Moderate mag. 4.7 earthquake - Gulf of Alaska, 60 mi west of Akhiok, Alaska, USA, on 19 Oct 8:07 pm (GMT -8) -

Moderate mag. 4.7 earthquake - Gulf of Alaska, 60 mi west of Akhiok, Alaska, USA, on 19 Oct 8:07 pm (GMT -8)

Séisme modéré magnitude 4.7 at 0 km depth

20 Oct 04:12 UTC: Premier à signaler: USGS après 5 minutes.
20 Oct 04:17: Magnitude recalculée de 3.7 à 4.7. Profondeur recalculée de 15.3 à 0.1 km (de 9.5 à 0.1 mi). Emplacement de l'épicentre corrigé de 389 km (242 mi) au NE.
Date & time: 20 Oct 2020 04:07:34 UTC -
Local time at epicenter: 19 Oct 8:07 pm (GMT -8)
Magnitude: 4.7
Profondeur: 0.1 km
Epicenter latitude / longitude: 56.9487°N / 155.7547°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dana (195 km / 121 mi)
Nearby towns and cities:
96 km O de Akhiok (pop: 72) --> Voir les séismes à proximité!
210 km OSO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
222 km OSO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
344 km NE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
387 km SO de Homer (pop: 5,520) --> Voir les séismes à proximité!
389 km SO de Anchor Point (pop: 1,930) --> Voir les séismes à proximité!
405 km SO de Fritz Creek (pop: 1,930) --> Voir les séismes à proximité!
464 km SO de Kalifornsky (pop: 7,850) --> Voir les séismes à proximité!
478 km SO de Soldotna (pop: 4,540) --> Voir les séismes à proximité!
492 km SO de Sterling (pop: 5,620) --> Voir les séismes à proximité!
146 km OSO de Kodiak Island (pop: 13,600) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Clear Sky 8.3°C (47 F), humidity: 71%, wind: 5 m/s (10 kts) from NNW
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
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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.
MagnitudeProfondeurLocationSource
M 4.70.1 km96 Km W of Akhiok, Alaska, USAUSGS
M 5.68 kmSouth Of Alaska, USAEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
388.4 km NE of epicenter [Map] / not felt (reported through our app)
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Earlier earthquakes in the same area

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