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Strong mag. 5.4 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:45 am (GMT -11) -

Strong mag. 5.4 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:45 am (GMT -11) Strong mag. 5.4 earthquake - North Pacific Ocean, Alaska, USA, on Tuesday, Jan 11, 2022 at 12:45 am (GMT -11)

Strong magnitude 5.4 earthquake at 32 km depth

11 Jan 11:58 UTC: First to report: GFZ after 12 minutes.
11 Jan 11:58: Epicenter location corrected by 6.7 km (4.1 mi) towards S.
11 Jan 12:06: Now using data updates from USGS

Earthquake details

Date & timeJan 11, 2022 11:45:55 UTC -
Local time at epicenterTuesday, Jan 11, 2022 at 12:45 am (GMT -11)
StatusConfirmed
Magnitude5.4
Depth32.2 km
Epicenter latitude / longitude52.5015°N / 168.02°W (North Pacific Ocean, Alaska, United States)
Antipode52.502°S / 11.98°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoRecheschnoi (81 km / 50 mi)
Nearby towns and cities75 km (46 mi) SE of Nikolski (pop: 18) | Show on map | Quakes nearby
182 km (113 mi) SSW of Unalaska (pop: 4,490) | Show on map | Quakes nearby
183 km (114 mi) SSW of Dutch Harbor (pop: 4,380) | Show on map | Quakes nearby
235 km (146 mi) SW of Akutan (pop: 1,040) | Show on map | Quakes nearby
401 km (249 mi) SW of False Pass (pop: 40) | Show on map | Quakes nearby
458 km (285 mi) SW of Cold Bay (pop: 123) | Show on map | Quakes nearby
470 km (292 mi) SW of King Cove (pop: 1,010) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 2.2°C (36 F), humidity: 79%, wind: 11 m/s (22 kts) from SW
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
5.432 kmFox Islands, Aleutian IslandsUSGS
5.430 kmFOX ISLANDS, ALEUTIAN ISLANDSEMSC
5.432 kmFox Islands, Aleutian IslandsRaspberryShake
5.510 kmNear AnchorageRENASS
5.510 km74 Km SE of Nikolski, AlaskaGFZ
5.419 kmFox Islands, Aleutian IslandsGeoAu

Seismograms

Seismic station: Adak, Aleutian Islands, Alaska (ADK/IU network) | Distance from quake: 594 km / 369 mi | Show on map | Station Info
Seismic station Adak, Aleutian Islands, Alaska: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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