Mag. 3.5 earthquake - 2095 mi northwest of Sacramento, California, on 27 Oct 2:30 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 8 days earlier.
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Minor magnitude 3.5 earthquake at 27 km depth
28 Oct 01:40 UTC: First to report: EMSC after 10 minutes.
28 Oct 01:40: Now using data updates from USGS
28 Oct 01:40: Now using data updates from USGS
Local time at epicenter: 27 Oct 2:30 pm (GMT -11)
Magnitude: 3.5
Depth: 26.8 km
Epicenter latitude / longitude: 54.5702°N / 159.8899°W
(Gulf of Alaska, United States)Nearest volcano: Dana (146 km / 91 mi)
Nearby towns and cities:
94 km (58 mi) SSE of Sand Point (pop: 1,060) --> See nearby quakes!
156 km (97 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
165 km (102 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
180 km (112 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
194 km (120 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
201 km (125 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
213 km (133 mi) SSW of Chignik (pop: 87) --> See nearby quakes!
385 km (239 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
6163 km (3829 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
6163 km (3829 mi) NW of Washington DC (pop: 601,700) --> See nearby quakes!
32 km (20 mi) SW of Chernabura Island --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
7.3°C (45 F), humidity: 73%, wind: 3 m/s (5 kts) from W
Primary data source: USGS (United States Geological Survey)
Overcast Clouds
7.3°C (45 F), humidity: 73%, wind: 3 m/s (5 kts) from WEstimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 27 km | 93 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.5 | 27 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. 3.5 earthquake - 2095 mi northwest of Sacramento, California, on 27 Oct 2:30 pm (GMT -11)
Click here to search our database for earlier earthquakes in the same area since 1900!
