Sismo debile mag. 3.4 - Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, sábbato, 13 febbraio 2021 -

Questo terremoto era probabilmente un aftershock del M 5.3 terremoto: Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, Sat, 13 Feb 2021 13:08che si è verificato 11 minuti prima.
Sismo debile mag. 3.4 - Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, sábbato, 13 febbraio 2021

Sismo debile magnitudine 3.4 at 29 km depth

13 Feb 13:24 UTC: Primo a segnalare: EMSC dopo 5 minuti.
13 Feb 13:25: Ora utilizzando nuova fonte di dati: USGS
... [show all] ...
13 Feb 21:56: Magnitudine ricalcolata da 3.6 a 3.4. Profondità ricalcolata da 34.8 a 29.3 km (da 22 a 18.2 mi). Posizione dell'epicentro corretta di 13 km (8.3 mi) al NNE.
Data & ora: 13 Feb 2021 13:20:02 UTC -
Ora locale a epicentro: Saturday, 13 Feb 2021 04:20 (GMT -9)
Magnitudine: 3.4
Profondità: 29.3 km
Epicentro latitudine / longitudine: 57.1423°N / 155.0596°W (Gulf of Alaska, Alaska, Stati Uniti)
Vulcano più vicino: Unnamed 57.87°N/155.42°W (94 km / 58 mi)
Nearby towns and cities:
58 km ONO da Akhiok (pop: 72) --> Vedi sismi vicini
60 km SO da Karluk (pop: 37) --> Vedi sismi vicini
79 km SO da Larsen Bay (pop: 88) --> Vedi sismi vicini
106 km O da Old Harbor (pop: 221) --> Vedi sismi vicini
155 km OSO da Womens Bay (pop: 719) --> Vedi sismi vicini
163 km OSO da Kodiak Station (pop: 1,300) --> Vedi sismi vicini
174 km OSO da Kodiak (pop: 6,250) --> Vedi sismi vicini
345 km SO da Homer (pop: 5,520) --> Vedi sismi vicini
348 km SO da Anchor Point (pop: 1,930) --> Vedi sismi vicini
362 km SO da Fritz Creek (pop: 1,930) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds 2.8°C (37 F), humidity: 79%, wind: 13 m/s (25 kts) from E
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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.
MagnitudineProfonditàUbicazioneFonte
3.429 kmAlaska Peninsula, USAUSGS
3.635 kmALASKA PENINSULA, 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 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.