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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 mag. 6.3 earthquake - South Pacific Ocean, Antarctica, on Tuesday, Feb 22, 2022 at 12:24 pm (GMT +13) 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 & timeFeb 21, 2022 23:24:13 UTC -
Local time at epicenterTuesday, Feb 22, 2022 at 12:24 pm (GMT +13)
Depth14.0 km
Epicenter latitude / longitude69.7825°S / 165.4105°E (South Pacific Ocean, Antarctica)
Antipode69.783°N / 14.59°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities898 km (558 mi) N of Polarni stanice McMurdo (pop: 1,260) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds -7.7°C (18 F), humidity: 67%, wind: 5 m/s (11 kts) from WNW
Estimated seismic energy released1.8 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.
6.314 kmAntarctica: Balleny Islands RegionUSGS
5.810 kmAntarctica: Near ChristchurchRENASS
6.310 kmAntarctica: Balleny Islands RegionRaspberryShake
6.310 kmAntarctica: Balleny Islands RegionGFZ
6.30.8 kmAntarctica [Sea]INGV
6.410 kmAntarctica: Balleny Islands RegionGeoAu


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
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Palmdale, CALIFORNIA / not felt


Please check again later while we are collecting more data.

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