Mag. 3.5 earthquake - North Pacific Ocean, 81 mi southeast of Unalaska, USA, on Wednesday, 19 August 2020 at 20:02 (GMT) -
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Minor magnitude 3.5 earthquake at 35 km depth
19 Aug 21:08 UTC: First to report: USGS after 1 hour and 5 minutes.
Aug 19 22:30: Magnitude recalculated from 3.2 to 3.5.
Hypocenter depth recalculated from 23.4 to 35.0 km.
Aug 19 22:30: Magnitude recalculated from 3.2 to 3.5.
Hypocenter depth recalculated from 23.4 to 35.0 km.
Magnitude: 3.5
Depth: 35.0 km
Epicenter latitude / longitude: 53.3789°N / 164.7458°W
(North Pacific Ocean, Alaska, United States)Nearest volcano: Akutan (97 km / 60 mi)
Nearby towns and cities:
108 km (67 mi) SE of Akutan (pop: 1,040) --> See nearby quakes!
130 km (81 mi) ESE of Unalaska (pop: 4,490) --> See nearby quakes!
186 km (115 mi) SSW of False Pass (pop: 40) --> See nearby quakes!
240 km (149 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
245 km (152 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
279 km (173 mi) ENE of Nikolski (pop: 18) --> See nearby quakes!
351 km (218 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
370 km (230 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
6507 km (4043 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6507 km (4043 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
82 km (51 mi) SSE of Tigalda Island --> See nearby quakes!
143 km (89 mi) ESE of Peter Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated 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 | 35 km | 108 km SE of Akutan, Alaska (USA) | USGS |
| M 3.5 | 35 km | Unimak Island Region, Alaska (USA) | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area
Mag. 3.5 earthquake - North Pacific Ocean, 81 mi southeast of Unalaska, USA, on Wednesday, 19 August 2020 at 20:02 (GMT)
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