Mag. 3.6 earthquake - Gulf of Alaska, 66 mi south of Sand Point, Alaska, USA, on Sunday, 13 September 2020 at 19:53 (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 8 weeks earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US | Alaska | Alaska | Washington DC

Minor magnitude 3.6 earthquake at 18 km depth
13 Sep 20:04 UTC: First to report: USGS after 10 minutes.
Magnitude: 3.6
Depth: 17.5 km
Epicenter latitude / longitude: 54.387°N / 160.6835°W

Nearest volcano: Dutton (134 km / 83 mi)
Nearby towns and cities:
106 km (66 mi) S of Sand Point (pop: 1,060) --> See nearby quakes!
129 km (80 mi) SE of King Cove (pop: 1,010) --> See nearby quakes!
158 km (98 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
183 km (113 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
183 km (114 mi) ESE of False Pass (pop: 40) --> See nearby quakes!
196 km (122 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
332 km (206 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
385 km (239 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
6218 km (3864 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6218 km (3864 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
85 km (53 mi) WSW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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 3.6 | 18 km | 106 Km S of Sand Point, Alaska (USA) | USGS |
M 3.6 | 18 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.
be the first to report it!
There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area
Mag. 3.6 earthquake - Gulf of Alaska, 66 mi south of Sand Point, Alaska, USA, on Sunday, 13 September 2020 at 19:53 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!