Moderate mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 8 August 2020 at 12:52 (GMT) -

This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East County, Alaska, USA, 22 July 2020 06:12 GMT, which had occurred 2 weeks earlier.
Moderate mag. 5.3 earthquake  - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 8 August 2020 at 12:52 (GMT)

Moderate magnitude 5.3 earthquake at 25 km depth

8 Aug 12:58 UTC: First to report: USGS after 5 minutes.
Aug 8 13:10: Magnitude recalculated from 5.3 to 5.4.
Hypocenter depth recalculated from 2.0 to 20.6 km.
Aug 8 13:24: Magnitude recalculated from 5.4 to 5.3.
Hypocenter depth recalculated from 20.6 to 24.7 km.
Date & time: 8 Aug 2020 12:52:58 UTC -
Magnitude: 5.3
Depth: 24.7 km
Epicenter latitude / longitude: 54.8011°N / 158.2608°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Kupreanof (156 km / 97 mi)
Nearby towns and cities:
136 km (84 mi) SSE of Perryville (pop: 113) --> See nearby quakes!
154 km (96 mi) ESE of Sand Point (pop: 1,060) --> See nearby quakes!
165 km (102 mi) SSE of Chignik Lake (pop: 73) --> See nearby quakes!
169 km (105 mi) S of Chignik Lagoon (pop: 78) --> See nearby quakes!
229 km (142 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
239 km (149 mi) S of Port Heiden (pop: 98) --> See nearby quakes!
261 km (162 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
491 km (305 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6055 km (3763 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
6055 km (3763 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
65 km (41 mi) E of Simeonof Island --> See nearby quakes!
414 km (257 mi) SW of Kodiak Island (pop: 13,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 5.325 km135 km SSE of Perryville, Alaska (USA)USGS
M 5.425 kmSouth of Alaska (USA)GeoAu
M 5.420 kmSouth of Alaska (USA)GFZ
M 5.426 kmSouth Of Alaska (USA)EMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
136.3 km NNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
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Earlier earthquakes in the same area since 1900

Moderate mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 8 August 2020 at 12:52 (GMT)

Map of earlier quakes

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