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Strong mag. 5.4 earthquake - South Pacific Ocean on Tuesday, Jan 18, 2022 at 7:06 am (GMT -11) -

Strong mag. 5.4 earthquake - South Pacific Ocean on Tuesday, Jan 18, 2022 at 7:06 am (GMT -11) Strong mag. 5.4 earthquake - South Pacific Ocean on Tuesday, Jan 18, 2022 at 7:06 am (GMT -11)

Strong magnitude 5.4 earthquake at 10 km depth

18 Jan 18:20 UTC: First to report: GFZ after 14 minutes.
18 Jan 18:52: Magnitude recalculated from 4.5 to 4.9. Hypocenter depth recalculated from 235.0 to 10.0 km (from 146 to 6.2 mi). Epicenter location corrected by 17 km (10.4 mi) towards S.
18 Jan 19:32: Now using data updates from USGS
20 Jan 19:06: Magnitude recalculated from 5.2 to 5.4. Epicenter location corrected by 6.7 km (4.2 mi) towards NE.

Earthquake details

Date & timeJan 18, 2022 18:06:47 UTC -
Local time at epicenterTuesday, Jan 18, 2022 at 7:06 am (GMT -11)
StatusConfirmed
Magnitude5.4
Depth10.0 km
Epicenter latitude / longitude63.1832°S / 160.5146°W
Antipode63.183°N / 19.485°E
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities
Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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.DepthLocationSource
5.410 kmPacific-Antarctic RidgeUSGS
5.210 kmPACIFIC-ANTARCTIC RIDGEEMSC
5.210 kmPacific Antarctic RidgeRaspberryShake
4.910 kmPacific Antarctic RidgeGFZ

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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north america / not felt : why?  
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