Mag. 3.3 earthquake - Gulf of Alaska, 56 mi south of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 1 August 2020 at 01:17 (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 10 days earlier.
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Minor magnitude 3.3 earthquake at 11 km depth
1 Aug 01:26 UTC: First to report: USGS after 9 minutes.
Magnitude: 3.3
Depth: 10.8 km
Epicenter latitude / longitude: 54.5664°N / 160.9012°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Dutton (110 km / 68 mi)
Nearby towns and cities:
89 km (56 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
106 km (66 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
135 km (84 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
161 km (100 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
164 km (102 mi) E of False Pass (pop: 40) --> See nearby quakes!
186 km (116 mi) SW of Perryville (pop: 113) --> See nearby quakes!
231 km (144 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
320 km (199 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6224 km (3867 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6224 km (3867 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
76 km (47 mi) SSE of Wosnesenski Island --> See nearby quakes!
90 km (56 mi) WSW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 3.3 | 10.8 km | 89 km SSW of Sand Point, Alaska (USA) | USGS |
| M 3.3 | 11 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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Earlier earthquakes in the same area
Mag. 3.3 earthquake - Gulf of Alaska, 56 mi south of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 1 August 2020 at 01:17 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
