vanuatu10.0 km2007-04-03 19:20:32 UTCView event →
M 6.2124 km SSW of Isangel, Vanuatu12.0 km2007-04-03 20:26:09 UTCView event →
M 4.5139 km ENE of Tadine, New Caledonia10.0 km2007-04-03 20:31:36 UTCView event →
M 4.7133 km NE of Tadine, New Caledonia10.0 km2007-04-03 20:59:58 UTCView event →
M 4.9134 km NE of Tadine, New Caledonia10.0 km2007-04-03 21:55:47 UTCView event →
M 4.8126 km NE of Tadine, New Caledonia10.0 km2007-04-03 23:20:10 UTCView event →
M 6.2134 km NE of Tadine, New Caledonia13.0 km2007-04-04 11:00:27 UTCView event →
M 6.5129 km S of Isangel, Vanuatu10.0 km2007-04-04 11:02:29 UTCView event →
M 4.9129 km SSW of Isangel, Vanuatu10.0 km2007-04-04 13:05:36 UTCView event →
M 4.7133 km NE of Tadine, New Caledonia10.0 km2007-04-04 13:35:02 UTCView event →
M 5.0134 km SSW of Isangel, Vanuatu10.0 km2007-04-04 13:36:24 UTCView event →
M 4.596 km NE of Tadine, New Caledonia10.0 km2007-04-04 15:38:24 UTCView event →
M 5.0131 km SSW of Isangel, Vanuatu10.0 km2007-04-04 16:38:42 UTCView event →
M 4.592 km ENE of Tadine, New Caledonia10.0 km2007-04-05 06:10:01 UTCView event →
M 4.9136 km SSW of Isangel, Vanuatu10.0 km2007-04-05 07:13:17 UTCView event →
M 4.9115 km SSW of Isangel, Vanuatu10.0 km2007-04-05 12:09:53 UTCView event →
M 5.1295 km ESE of Vao, New Caledonia32.2 km2007-04-06 06:20:14 UTCView event →
M 4.7109 km NE of Tadine, New Caledonia10.0 km2007-04-06 09:20:48 UTCView event →
M 4.9112 km ENE of Tadine, New Caledonia10.0 km2007-04-06 14:45:09 UTCView event →
M 4.6101 km ENE of Tadine, New Caledonia10.0 km2007-04-07 02:58:57 UTCView event →
M 4.6111 km ENE of Tadine, New Caledonia10.0 km2007-04-07 07:01:59 UTCView event →
M 4.8105 km NE of Tadine, New Caledonia10.0 km2007-04-07 08:09:05 UTCView event →
M 4.9105 km NE of Tadine, New Caledonia10.0 km2007-04-07 08:20:16 UTCView event →
M 5.2114 km NE of Tadine, New Caledonia10.0 km2007-04-07 08:30:10 UTCView event →
M 4.9112 km NE of Tadine, New Caledonia10.0 km2007-04-07 08:46:39 UTCView event →
M 4.8102 km NE of Tadine, New Caledonia10.0 km2007-04-07 13:08:44 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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