Very strong mag. 6.1 earthquake - Gulf of Alaska, 9.2 mi east of Simeonof Island, Aleutians East, Alaska, USA, on Wednesday, 22 July 2020 at 06:16 (GMT) -

This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East, Alaska, USA, 22 July 2020 06:12 GMT, which had occurred 4 minutes earlier.
Very strong mag. 6.1 earthquake - Gulf of Alaska, 9.2 mi east of Simeonof Island, Aleutians East, Alaska, USA, on Wednesday, 22 July 2020 at 06:16 (GMT)

Very strong magnitude 6.1 earthquake at 18 km depth

Date & time: 22 Jul 2020 06:16:18 UTC -
Magnitude: 6.1
Depth: 17.7 km
Epicenter latitude / longitude: 54.9322°N / 159.0423°W (Gulf of Alaska, United States)
Nearest volcano: Stepovak Bay 2 (126 km / 78 mi)
Nearby towns and cities:
103 km (64 mi) ESE of Sand Point (pop: 1,060) --> See nearby quakes!
109 km (68 mi) S of Perryville (pop: 113) --> See nearby quakes!
148 km (92 mi) S of Chignik Lake (pop: 73) --> See nearby quakes!
156 km (97 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
210 km (130 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
225 km (140 mi) S of Port Heiden (pop: 98) --> See nearby quakes!
236 km (147 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
443 km (276 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
507 km (315 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
517 km (322 mi) SW of Saint Paul (Kodiak Island) (pop: 6,250) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) 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.
Mag.DepthLocationSource
5.911 kmSouth Of Alaska (USA)EMSC
6.118 km103 km ESE of Sand Point, Alaska (USA)USGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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