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Very strong mag. 6.4 earthquake - South Pacific Ocean, New Caledonia, on Friday, Apr 1, 2022 at 6:50 am (GMT +11) -

This quake was likely an aftershock of the 7.0 quake South Pacific Ocean, New Caledonia, Mar 31, 2022 4:44 pm (GMT +11), which had occurred 14 hours earlier.

Very strong mag. 6.4 earthquake - South Pacific Ocean, New Caledonia, on Friday, Apr 1, 2022 at 6:50 am (GMT +11)

Very strong magnitude 6.4 earthquake at 20 km depth

31 Mar 19:58 UTC: First to report: USGS after 8 minutes.
31 Mar 20:02: Epicenter location corrected by 4.9 km (3 mi) towards NW.
31 Mar 20:10: Magnitude recalculated from 6.8 to 6.3. Epicenter location corrected by 17 km (10.7 mi) towards ENE.
7 Apr 15:24: Magnitude recalculated from 6.3 to 6.4. Hypocenter depth recalculated from 10.0 to 20.0 km (from 6.2 to 12.4 mi). Epicenter location corrected by 15 km (9.4 mi) towards ENE.

Earthquake details

Date & time	Mar 31, 2022 19:50:41 UTC -
Local time at epicenter	Friday, Apr 1, 2022 at 6:50 am (GMT +11)
Status	Confirmed
Magnitude	6.4
Depth	20.0 km
Epicenter latitude / longitude	22.6651°S / 170.7798°E (South Pacific Ocean, New Caledonia)
Antipode	22.665°N / 9.22°W
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Matthew Island (67 km / 42 mi)
Nearby towns and cities	324 km (201 mi) ESE of Tadine (Maré) (pop: 7,490) \| Show on map \| Quakes nearby 381 km (236 mi) SSE of Isangel (Vanuatu) (pop: 1,440) \| Show on map \| Quakes nearby 412 km (256 mi) ESE of Wé (Lifou) (pop: 10,400) \| Show on map \| Quakes nearby 292 km (181 mi) SSE of Aneityum Island (pop: 915) \| Show on map \| Quakes nearby 378 km (235 mi) SSE of Tanna Island (pop: 28,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Few Clouds 26.9°C (80 F), humidity: 75%, wind: 9 m/s (18 kts) from E
Estimated seismic energy released	2.5 x 10¹⁴ joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
6.4	20 km	New Caledonia: Southeast of the Loyalty Islands	USGS
6.5	10 km	New Caledonia: Southeast of Loyalty Islands	GFZ
6.3	10 km	New Caledonia: Southeast of Loyalty Islands	RaspberryShake
6.6	10.5 km	New Caledonia: Southeast of Loyalty Islands	GeoAu
6.5	10 km	New Caledonia: SOUTHEAST OF LOYALTY ISLANDS	EMSC
6.5	9.4 km	New Caledonia [Sea]	INGV
5.4	10 km	New Caledonia: Near North Shore	RENASS

Most recent quakes Top 20 past 24 hrs Quakes in Vanuatu

Seismograms

Seismic station: Tucson, Arizona (TUC/IU network) | Distance from quake: 10324 km / 6415 mi | Show on map | Station Info

Seismic station Tucson, Arizona: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.02-2.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Lautoka,Fiji Islands / not felt

Aftershocks

[More info]

Recorded aftershocks, latest first (31 quakes)

Date and time	Mag Depth	Location	Details
Sep 16, 2022 23:58 27 weeks ago - felt	5.5 45 km	South Pacific Ocean, New Caledonia	More
Aug 28, 2022 03:42 30 weeks ago	5.2 10 km	South Pacific Ocean, New Caledonia	More
Aug 16, 2022 08:34 32 weeks ago	5.0 35 km	South Pacific Ocean, New Caledonia	More
Aug 14, 2022 21:04 32 weeks ago - felt	6.4 78 km	South Pacific Ocean, New Caledonia	More
Jun 25, 2022 11:54 39 weeks ago	5.0 23 km	South Pacific Ocean, New Caledonia	More
Jun 6, 2022 17:16 42 weeks ago	4.5 10 km	South Pacific Ocean, New Caledonia	More
May 8, 2022 17:51 46 weeks ago	5.0 10 km	South Pacific Ocean, New Caledonia	More
May 6, 2022 16:11 46 weeks ago	4.5 10 km	South Pacific Ocean, New Caledonia	More
May 6, 2022 10:34 46 weeks ago	4.5 10 km	South Pacific Ocean, 289 km SE of Tadine, Maré, Loyalty Islands, New Caledonia	More
Apr 27, 2022 08:49 47 weeks ago	4.9 10 km	South Pacific Ocean, New Caledonia	More
Apr 20, 2022 17:58 48 weeks ago	4.9 10 km	South Pacific Ocean, New Caledonia	More
Apr 20, 2022 05:13 48 weeks ago	5.9 10 km	South Pacific Ocean, New Caledonia	More
Apr 16, 2022 21:57 49 weeks ago	5.3 10 km	South Pacific Ocean, New Caledonia	More
Apr 14, 2022 11:02 49 weeks ago	4.9 40 km	South Pacific Ocean, 289 km E of Tadine, Maré, Loyalty Islands, New Caledonia	More
Apr 13, 2022 21:44 49 weeks ago	4.7 10 km	South Pacific Ocean, New Caledonia	More
Apr 9, 2022 19:35 50 weeks ago	5.0 23 km	South Pacific Ocean, New Caledonia	More
Apr 5, 2022 00:46 51 weeks ago	5.0 10 km	South Pacific Ocean, 281 km E of Tadine, Maré, Loyalty Islands, New Caledonia	More
Apr 4, 2022 06:48 51 weeks ago	4.7 10 km	South Pacific Ocean, New Caledonia	More
Apr 4, 2022 00:03 51 weeks ago	4.6 10 km	South Pacific Ocean, New Caledonia	More
Apr 3, 2022 23:46 51 weeks ago	4.6 10 km	South Pacific Ocean, New Caledonia	More
Apr 3, 2022 18:44 51 weeks ago	4.8 10 km	South Pacific Ocean, New Caledonia	More
Apr 3, 2022 18:32 51 weeks ago	4.8 10 km	South Pacific Ocean, New Caledonia	More
Apr 2, 2022 23:06 51 weeks ago	4.8 10 km	South Pacific Ocean, New Caledonia	More
Apr 2, 2022 18:45 51 weeks ago	5.6 10 km	South Pacific Ocean, New Caledonia	More
Apr 2, 2022 10:45 51 weeks ago	5.5 10 km	South Pacific Ocean, 298 km SE of Tadine, Maré, Loyalty Islands, New Caledonia	More
Apr 2, 2022 04:15 51 weeks ago	5.6 10 km	South Pacific Ocean, New Caledonia	More
Apr 1, 2022 13:05 51 weeks ago	5.5 10 km	South Pacific Ocean, New Caledonia	More
Apr 1, 2022 01:27 51 weeks ago	4.6 10 km	South Pacific Ocean, New Caledonia	More
Apr 1, 2022 01:08 51 weeks ago	4.7 10 km	South Pacific Ocean, New Caledonia	More
Mar 31, 2022 21:59 51 weeks ago	5.1 10 km	South Pacific Ocean, New Caledonia	More
Mar 31, 2022 20:09 51 weeks ago	4.5 10 km	South Pacific Ocean, 299 km SE of Tadine, Maré, Loyalty Islands, New Caledonia	More

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