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Strong mag. 5.8 earthquake - South Pacific Ocean on Thursday, Dec 22, 2022 at 8:39 pm (GMT -12) -

Strong mag. 5.8 earthquake - South Pacific Ocean on Thursday, Dec 22, 2022 at 8:39 pm (GMT -12) Strong mag. 5.8 earthquake - South Pacific Ocean on Thursday, Dec 22, 2022 at 8:39 pm (GMT -12)

Strong magnitude 5.8 earthquake at 10 km depth

23 Dec 08:52 UTC: First to report: GFZ after 13 minutes.
23 Dec 08:58: Magnitude recalculated from 5.0 to 5.2. Epicenter location corrected by 8.2 km (5.1 mi) towards SW.
23 Dec 08:59: Now using data updates from USGS

Earthquake details

Date & timeDec 23, 2022 08:39:24 UTC -
Local time at epicenterThursday, Dec 22, 2022 at 8:39 pm (GMT -12)
Depth10.0 km
Epicenter latitude / longitude65.3807°S / 179.7939°W
Antipode65.381°N / 0.206°E
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities
Weather at epicenter at time of quakeSnow -0.1°C (32 F), humidity: 99%, wind: 11 m/s (21 kts) from NNE
Estimated seismic energy released3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 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.
5.810 kmPacific-Antarctic RidgeUSGS
5.810 kmPacific Antarctic RidgeRaspberryShake
5.510 kmPacific-Antarctic RidgeGFZ
5.610 kmPacific Antarctic RidgeGeoAu
5.810 kmPacific-Antarctic RidgeIRIS

User reports for this quake (1)

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


[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Jan 3, 2023 13:09
12 weeks ago

10 km
South Pacific OceanMore
Dec 26, 2022 15:10
13 weeks ago

10 km
South Pacific OceanMore

Earlier earthquakes in the same area

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