Moderate mag. 5.2 earthquake - 133 Km SSE of Sand Point, Alaska, USA, on 19 Oct 10:22 am (GMT -11) -

This quake was likely an aftershock of the 7.6 quake 97 Km SE of Sand Point, Alaska, USA, 19 Oct 11.54 am (GMT -9), which had occurred 28 minutes earlier.
Moderate mag. 5.2 earthquake  - 133 Km SSE of Sand Point, Alaska, USA, on 19 Oct 10:22 am (GMT -11)

Moderate magnitude 5.2 earthquake at 24 km depth

19 Oct 21:33 UTC: First to report: USGS after 11 minutes.
19 Oct 21:38: Magnitude recalculated from 4.3 to 5.2. Hypocenter depth recalculated from 24.9 to 24.0 km (from 15.5 to 14.9 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards SSE.
Date & time: 19 Oct 2020 09:22:28 UTC -
Local time at epicenter: 19 Oct 10:22 am (GMT -11)
Magnitude: 5.2
Depth: 24.0 km
Epicenter latitude / longitude: 54.2566°N / 159.6018°W (Alaska, United States)
Nearest volcano: Dana (185 km / 115 mi)
Nearby towns and cities:
133 km (83 mi) SSE of Sand Point (pop: 1,060)
186 km (116 mi) S of Perryville (pop: 113)
196 km (122 mi) ESE of King Cove (pop: 1,010)
225 km (140 mi) ESE of Cold Bay (pop: 123)
402 km (250 mi) E of Akutan (pop: 1,040)
454 km (282 mi) E of Unalaska (pop: 4,490)
846 km (526 mi) SW of Kalifornsky (pop: 7,850)
1608 km (999 mi) W of Juneau (pop: 32,800)
Weather at epicenter at time of quake:
Few Clouds 8.1°C (47 F), humidity: 69%, wind: 6 m/s (12 kts) from WNW
Primary data source: USGS
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) More info
[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!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake 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.
MagnitudeDepthLocationSource
M 5.224 km133 Km SSE of Sand Point, Alaska, USAUSGS
M 5.220 kmSouth Of Alaska, USAEMSC
M 5.421 kmSouth of Alaska, USAGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
1000.8 km NNE of epicenter [Map] / not felt (reported through our app)
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Moderate mag. 5.2 earthquake - 133 Km SSE of Sand Point, Alaska, USA, on 19 Oct 10:22 am (GMT -11)
Volcanoes & Earthquakes - new app for Android
 

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional 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.