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Minor mag. 0.5 earthquake - Fox Islands, Aleutian Islands, Alaska, on Monday, Sep 19, 2022 at 12:12 am (GMT -8) -

Minor magnitude 0.5 earthquake at 18 km depth

19 Sep 21:20 UTC: First to report: RaspberryShake after 13 hours.
19 Sep 21:22: Now using data updates from USGS

Earthquake details

Date & time	Sep 19, 2022 08:12:18 UTC -
Local time at epicenter	Monday, Sep 19, 2022 at 12:12 am (GMT -8)
Status	Confirmed
Magnitude	0.5
Depth	17.7 km
Epicenter latitude / longitude	54.089°N / 165.97317°W (Alaska, United States)
Antipode	54.089°S / 14.027°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Akutan (5 km / 3 mi)
Nearby towns and cities	14 km (9 mi) WSW of Akutan (pop: 1,040) \| Show on map \| Quakes nearby 43 km (27 mi) ENE of Dutch Harbor (pop: 4,380) \| Show on map \| Quakes nearby 44 km (27 mi) NE of Unalaska (pop: 4,490) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	3.5 x 10⁵ joules (0.099 kilowatt hours) \| 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
0.5	18 km	Fox Islands, Aleutian Islands, Alaska	USGS
0.5	18 km	Fox Islands, Aleutian Islands	RaspberryShake

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

Seismograms

Seismic station: Zero, Akutan Volcano, Alaska (ZRO/AV network) | Distance from quake: 0 km / 0 mi | Show on map | Station Info

Seismic station Zero, Akutan Volcano, 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Zero, Akutan Volcano, 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: Akutan Morgan, Akutan Volcano, Alaska (AKMO/AV network) | Distance from quake: 3 km / 2 mi | Show on map | Station Info

Seismic station Akutan Morgan, Akutan Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Akutan Morgan, Akutan 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: Akutan Broiad Bright, Akutan Volcano, Alaska (AKBB/AV network) | Distance from quake: 3 km / 2 mi | Show on map | Station Info

Seismic station Akutan Broiad Bright, Akutan Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Akutan Broiad Bright, Akutan Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Akutan Broiad Bright, Akutan 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: Akutan Volcano, Akutan Volcano, Alaska (AKV/AV network) | Distance from quake: 4 km / 3 mi | Show on map | Station Info

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

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

Seismic station Akutan Volcano, Akutan 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: Akutan Reef Bight, Akutan Volcano, Alaska (AKRB/AV network) | Distance from quake: 8 km / 5 mi | Show on map | Station Info

Seismic station Akutan Reef Bight, Akutan Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Akutan Reef Bight, Akutan Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Akutan Reef Bight, Akutan 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

User reports for this quake

At magnitude 0.5, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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