Mag. 3.3 earthquake - Gulf of Alaska, 57 mi south of Sand Point, Alaska, USA, on Friday, 11 September 2020 at 09:18 (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 7 weeks earlier.
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Minor magnitude 3.3 earthquake at 24 km depth
11 Sep 12:44 UTC: First to report: USGS after 3 hours.
Magnitude: 3.3
Depth: 24.3 km
Epicenter latitude / longitude: 54.5368°N / 160.8447°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Dutton (115 km / 71 mi)
Nearby towns and cities:
92 km (57 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
111 km (69 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
140 km (87 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
164 km (102 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
169 km (105 mi) E of False Pass (pop: 40) --> See nearby quakes!
187 km (116 mi) SW of Perryville (pop: 113) --> See nearby quakes!
232 km (144 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
323 km (201 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6222 km (3866 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6222 km (3866 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
81 km (50 mi) SSE of Wosnesenski Island --> See nearby quakes!
88 km (54 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 | 24 km | 91 Km SSW 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Mag. 3.3 earthquake - Gulf of Alaska, 57 mi south of Sand Point, Alaska, USA, on Friday, 11 September 2020 at 09:18 (GMT)
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