Strong mag. 5.8 earthquake - South Pacific Ocean, New Caledonia, on Monday, 1 Mar 2021 7:37 am (GMT +11) -

This quake was likely an aftershock of the 7.7 quake South Pacific Ocean, New Caledonia, 11 Feb 2021 12:20 am (GMT +11), which had occurred 3 weeks earlier.
Strong mag. 5.8 earthquake - South Pacific Ocean, New Caledonia, on Monday, 1 Mar 2021 7:37 am (GMT +11)

Strong magnitude 5.8 earthquake at 30 km depth

28 Feb 20:46 UTC: First to report: EMSC after 8 minutes.
28 Feb 20:48: Hypocenter depth recalculated from 5.0 to 80.0 km (from 3.1 to 50 mi). Epicenter location corrected by 21 km (13 mi) towards ENE.
... [show all] ...
28 Feb 22:28: Hypocenter depth recalculated from 40.0 to 30.0 km (from 25 to 18.6 mi). Epicenter location corrected by 10.8 km (6.7 mi) towards NNE.
Date & time: 28 Feb 2021 20:37:40 UTC -
Local time at epicenter: Monday, 1 Mar 2021 7:37 am (GMT +11)
Magnitude: 5.8
Depth: 30.0 km
Epicenter latitude / longitude: 22.72°S / 172.4°E (South Pacific Ocean, New Caledonia)
Nearest volcano: Hunter Island (58 km / 36 mi)
Nearby towns and cities:
479 km (298 mi) SE of Isangel (Vanuatu) (pop: 1,440) --> See nearby quakes!
614 km (381 mi) E of Noumea (pop: 93,100) --> See nearby quakes!
479 km (298 mi) SE of Tanna Island (pop: 28,800) --> See nearby quakes!
387 km (241 mi) SE of Aneityum Island (pop: 915) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 25.3°C (78 F), humidity: 77%, wind: 8 m/s (16 kts) from ESE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
5.830 kmSOUTHEAST OF LOYALTY ISLANDS, New CaledoniaEMSC
5.831 kmSoutheast of Loyalty Islands, New CaledoniaGFZ
5.710 kmSoutheast of the Loyalty Islands, New CaledoniaUSGS
5.810 kmSoutheast of Loyalty Islands, New CaledoniaGeoAu
6.020 kmNew Caledonia [Sea]INGV

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area

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