Moderate mag. 4.9 earthquake - 47 mi south of Sand Point, Aleutians East County, Alaska, on Saturday, August 1, 2020 at 07:00 (GMT) -

This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East, Alaska, USA, July, 22 2020 06:12 GMT, which had occurred 10 days earlier.
Moderate mag. 4.9 earthquake - 47 mi south of Sand Point, Aleutians East County, Alaska, on Saturday, August 1, 2020 at 07:00 (GMT)

Moderate magnitude 4.9 earthquake at 45 km depth

1 Aug 07:14 UTC: First to report: USGS after 14 minutes.
Date & time: Aug 1, 2020 07:00:12 UTC -
Magnitude: 4.9
Depth: 45.0 km
Epicenter latitude / longitude: 54.6723°N / 160.3101°W (United States)
Antipode: 54.672°S / 19.69°E
Nearest volcano: Dana (29 km / 18 mi)
Nearby towns and cities:
75 km (47 mi) S of Sandpoint (pop: 1,060) --> See nearby quakes!
136 km (84 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
156 km (97 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
158 km (98 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
164 km (102 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
200 km (124 mi) E of False Pass (pop: 40) --> See nearby quakes!
201 km (125 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
214 km (133 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
359 km (223 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
414 km (257 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
Mag.DepthLocationSource
5.033 kmAlaska Peninsula (USA)GFZ
4.936 kmAlaska Peninsula (USA)EMSC
4.945 km74 km S of Sand Point, Alaska (USA)USGS

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!
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.