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Sequence · 2022-03-31

M 7.0 · 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 cluster49
M6+2
Analysis radius340 km
Observation window14 days
Largest secondary eventM 6.4
Quake Pulse · Major sequence

What the sequence shows

After the M 7.0 reference event, Quake Pulse counts 22 M4+ event(s) in the first 24 hours and 43 in the first 7 days. Fourteen-day M4.5+ activity is about 10.6× the average equivalent derived from the previous year. The largest secondary event is M 0.6 below the reference event.

89/100Sequence score
Events in the previous 24 h14
In the first hour7
In the first 24 hours22
In the first 7 days43
Within 14 days48
Peak one-hour count7

Local historical context

Descriptive comparison with M4.5+ events observed in the same radius during the 365 days before the sequence.

M4.5+ events / 365 d118Average 14-day equivalent4.5Activity / baseline ratio10.6×

A ratio above 1 means denser M4.5+ activity than the average equivalent derived from the previous 365 days. It is not a risk measure or a forecast.

Reference event

Largest secondary eventM 6.4Magnitude gapM 0.6Observed duration13.7 d

Earlier events are shown as context only. They are not labelled precursors and should not be interpreted as predictive signals.

Evolving sequence map

Shows M4+ cluster events according to elapsed time after the reference event.

1 hour24 hours7 days14 days
southeast of the Loyalty Islands · 340 kmInteractive 3D view of earthquakes within 340 km of southeast of the Loyalty Islands.southeast of the Loyalty IslandsM 5.6 · 277 km ESE of Tadine, New Caledonia · 13.7 kmM 4.9 · 287 km ESE of Tadine, New Caledonia · 32.6 kmM 4.6 · 259 km ESE of Tadine, New Caledonia · 22.3 kmM 5.2 · 253 km ESE of Tadine, New Caledonia · 31.8 kmM 5.6 · 271 km ESE of Tadine, New Caledonia · 23.6 kmM 4.9 · 276 km ESE of Tadine, New Caledonia · 19.0 kmM 4.6 · 269 km ESE of Tadine, New Caledonia · 22.6 kmM 4.9 · 258 km ESE of Tadine, New Caledonia · 26.2 kmM 5.1 · 255 km ESE of Tadine, New Caledonia · 26.9 kmM 4.7 · 240 km ESE of Tadine, New Caledonia · 42.8 kmM 5.1 · southeast of the Loyalty Islands · 38.2 kmM 4.5 · 249 km ESE of Tadine, New Caledonia · 34.5 kmM 5.3 · southeast of the Loyalty Islands · 38.0 kmM 5.1 · southeast of the Loyalty Islands · 44.2 kmM 5.3 · 257 km ESE of Tadine, New Caledonia · 44.1 kmM 6.4 · southeast of the Loyalty Islands · 45.3 kmM 4.5 · 299 km ESE of Tadine, New Caledonia · 17.7 kmM 5.1 · southeast of the Loyalty Islands · 39.7 kmM 4.5 · southeast of the Loyalty Islands · 34.3 kmM 4.6 · southeast of the Loyalty Islands · 76.9 kmM 4.8 · southeast of the Loyalty Islands · 38.2 kmM 4.6 · southeast of the Loyalty Islands · 60.1 km
southeast of the Loyalty Islands340 km22 Recent earthquakes

Detailed timeline

Dots represent M4+ events retained by the sequence detector. Dot size depends on magnitude.

0 h24 h7 d14 d

Sequences are descriptive groupings based on spatial and temporal proximity. Quake Pulse does not establish a causal link between every event here and does not provide earthquake forecasts.

