Mag. 3.3 earthquake - 66 miles SSE of Sand Point, Alaska, on Tuesday, 3 Nov 2020 2:30 am (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 2 weeks earlier.
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Minor magnitude 3.3 earthquake at 20 km depth
3 Nov 21:38 UTC: First to report: USGS after 8 hours.
3 Nov 21:38: Hypocenter depth recalculated from 33.2 to 19.5 km (from 21 to 12.1 mi). Epicenter location corrected by 24 km (15 mi) towards WNW.
3 Nov 21:38: Hypocenter depth recalculated from 33.2 to 19.5 km (from 21 to 12.1 mi). Epicenter location corrected by 24 km (15 mi) towards WNW.
Local time at epicenter: Tuesday, 3 Nov 2020 2:30 am (GMT -11)
Magnitude: 3.3
Depth: 19.5 km
Epicenter latitude / longitude: 54.4747°N / 159.7951°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Dana (158 km / 98 mi)
Nearby towns and cities:
106 km (66 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
165 km (103 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
175 km (108 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
192 km (119 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
203 km (126 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
209 km (130 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
221 km (137 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
236 km (147 mi) E of False Pass (pop: 40) --> See nearby quakes!
6161 km (3828 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6161 km (3828 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
38 km (24 mi) SSW of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
8.3°C (47 F), humidity: 90%, wind: 9 m/s (18 kts) from SW
Primary data source: USGS (United States Geological Survey)
Scattered Clouds
8.3°C (47 F), humidity: 90%, wind: 9 m/s (18 kts) from SWEstimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 3.3 | 20 km | 106 Km SSE of Sand Point, Alaska, USA | USGS |
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. 3.3 earthquake - 66 miles SSE of Sand Point, Alaska, on Tuesday, 3 Nov 2020 2:30 am (GMT -11)
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