Mag. 3.6 earthquake - Gulf of Alaska, 67 mi southeast of Sand Point, Alaska, USA, on 27 Oct 2:47 pm (GMT -11) -
This quake was likely an aftershock of the 7.6 quake Gulf of Alaska, 60 mi southeast of Sand Point, Aleutians East County, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 8 days earlier.
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Minor magnitude 3.6 earthquake at 28 km depth
28 Oct 02:05 UTC: First to report: USGS after 17 minutes.
Local time at epicenter: 27 Oct 2:47 pm (GMT -11)
Magnitude: 3.6
Depth: 27.9 km
Epicenter latitude / longitude: 54.4994°N / 159.6316°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Stepovak Bay 2 (159 km / 99 mi)
Nearby towns and cities:
108 km (67 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
160 km (99 mi) S of Perryville (pop: 113) --> See nearby quakes!
183 km (114 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
195 km (121 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
203 km (126 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
212 km (132 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
213 km (132 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
401 km (249 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6150 km (3821 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
6150 km (3821 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
32 km (20 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
7.3°C (45 F), humidity: 72%, wind: 3 m/s (5 kts) from WNW
Primary data source: USGS (United States Geological Survey)
Overcast Clouds
7.3°C (45 F), humidity: 72%, wind: 3 m/s (5 kts) from WNWEstimated 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 | 28 km | 108 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.6 | 28 km | South Of Alaska, 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. 3.6 earthquake - Gulf of Alaska, 67 mi southeast of Sand Point, Alaska, USA, on 27 Oct 2:47 pm (GMT -11)
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