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Mag. 1.3 quake - 44 Km W of Port Lions, Alaska, on Friday, Aug 5, 2022 06:17 am (GMT -8) -

Minor magnitude 1.3 earthquake at 36 km depth

5 Aug 14:20 UTC: First to report: USGS after 3 minutes.

Earthquake details

Date & time	Aug 5, 2022 14:17:23 UTC -
Local time at epicenter	Friday, Aug 5, 2022 06:17 am (GMT -8)
Status	Confirmed
Magnitude	1.3
Depth	35.9 km
Epicenter latitude / longitude	57.9128°N / 153.6248°W Alaska, United States
Antipode	57.9128°S / 26.3752°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Steller (73 km / 45 mi)
Weather at epicenter at time of quake	Moderate Rain 11.5°C (53 F), humidity: 98%, wind: 4 m/s (8 kts) from WSW
Estimated seismic energy released	5.6 x 10⁶ joules (1.56 kilowatt hours) \| about seismic energy

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Nearby places

Distance	Place	Max. shaking intensity(*)	Region	Country
44 km (27 mi) E of epicenter	Port Lions (pop: 197)	Not felt	Kodiak Island Borough, Alaska	United States
45 km (28 mi) ENE of epicenter	Aleneva (pop: 37)	Not felt	Kodiak Island Borough, Alaska	United States
46 km (29 mi) SSW of epicenter	Larsen Bay (pop: 88)	Not felt	Kodiak Island Borough, Alaska	United States
62 km (39 mi) ESE of epicenter	Womens Bay (pop: 719)	Not felt	Kodiak Island Borough, Alaska	United States
63 km (39 mi) ESE of epicenter	Kodiak Station (pop: 1,300)	Not felt	Kodiak Island Borough, Alaska	United States
73 km (46 mi) E of epicenter	Kodiak (pop: 6,250)	Not felt	Alaska	United States
73 km (46 mi) E of epicenter	Saint Paul (pop: 6,250)	Not felt	Kodiak Island Borough, Alaska	United States
81 km (50 mi) SSE of epicenter	Old Harbor (pop: 221)	Not felt	Kodiak Island Borough, Alaska	United States

Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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	Time GMT	Epicenter	Agency
1.3	36 km (22 mi)	2022-08-5 14:17:23	44 Km W of Port Lions, Alaska	USGS (United States Geological Survey)
1.3	36 km (22 mi)	2022-08-5 14:17:23	Kodiak Island Region, Alaska 0 km (0 mi) epicenter difference with USGS	RaspberryShake (RaspberryShake)

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

Seismograms

Seismic station: Kodiak Island, Alaska, USA (KDAK/II network) | Distance from quake: 63 km / 39 mi | Show on map | Station Info

Seismic station Kodiak Island, Alaska, 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Kodiak Island, Alaska, USA: 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: Katmai Barrier Ridge Two, Alaska (KAB2/AV network) | Distance from quake: 83 km / 52 mi | Show on map | Station Info

Seismic station Katmai Barrier Ridge Two, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Katmai Barrier Ridge Two, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Katmai Barrier Ridge Two, 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: Katmai, Alaska (KAWH/AV network) | Distance from quake: 87 km / 54 mi | Show on map | Station Info

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

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

Seismic station Katmai, 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: Mageik Landslide, Katmai, Volcanic Group, Alaska (MGLS/AV network) | Distance from quake: 94 km / 58 mi | Show on map | Station Info

Seismic station Mageik Landslide, Katmai, Volcanic Group, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Mageik Landslide, Katmai, Volcanic Group, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mageik Landslide, Katmai, Volcanic Group, 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: KABU - Katmai Volcanic Cluster, Alaska (KABU/AV network) | Distance from quake: 105 km / 65 mi | Show on map | Station Info

Seismic station KABU - Katmai Volcanic Cluster, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station KABU - Katmai Volcanic Cluster, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station KABU - Katmai Volcanic Cluster, 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 1.3, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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