Mag. 4.4 earthquake - Gulf of Alaska, 66 mi southeast of Sand Point, Alaska, USA, on 19 Oct 11:38 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 1 hour and 44 minutes earlier.
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Light magnitude 4.4 earthquake at 31 km depth
19 Oct 23:11 UTC: First to report: USGS after 33 minutes.
Local time at epicenter: 19 Oct 11:38 am (GMT -11)
Magnitude: 4.4
Depth: 31.4 km
Epicenter latitude / longitude: 54.5249°N / 159.6074°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Stepovak Bay 2 (157 km / 98 mi)
Nearby towns and cities:
107 km (66 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
157 km (98 mi) S of Perryville (pop: 113) --> See nearby quakes!
184 km (114 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
200 km (124 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
212 km (132 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
402 km (250 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
456 km (284 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
575 km (357 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6147 km (3820 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6147 km (3820 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
29 km (18 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
8.2°C (47 F), humidity: 73%, wind: 7 m/s (14 kts) from WNW
Primary data source: USGS (United States Geological Survey)
Few Clouds
8.2°C (47 F), humidity: 73%, wind: 7 m/s (14 kts) from WNWEstimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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 4.4 | 31 km | 106 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.8 | 32 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. 4.4 earthquake - Gulf of Alaska, 66 mi southeast of Sand Point, Alaska, USA, on 19 Oct 11:38 am (GMT -11)
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