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Weak mag. 3.6 earthquake - 56 mi west of Kodiak, Alaska, USA, on Sunday, Jul 10, 2022 at 3:10 pm (GMT -8) -

Weak mag. 3.6 earthquake - 56 mi west of Kodiak, Alaska, USA, on Sunday, Jul 10, 2022 at 3:10 pm (GMT -8) Weak mag. 3.6 earthquake - 56 mi west of Kodiak, Alaska, USA, on Sunday, Jul 10, 2022 at 3:10 pm (GMT -8)

Weak magnitude 3.6 earthquake at 41 km depth

10 Jul 23:13 UTC: First to report: USGS after 3 minutes.
11 Jul 00:12: Magnitude recalculated from 3.7 to 3.6. Hypocenter depth recalculated from 43.0 to 40.9 km (from 27 to 25 mi). Epicenter location corrected by 8 km (5 mi) towards NW.
Update Sun, 10 Jul 2022, 23:18

Small magnitude 3.7 quake hits 54 miles west of Kodiak, Alaska, United States early afternoon

3.7 quake 54 mi west of Kodiak, Alaska, USA, Jul 10, 2022 3:10 pm (GMT -8)
3.7 quake 54 mi west of Kodiak, Alaska, USA, Jul 10, 2022 3:10 pm (GMT -8)
An earthquake of magnitude 3.7 occurred only 7 minutes ago 54 miles west of Kodiak, Alaska, United States, the United States Geological Survey reported.
The quake hit at a moderately shallow depth of 27 miles beneath the epicenter near Kodiak, Kodiak Island, Alaska, USA, early afternoon on Sunday, July 10th, 2022, at 3:10 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 3.7 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.7.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Larsen Bay (pop. 88) located 10 miles from the epicenter, and Karluk (pop. 37) 23 miles away. In Port Lions (pop. 200, 38 miles away), Old Harbor (pop. 220, 39 miles away), Aleneva (pop. 37, 44 miles away), Womens Bay (pop. 720, 44 miles away), Kodiak Station (pop. 1,300, 47 miles away), Akhiok (pop. 72, 52 miles away), and Kodiak (pop. 6,300, 54 miles away), the quake was probably not felt.

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Earthquake details

Date & timeJul 10, 2022 23:10:36 UTC -
Local time at epicenterSunday, Jul 10, 2022 at 3:10 pm (GMT -8)
Depth40.9 km
Epicenter latitude / longitude57.7354°N / 153.932°W (Kodiak Island Borough, Alaska, United States)
Antipode57.735°S / 26.068°E
Shaking intensityVery weak shaking
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSnowy Mountain (80 km / 50 mi)
Nearby towns and cities22 km (14 mi) N of Larsen Bay (pop: 88) | Show on map | Quakes nearby
36 km (23 mi) ENE of Karluk (pop: 37) | Show on map | Quakes nearby
64 km (40 mi) WSW of Port Lions (pop: 197) | Show on map | Quakes nearby
70 km (44 mi) NNW of Old Harbor (pop: 221) | Show on map | Quakes nearby
75 km (47 mi) W of Womens Bay (pop: 719) | Show on map | Quakes nearby
79 km (49 mi) W of Kodiak Station (pop: 1,300) | Show on map | Quakes nearby
89 km (55 mi) N of Akhiok (pop: 72) | Show on map | Quakes nearby
91 km (56 mi) W of Kodiak (pop: 6,250) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 15.1°C (59 F), humidity: 63%, wind: 3 m/s (5 kts) from WNW
Estimated seismic energy released1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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.
3.641 km21 Km N of Larsen Bay, AlaskaUSGS
3.641 kmKodiak Island Region, AlaskaRaspberryShake


Seismic station: Old Harbor, Alaska (OHAK/AT network) | Distance from quake: 69 km / 43 mi | Show on map | Station Info
Seismic station Old Harbor, 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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