Mag. 3.5 earthquake - 76 mi southeast of Sand Point, Alaska, on Monday, 16 Nov 2020 1:37 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 4 weeks earlier.
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Minor magnitude 3.5 earthquake at 22 km depth
17 Nov 00:46 UTC: First to report: USGS after 9 minutes.
17 Nov 00:53: Magnitude recalculated from 3.3 to 3.5. Hypocenter depth recalculated from 4.3 to 21.9 km (from 2.7 to 13.6 mi). Epicenter location corrected by 7.3 km (4.6 mi) towards SE.
17 Nov 00:53: Magnitude recalculated from 3.3 to 3.5. Hypocenter depth recalculated from 4.3 to 21.9 km (from 2.7 to 13.6 mi). Epicenter location corrected by 7.3 km (4.6 mi) towards SE.
Local time at epicenter: Monday, 16 Nov 2020 1:37 pm (GMT -11)
Magnitude: 3.5
Depth: 21.9 km
Epicenter latitude / longitude: 54.3416°N / 159.6899°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Dana (167 km / 104 mi)
Nearby towns and cities:
122 km (76 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
178 km (111 mi) S of Perryville (pop: 113) --> See nearby quakes!
187 km (116 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
208 km (129 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
216 km (134 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
221 km (137 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
232 km (144 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
396 km (246 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6159 km (3827 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
6159 km (3827 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
50 km (31 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
3.8°C (39 F), humidity: 71%, wind: 3 m/s (5 kts) from SSW
Primary data source: USGS (United States Geological Survey)
Few Clouds
3.8°C (39 F), humidity: 71%, wind: 3 m/s (5 kts) from SSWEstimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 22 km | 122 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.5 | 22 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. 3.5 earthquake - 76 mi southeast of Sand Point, Alaska, on Monday, 16 Nov 2020 1:37 pm (GMT -11)
Click here to search our database for earlier earthquakes in the same area since 1900!
