Terremoto molto forte magnitudine 6.4 - Gulf of Alaska, 61 km a sud da Wosnesenski , Borough delle Aleutine orientali County, Alaska, Stati Uniti, mercoledì, 13 ottobre 1999

Terremoto molto forte magnitudine 6.4 - Gulf of Alaska, 61 km a sud da Wosnesenski , Borough delle Aleutine orientali County, Alaska, Stati Uniti, mercoledì, 13 ottobre 1999

Terremoto molto forte magnitudine 6.4 at 30 km depth

Data & ora: 13 Oct 1999 01:33:40 UTC
Magnitudine: 6.4
Profondità: 30.0 km
Epicentro latitudine / longitudine: 54.657°N / 161.189°W (Gulf of Alaska, Alaska, Stati Uniti)
Vulcano più vicino: Dutton (90 km / 56 mi)
Nearby towns and cities:
85 km ESE da King Cove (pop: 1,010) --> Vedi sismi vicini
87 km SSO da Sand Point (pop: 1,060) --> Vedi sismi vicini
114 km ESE da Cold Bay (pop: 123) --> Vedi sismi vicini
144 km E da False Pass (pop: 40) --> Vedi sismi vicini
149 km S da Nelson Lagoon (pop: 52) --> Vedi sismi vicini
190 km SO da Perryville (pop: 113) --> Vedi sismi vicini
235 km SO da Chignik Lake (pop: 73) --> Vedi sismi vicini
249 km SO da Chignik Lagoon (pop: 78) --> Vedi sismi vicini
303 km ENE da Akutan (pop: 1,040) --> Vedi sismi vicini
358 km ENE da Isola di Unalaska (pop: 4,490) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
MagnitudineProfonditàUbicazioneFonte
M 6.430 kmAlaska Peninsula (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from 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
verso l'alto

Aftershocks

More info
Recorded aftershocks, latest first (2 quakes):
  • 16 Dec 1999 23:51 UTC
    | M 5.6 |
    33 km (20.5 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 08 Nov 1999 10:57 UTC
    | M 5.4 |
    34.3 km (21.3 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details

verso l'alto

Earlier earthquakes in the same area

Volcanoes & Earthquakes - new app for Android
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 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.