Mag. 2.8 earthquake - Gulf of Alaska, 62 mi west of Akhiok, Alaska, USA, on Saturday, 31 Oct 2020 3:00 pm (GMT -8) -
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Minor magnitude 2.8 earthquake at 16 km depth
31 Oct 23:05 UTC: First to report: USGS after 5 minutes.
31 Oct 23:09: Hypocenter depth recalculated from 15.9 to 16.2 km (from 9.9 to 10.1 mi).
31 Oct 23:09: Hypocenter depth recalculated from 15.9 to 16.2 km (from 9.9 to 10.1 mi).
Local time at epicenter: Saturday, 31 Oct 2020 3:00 pm (GMT -8)
Magnitude: 2.8
Depth: 16.2 km
Epicenter latitude / longitude: 57.0112°N / 155.8243°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Kialagvik (60 km / 37 mi)
Nearby towns and cities:
101 km (62 mi) W of Akhiok (pop: 72) --> See nearby quakes!
103 km (64 mi) SW of Karluk (pop: 37) --> See nearby quakes!
110 km (68 mi) ESE of Ugashik (pop: 12) --> See nearby quakes!
126 km (78 mi) WSW of Larsen Bay (pop: 88) --> See nearby quakes!
154 km (95 mi) W of Old Harbor (pop: 221) --> See nearby quakes!
163 km (101 mi) SE of Egegik (pop: 106) --> See nearby quakes!
193 km (120 mi) SSE of King Salmon (pop: 374) --> See nearby quakes!
204 km (126 mi) WSW of Womens Bay (pop: 719) --> See nearby quakes!
5837 km (3627 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5837 km (3627 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
68 km (42 mi) ENE of Ugaiushak Island --> See nearby quakes!
96 km (60 mi) ENE of Sutwik Island --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
1.8°C (35 F), humidity: 78%, wind: 13 m/s (25 kts) from NNW
Primary data source: USGS (United States Geological Survey)
Clear Sky
1.8°C (35 F), humidity: 78%, wind: 13 m/s (25 kts) from NNWEstimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 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 2.8 | 16 km | 100 Km W of Akhiok, Alaska, USA | USGS |
| M 3.0 | 10 km | Alaska Peninsula, USA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
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. 2.8 earthquake - Gulf of Alaska, 62 mi west of Akhiok, Alaska, USA, on Saturday, 31 Oct 2020 3:00 pm (GMT -8)
Click here to search our database for earlier earthquakes in the same area since 1900!