Quake Pulse

Main-event impact

16 Felt reports · PAGER GREEN · Tsunami indicator · Shallow

68/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.0southeast of the Loyalty Islands10.0 km2022-03-31 05:44:01 UTCView event →
M 5.6277 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:02:09 UTCView event →
M 4.9287 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:03:20 UTCView event →
M 4.6259 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:07:59 UTCView event →
M 5.2253 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:09:47 UTCView event →
M 5.6271 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:12:24 UTCView event →
M 4.9276 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:17:03 UTCView event →
M 4.6269 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:42:25 UTCView event →
M 4.9258 km ESE of Tadine, New Caledonia10.0 km2022-03-31 06:45:08 UTCView event →
M 5.1255 km ESE of Tadine, New Caledonia10.0 km2022-03-31 07:22:01 UTCView event →
M 4.7240 km ESE of Tadine, New Caledonia10.0 km2022-03-31 07:41:38 UTCView event →
M 5.1southeast of the Loyalty Islands10.0 km2022-03-31 10:16:21 UTCView event →
M 4.5249 km ESE of Tadine, New Caledonia10.0 km2022-03-31 11:42:32 UTCView event →
M 5.3southeast of the Loyalty Islands10.0 km2022-03-31 15:29:53 UTCView event →
M 5.1southeast of the Loyalty Islands10.0 km2022-03-31 15:30:47 UTCView event →
M 5.3257 km ESE of Tadine, New Caledonia10.0 km2022-03-31 15:54:27 UTCView event →
M 6.4southeast of the Loyalty Islands20.0 km2022-03-31 19:50:40 UTCView event →
M 4.5299 km ESE of Tadine, New Caledonia10.0 km2022-03-31 20:09:49 UTCView event →
M 5.1southeast of the Loyalty Islands10.0 km2022-03-31 21:59:43 UTCView event →
M 4.5southeast of the Loyalty Islands10.0 km2022-03-31 22:33:18 UTCView event →
M 4.6southeast of the Loyalty Islands10.0 km2022-03-31 23:32:34 UTCView event →
M 4.8southeast of the Loyalty Islands10.0 km2022-04-01 01:08:14 UTCView event →
M 4.6southeast of the Loyalty Islands10.0 km2022-04-01 01:27:32 UTCView event →
M 5.5272 km ESE of Tadine, New Caledonia16.0 km2022-04-01 13:05:18 UTCView event →
M 5.6southeast of the Loyalty Islands22.4 km2022-04-02 04:15:06 UTCView event →
M 5.5southeast of the Loyalty Islands15.4 km2022-04-02 10:45:58 UTCView event →
M 5.6southeast of the Loyalty Islands9.0 km2022-04-02 18:45:00 UTCView event →
M 4.5southeast of the Loyalty Islands10.0 km2022-04-02 22:21:48 UTCView event →
M 4.9southeast of the Loyalty Islands10.0 km2022-04-02 23:06:23 UTCView event →
M 4.7275 km E of Vao, New Caledonia10.0 km2022-04-03 14:54:20 UTCView event →
M 4.6224 km E of Tadine, New Caledonia12.1 km2022-04-03 15:02:38 UTCView event →
M 4.9261 km E of Vao, New Caledonia10.0 km2022-04-03 15:40:28 UTCView event →
M 4.9265 km E of Vao, New Caledonia10.0 km2022-04-03 18:32:30 UTCView event →
M 5.1268 km E of Vao, New Caledonia10.0 km2022-04-03 18:44:28 UTCView event →
M 4.6southeast of the Loyalty Islands10.0 km2022-04-03 20:06:17 UTCView event →
M 4.5249 km ESE of Tadine, New Caledonia10.0 km2022-04-03 23:46:26 UTCView event →
M 4.5236 km ESE of Tadine, New Caledonia10.0 km2022-04-04 00:03:31 UTCView event →
M 4.7southeast of the Loyalty Islands10.0 km2022-04-04 06:48:14 UTCView event →
M 4.5262 km ESE of Tadine, New Caledonia10.0 km2022-04-04 07:52:06 UTCView event →
M 4.5251 km ESE of Tadine, New Caledonia10.0 km2022-04-04 13:43:14 UTCView event →
M 4.5249 km E of Tadine, New Caledonia10.0 km2022-04-04 14:00:00 UTCView event →
M 4.8280 km ESE of Tadine, New Caledonia10.0 km2022-04-05 00:46:08 UTCView event →
M 4.6southeast of the Loyalty Islands10.0 km2022-04-06 01:32:00 UTCView event →
M 4.6southeast of the Loyalty Islands10.0 km2022-04-06 02:09:18 UTCView event →
M 4.5274 km ESE of Tadine, New Caledonia10.0 km2022-04-08 20:16:11 UTCView event →
M 5.1southeast of the Loyalty Islands10.0 km2022-04-09 19:35:11 UTCView event →
M 4.793 km NE of Tadine, New Caledonia10.0 km2022-04-11 10:53:37 UTCView event →
M 4.5260 km ESE of Tadine, New Caledonia10.0 km2022-04-13 00:10:18 UTCView event →
M 4.6270 km ESE of Tadine, New Caledonia10.0 km2022-04-13 21:44:35 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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