Mag. 4.2 earthquake - North Pacific Ocean, 118 mi south of Sand Point, Alaska, USA, on 25 Oct 2:28 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 6 days earlier.
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Light magnitude 4.2 earthquake at 10 km depth
26 Oct 02:03 UTC: First to report: USGS after 35 minutes.
Local time at epicenter: 25 Oct 2:28 pm (GMT -11)
Magnitude: 4.2
Depth: 10.0 km
Epicenter latitude / longitude: 53.6862°N / 159.7483°W

Nearest volcano: Dutton (232 km / 144 mi)
Nearby towns and cities:
190 km (118 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
226 km (140 mi) SE of King Cove (pop: 1,010) --> See nearby quakes!
250 km (156 mi) S of Perryville (pop: 113) --> See nearby quakes!
255 km (158 mi) SE of Cold Bay (pop: 123) --> See nearby quakes!
274 km (170 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
398 km (247 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
446 km (277 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
647 km (402 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6188 km (3845 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6188 km (3845 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
123 km (76 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain
7.9°C (46 F), humidity: 88%, wind: 13 m/s (24 kts) from WNW
Primary data source: USGS (United States Geological Survey)
Light Rain

Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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 4.2 | 10 km | 190 Km SSE of Sand Point, Alaska, USA | USGS |
M 4.2 | 10 km | South Of Alaska, USA | EMSC |
User reports for this quake
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Mag. 4.2 earthquake - North Pacific Ocean, 118 mi south of Sand Point, Alaska, USA, on 25 Oct 2:28 pm (GMT -11)Click here to search our database for earlier earthquakes in the same area since 1900!