Mag. 2.9 earthquake - Gulf of Alaska, 85 mi west of Akhiok, Alaska, USA, on Saturday, 31 Oct 2020 12:55 am (GMT -8) -
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Minor magnitude 2.9 earthquake at 35 km depth
31 Oct 08:59 UTC: First to report: USGS after 4 minutes.
Local time at epicenter: Saturday, 31 Oct 2020 12:55 am (GMT -8)
Magnitude: 2.9
Depth: 35.1 km
Epicenter latitude / longitude: 56.5902°N / 156.3253°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Yantarni (71 km / 44 mi)
Nearby towns and cities:
121 km (75 mi) SSE of Ugashik (pop: 12) --> See nearby quakes!
137 km (85 mi) WSW of Akhiok (pop: 72) --> See nearby quakes!
139 km (86 mi) ENE of Chignik Lagoon (pop: 78) --> See nearby quakes!
146 km (91 mi) ESE of Port Heiden (pop: 98) --> See nearby quakes!
154 km (96 mi) ENE of Chignik Lake (pop: 73) --> See nearby quakes!
177 km (110 mi) SW of Larsen Bay (pop: 88) --> See nearby quakes!
190 km (118 mi) ENE of Perryville (pop: 113) --> See nearby quakes!
196 km (122 mi) WSW of Old Harbor (pop: 221) --> See nearby quakes!
5879 km (3653 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5879 km (3653 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
40 km (25 mi) SE of Ugaiushak Island --> See nearby quakes!
95 km (59 mi) NNW of Chirikof Island --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
3.8°C (39 F), humidity: 79%, wind: 15 m/s (28 kts) from NE
Primary data source: USGS (United States Geological Survey)
Overcast Clouds
3.8°C (39 F), humidity: 79%, wind: 15 m/s (28 kts) from NEEstimated released energy: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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 2.9 | 35 km | 121 Km SSE of Ugashik, Alaska, USA | USGS |
| M 3.1 | 67 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 2.9, 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. 2.9 earthquake - Gulf of Alaska, 85 mi west of Akhiok, Alaska, USA, on Saturday, 31 Oct 2020 12:55 am (GMT -8)
Click here to search our database for earlier earthquakes in the same area since 1900!
