Mag. 4.6 earthquake - Gulf of Alaska, 78 mi southeast of Sand Point, Alaska, USA, on Monday, 19 Oct 2020 10:34 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 40 minutes earlier.
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Light magnitude 4.6 earthquake at 37 km depth
Local time at epicenter: Monday, 19 Oct 2020 10:34 am (GMT -11)
Magnitude: 4.6
Depth: 37.4 km
Epicenter latitude / longitude: 54.3379°N / 159.5959°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Stepovak Bay 2 (177 km / 110 mi)
Nearby towns and cities:
125 km (78 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
177 km (110 mi) S of Perryville (pop: 113) --> See nearby quakes!
193 km (120 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
211 km (131 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
220 km (137 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
222 km (138 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
230 km (143 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
252 km (157 mi) E of False Pass (pop: 40) --> See nearby quakes!
6154 km (3824 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6154 km (3824 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!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.6 | 37 km | 125 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. 4.6 earthquake - Gulf of Alaska, 78 mi southeast of Sand Point, Alaska, USA, on Monday, 19 Oct 2020 10:34 am (GMT -11)
Click here to search our database for earlier earthquakes in the same area since 1900!
