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Very strong mag. 6.3 earthquake - South Pacific Ocean, Antarctica, on Tuesday, Feb 22, 2022 at 12:24 pm (GMT +13) -

Very strong magnitude 6.3 earthquake at 14 km depth

21 Feb 23:34 UTC: First to report: GFZ after 10 minutes.
21 Feb 23:35: Epicenter location corrected by 13 km (7.8 mi) towards W.
... [show all] ...
28 Feb 22:02: Hypocenter depth recalculated from 10.0 to 14.0 km (from 6.2 to 8.7 mi). Epicenter location corrected by 2.6 km (1.6 mi) towards SSW.

Earthquake details

Date & time	Feb 21, 2022 23:24:13 UTC -
Local time at epicenter	Tuesday, Feb 22, 2022 at 12:24 pm (GMT +13)
Status	Confirmed
Magnitude	6.3
Depth	14.0 km
Epicenter latitude / longitude	69.7825°S / 165.4105°E (South Pacific Ocean, Antarctica)
Antipode	69.783°N / 14.59°W
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	898 km (558 mi) N of Polarni stanice McMurdo (pop: 1,260) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds -7.7°C (18 F), humidity: 67%, wind: 5 m/s (11 kts) from WNW
Estimated seismic energy released	1.8 x 10¹⁴ joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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
6.3	14 km	Antarctica: Balleny Islands Region	USGS
6.3	40 km	Antarctica: BALLENY ISLANDS REGION	EMSC
5.8	10 km	Antarctica: Near Christchurch	RENASS
6.3	10 km	Antarctica: Balleny Islands Region	RaspberryShake
6.3	10 km	Antarctica: Balleny Islands Region	GFZ
6.3	0.8 km	Antarctica [Sea]	INGV
6.4	10 km	Antarctica: Balleny Islands Region	GeoAu

Most recent quakes Top 20 past 24 hrs Quakes in Antarctica

Seismograms

Seismic station: Tegucigalpa, Honduras (TGUH/CU network) | Distance from quake: 12135 km / 7540 mi | Show on map | Station Info

Seismic station Tegucigalpa, Honduras: 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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Palmdale, CALIFORNIA / not felt

Aftershocks

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