Mag. 3.4 earthquake - Gulf of Alaska, 51 mi southwest of Sand Point, Alaska, USA, on Saturday, 8 August 2020 at 16:12 (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.
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Minor magnitude 3.4 earthquake at 25 km depth
8 Aug 16:27 UTC: First to report: USGS after 15 minutes.
Magnitude: 3.4
Depth: 25.4 km
Epicenter latitude / longitude: 54.6862°N / 161.0889°W

Nearest volcano: Dutton (93 km / 58 mi)
Nearby towns and cities:
82 km (51 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
89 km (55 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
118 km (73 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
146 km (91 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
150 km (93 mi) E of False Pass (pop: 40) --> See nearby quakes!
184 km (114 mi) SW of Perryville (pop: 113) --> See nearby quakes!
228 km (142 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
310 km (192 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
6230 km (3871 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6230 km (3871 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
59 km (37 mi) SSE of Wosnesenski Island --> See nearby quakes!
99 km (62 mi) W of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 3.4 | 25 km | 81 km SSW of Sand Point, Alaska (USA) | USGS |
M 3.4 | 25 km | Alaska Peninsula (USA) | EMSC |
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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Mag. 3.4 earthquake - Gulf of Alaska, 51 mi southwest of Sand Point, Alaska, USA, on Saturday, 8 August 2020 at 16:12 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!