Mag. 3.6 earthquake - Gulf of Alaska, 55 mi south of King Cove, Alaska, USA, on Tuesday, 13 October 2020 at 03:18 (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 12 weeks earlier.
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Minor magnitude 3.6 earthquake at 35 km depth
13 Oct 03:28 UTC: First to report: USGS after 10 minutes.
14 Oct 00:20: Epicenter location corrected by 28 km (17.6 mi) towards NNW.
14 Oct 00:20: Epicenter location corrected by 28 km (17.6 mi) towards NNW.
Magnitude: 3.6
Depth: 35.0 km
Epicenter latitude / longitude: 54.2596°N / 162.3683°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Roundtop (122 km / 76 mi)
Nearby towns and cities:
89 km (55 mi) S of King Cove (pop: 1,010) --> See nearby quakes!
94 km (59 mi) SE of False Pass (pop: 40) --> See nearby quakes!
105 km (66 mi) SSE of Cold Bay (pop: 123) --> See nearby quakes!
169 km (105 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
207 km (129 mi) SSW of Nelson Lagoon (pop: 52) --> See nearby quakes!
222 km (138 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
275 km (171 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
275 km (171 mi) SW of Perryville (pop: 113) --> See nearby quakes!
6325 km (3930 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6325 km (3930 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
29 km (18 mi) SE of Sanak Island --> See nearby quakes!
73 km (45 mi) S of Deer Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
8°C (46 F), humidity: 72%, wind: 6 m/s (11 kts) from NW
Primary data source: USGS (United States Geological Survey)
Scattered Clouds
8°C (46 F), humidity: 72%, wind: 6 m/s (11 kts) from NWEstimated 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 | 35 km | 89 Km S of King Cove, Alaska, USA | USGS |
| M 3.5 | 26 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.
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. 3.6 earthquake - Gulf of Alaska, 55 mi south of King Cove, Alaska, USA, on Tuesday, 13 October 2020 at 03:18 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
