Mag. 3.7 earthquake - Gulf of Alaska, 19 mi south of Shumagin s Island, Aleutians East County, Alaska, USA, on Friday, 24 July 2020 at 15:39 (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 days earlier.
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Minor magnitude 3.7 earthquake at 34 km depth
24 Jul 15:52 UTC: First to report: USGS after 13 minutes.
Magnitude: 3.7
Depth: 33.7 km
Epicenter latitude / longitude: 54.9033°N / 160.1301°W

Nearest volcano: Dana (107 km / 66 mi)
Nearby towns and cities:
54 km (33 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
128 km (80 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
140 km (87 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
141 km (87 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
168 km (104 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
173 km (108 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
189 km (117 mi) SW of Chignik (pop: 87) --> See nearby quakes!
374 km (233 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
6164 km (3830 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6164 km (3830 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
30 km (19 mi) S of Shumagin s Island --> See nearby quakes!
39 km (24 mi) WNW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 34 km | 53 km SSE of Sand Point, Alaska (USA) | USGS |
M 3.7 | 34 km | Alaska Peninsula (USA) | EMSC |
User reports for this quake
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Mag. 3.7 earthquake - Gulf of Alaska, 19 mi south of Shumagin s Island, Aleutians East County, Alaska, USA, on Friday, 24 July 2020 at 15:39 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!