Strong mag. 6.5 earthquake - 87km SSW of Atka, Alaska on Wednesday, 4 September 2013

Forte terremoto magnitudine 6.5 - Bering Sea, 77 km a sud ovest da Atka, Aleutians West County, Alaska, Stati Uniti, mercoledì, 04 settembre 2013

Questo terremoto era probabilmente un aftershock del M 7.0 terremoto: Bering Sea, 42 km a sud da Ikiginak , Aleutians West County, Alaska, Stati Uniti Fri, 30 Aug 2013 16:25 che si è verificato 4 giorni prima.
Forte terremoto magnitudine 6.5 - Bering Sea, 77 km a sud ovest da Atka, Aleutians West County, Alaska, Stati Uniti, mercoledì, 04 settembre 2013

Strong magnitude 6.5 earthquake at 40 km depth

4 Sep 02:37 UTC: Primo a segnalare: USGS dopo 5 minuti.
Data & ora: 4 Sep 2013 02:32:33 UTC
Ora locale a epicentro: Tuesday, September 03, 2013 14:32:33
Magnitudine: 6.5
Profondità: 39.9 km
Epicentro latitudine / longitudine: 51.5917°N / 174.7596°W (Bering Sea, Alaska, Stati Uniti)
Vulcano più vicino: Sergief (67 km / 42 mi)
Nearby towns and cities:
77 km SSO da Atka (pop: 64) --> Vedi sismi vicini
133 km ESE da Adak (pop: 332) --> Vedi sismi vicini
428 km OSO da Nikolski (pop: 18) --> Vedi sismi vicini
7199 km NO da Washington DC (District of Columbia) (pop: 601,700) --> Vedi sismi vicini
7199 km NO da Washington DC (District of Columbia) (pop: 601,700) --> Vedi sismi vicini
64 km SSO da Atka Island --> Vedi sismi vicini
101 km ESE da Tannak Island --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) 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.
M 6.540 km77km SSW of Atka, AlaskaUSGS
M 6.510 kmAndreanof Islands, Aleutian IslandsGFZ
M 6.540 kmSSW of Atka, AlaskaGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
london / Violent shaking (MMI IX) : it brucked me up
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - Bering Sea, 48 mi southwest of Atka, Aleutians West County, Alaska, USA, on Tuesday, September 03, 2013 14:32:33
Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?

Support us - Help us upgrade our server!

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.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc 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! With best regards from the VolcanoDiscovery team.
Copyrights: VolcanoDiscovery e da altre fonti come indicato.
Uso di materiale: 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.