Mag. 4.3 earthquake - North Pacific Ocean, 96 mi south of Sand Point, Alaska, USA, on 27 Oct 9:47 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 8 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US | Alaska | Alaska | Washington DC
Light magnitude 4.3 earthquake at 19 km depth
27 Oct 21:41 UTC: First to report: USGS after 54 minutes.
Local time at epicenter: 27 Oct 9:47 am (GMT -11)
Magnitude: 4.3
Depth: 19.4 km
Epicenter latitude / longitude: 54.0445°N / 159.632°W
(North Pacific Ocean, Alaska, United States)Nearest volcano: Dana (204 km / 127 mi)
Nearby towns and cities:
154 km (96 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
207 km (129 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
210 km (130 mi) S of Perryville (pop: 113) --> See nearby quakes!
236 km (147 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
401 km (249 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
452 km (281 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
602 km (374 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
613 km (381 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
6167 km (3832 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6167 km (3832 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
83 km (51 mi) S of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
7.8°C (46 F), humidity: 75%, wind: 3 m/s (6 kts) from NW
Primary data source: USGS (United States Geological Survey)
Broken Clouds
7.8°C (46 F), humidity: 75%, wind: 3 m/s (6 kts) from NWEstimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3 | 19 km | 154 Km SSE of Sand Point, Alaska, USA | USGS |
| M 4.3 | 19 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Mag. 4.3 earthquake - North Pacific Ocean, 96 mi south of Sand Point, Alaska, USA, on 27 Oct 9:47 am (GMT -11)
Click here to search our database for earlier earthquakes in the same area since 1900!
