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Moderate mag. 4.6 earthquake - North Pacific Ocean, Alaska, USA, on Friday, Jan 14, 2022 at 1:22 pm (GMT -11) -

This quake was likely an aftershock of the 6.8 quake North Pacific Ocean, Alaska, USA, Jan 11, 2022 12:35 am (GMT -11), which had occurred 4 days earlier.

Moderate mag. 4.6 earthquake - North Pacific Ocean, Alaska, USA, on Friday, Jan 14, 2022 at 1:22 pm (GMT -11)

Moderate magnitude 4.6 earthquake at 16 km depth

15 Jan 00:36 UTC: First to report: GFZ after 13 minutes.
15 Jan 00:42: Now using data updates from USGS

Earthquake details

Date & time	Jan 15, 2022 00:22:52 UTC -
Local time at epicenter	Friday, Jan 14, 2022 at 1:22 pm (GMT -11)
Status	Confirmed
Magnitude	4.6
Depth	15.9 km
Epicenter latitude / longitude	52.4725°N / 168.0466°W (North Pacific Ocean, Alaska, United States)
Antipode	52.473°S / 11.953°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Recheschnoi (83 km / 52 mi)
Nearby towns and cities	76 km (47 mi) SE of Nikolski (pop: 18) \| Show on map \| Quakes nearby 186 km (115 mi) SSW of Unalaska (pop: 4,490) \| Show on map \| Quakes nearby 187 km (116 mi) SSW of Dutch Harbor (pop: 4,380) \| Show on map \| Quakes nearby 238 km (148 mi) SW of Akutan (pop: 1,040) \| Show on map \| Quakes nearby 404 km (251 mi) SW of False Pass (pop: 40) \| Show on map \| Quakes nearby 462 km (287 mi) SW of Cold Bay (pop: 123) \| Show on map \| Quakes nearby 474 km (294 mi) SW of King Cove (pop: 1,010) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 1.5°C (35 F), humidity: 54%, wind: 8 m/s (16 kts) from W
Estimated seismic energy released	5 x 10¹¹ joules (139 megawatt hours, equivalent to 120 tons of TNT) \| 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
4.6	16 km	Fox Islands, Aleutian Islands	USGS
4.6	33 km	FOX ISLANDS, ALEUTIAN ISLANDS	EMSC
4.6	16 km	Fox Islands, Aleutian Islands	RaspberryShake
4.7	10 km	75 Km SE of Nikolski, Alaska	GFZ

Most recent quakes Top 20 past 24 hrs Quakes in the US Alaska

Seismograms

Seismic station: Mount Tulik, Okmok Caldera, Alaska (OKTU/AV network) | Distance from quake: 101 km / 63 mi | Show on map | Station Info

Seismic station Mount Tulik, Okmok Caldera, 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. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Mount Tulik, Okmok Caldera, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mount Tulik, Okmok Caldera, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Pakushin Southeast, Makushin Volcano, Alaska (MAPS/AV network) | Distance from quake: 166 km / 103 mi | Show on map | Station Info

Seismic station Pakushin Southeast, Makushin Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Pakushin Southeast, Makushin Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Pakushin Southeast, Makushin Volcano, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Westdahl Peak, Westdahl Peak, Alaska (WESP/AV network) | Distance from quake: 314 km / 195 mi | Show on map | Station Info

Seismic station Westdahl Peak, Westdahl Peak, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Westdahl Peak, Westdahl Peak, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Westdahl Peak, Westdahl Peak, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Southwest, Mount Veniaminof, Alaska (VNSW/AV network) | Distance from quake: 680 km / 423 mi | Show on map | Station Info

Seismic station Southwest, Mount Veniaminof, 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. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Southwest, Mount Veniaminof, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Southwest, Mount Veniaminof, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Wolf Creek Mountain, AK, USA (K15K/AK network) | Distance from quake: 1158 km / 720 mi | Show on map | Station Info

Seismic station Wolf Creek Mountain, AK, USA: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Wolf Creek Mountain, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Wolf Creek Mountain, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

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