Light mag. 4.0 earthquake - Alaska, USA, on Friday, Apr 29, 2022 at 9:05 pm (GMT -8) -

Light mag. 4.0 earthquake - Alaska, USA, on Friday, Apr 29, 2022 at 9:05 pm (GMT -8) Light mag. 4.0 earthquake - Alaska, USA, on Friday, Apr 29, 2022 at 9:05 pm (GMT -8)

Light magnitude 4.0 earthquake at 42 km depth

30 Apr 05:07 UTC: First to report: USGS after 3 minutes.
30 Apr 05:08: Hypocenter depth recalculated from 34.8 to 35.0 km (from 22 to 22 mi). Epicenter location corrected by 0.9 km (0.5 mi) towards NW.
30 Apr 16:34: Magnitude recalculated from 3.8 to 4.0. Hypocenter depth recalculated from 35.0 to 41.7 km (from 22 to 26 mi). Epicenter location corrected by 0.7 km (0.4 mi) towards ESE.
Update Sat, 30 Apr 2022, 05:18
Small tremor of magnitude 3.8 just reported 44 miles south of English Bay, Alaska, United States
3.8 quake 66 mi north of Kodiak, Alaska, USA, Apr 29, 2022 9:05 pm (GMT -8)
3.8 quake 66 mi north of Kodiak, Alaska, USA, Apr 29, 2022 9:05 pm (GMT -8)
A magnitude 3.8 earthquake near English Bay, Arrondissement de Kenai Peninsula, Alaska, USA, was reported only 13 minutes ago by the United States Geological Survey, considered the key international and national agency that monitors seismic activity in the US. The earthquake occurred at a moderately shallow depth of 22 miles beneath the epicenter in the evening on Friday, April 29th, 2022, at 9:05 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.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 3.8 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.8.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include English Bay (pop. 250) located 44 miles from the epicenter.
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Earthquake data

Earthquake details

Date & timeApr 30, 2022 05:05:01 UTC -
Local time at epicenterFriday, Apr 29, 2022 at 9:05 pm (GMT -8)
StatusConfirmed
Magnitude4
Depth41.7 km
Epicenter latitude / longitude58.7268°N / 152.045°W (Gulf of Alaska, Alaska, United States)
Antipode58.727°S / 27.955°E
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoDouglas (87 km / 54 mi)
Nearby towns and cities70 km (44 mi) S of English Bay (pop: 254) | Show on map | Quakes nearby
106 km (66 mi) SSW of Homer (pop: 5,520) | Show on map | Quakes nearby
106 km (66 mi) N of Kodiak (pop: 6,250) | Show on map | Quakes nearby
112 km (69 mi) NNE of Kodiak Station (pop: 1,300) | Show on map | Quakes nearby
117 km (73 mi) S of Anchor Point (pop: 1,930) | Show on map | Quakes nearby
120 km (75 mi) SSW of Fritz Creek (pop: 1,930) | Show on map | Quakes nearby
193 km (120 mi) SSW of Kalifornsky (pop: 7,850) | Show on map | Quakes nearby
208 km (129 mi) SSW of Kenai (pop: 7,660) | Show on map | Quakes nearby
214 km (133 mi) SSW of Sterling (pop: 5,620) | Show on map | Quakes nearby
302 km (187 mi) SSW of Alaska City (pop: 298,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 5.4°C (42 F), humidity: 86%, wind: 15 m/s (29 kts) from ESE
Estimated seismic energy released6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.DepthLocationSource
4.042 km70 Km S of Nanwalek, AlaskaUSGS
4.141 kmKODIAK ISLAND REGION, ALASKAEMSC
4.042 kmKodiak Island Region, AlaskaRaspberryShake

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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