Light mag. 3.3 earthquake - Gulf of Alaska, 155 mi southeast of Saint Paul, Alaska, USA, on 15 Oct 1:40 am (GMT -10) -

Light mag. 3.3 earthquake - Gulf of Alaska, 155 mi southeast of Saint Paul, Alaska, USA, on 15 Oct 1:40 am (GMT -10)

Light magnitude 3.3 earthquake at 19 km depth

15 Oct 12:47 UTC: First to report: EMSC after 1 hour and 7 minutes.
15 Oct 12:48: Now using data updates from USGS
Date & time: 15 Oct 2020 11:40:30 UTC -
Local time at epicenter: 15 Oct 1:40 am (GMT -10)
Magnitude: 3.3
Depth: 18.8 km
Epicenter latitude / longitude: 56.0724°N / 149.7568°W (Gulf of Alaska, United States)
Nearby towns and cities:
230 km (143 mi) SE of Chiniak (pop: 47) --> See nearby quakes!
250 km (155 mi) SE of Kodiak (pop: 6,250) --> See nearby quakes!
251 km (156 mi) ESE of Old Harbor (pop: 221) --> See nearby quakes!
252 km (156 mi) SE of Womens Bay (pop: 719) --> See nearby quakes!
255 km (159 mi) SE of Kodiak Station (pop: 1,300) --> See nearby quakes!
275 km (171 mi) SE of Port Lions (pop: 197) --> See nearby quakes!
288 km (179 mi) ESE of Akhiok (pop: 72) --> See nearby quakes!
292 km (181 mi) SE of Aleneva (pop: 37) --> See nearby quakes!
304 km (189 mi) ESE of Larsen Bay (pop: 88) --> See nearby quakes!
331 km (206 mi) ESE of Karluk (pop: 37) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 8.5°C (47 F), humidity: 75%, wind: 3 m/s (6 kts) from ENE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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!
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.
3.319 km230 Km SE of Chiniak, Alaska, USAUSGS
3.319 kmGulf Of Alaska, USAEMSC

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

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:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
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.