Moderate mag. 4.1 earthquake - Gulf of Alaska, 65 mi southeast of King Cove, Alaska, USA, on 4 Oct 12:19 pm (GMT -11) -

This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East County, Alaska, USA, 22 July 2020 06:12 GMT, which had occurred 11 semaines earlier.
Moderate mag. 4.1 earthquake - Gulf of Alaska, 65 mi southeast of King Cove, Alaska, USA, on 4 Oct 12:19 pm (GMT -11)

Séisme modéré magnitude 4.1 at 10 km depth

4 Oct 23:39 UTC: Premier à signaler: EMSC après 21 minutes.
4 Oct 23:40: Maintenant en utilisant une nouvelle source de données: USGS
5 Oct 00:42: Magnitude recalculée de 4.5 à 4.1. Profondeur recalculée de 24.4 à 10.0 km (de 15.2 à 6.2 mi). Emplacement de l'épicentre corrigé de 8.4 km (5.2 mi) au NNW.
Date & time: 4 Oct 2020 23:19:02 UTC -
Local time at epicenter: 4 Oct 12:19 pm (GMT -11)
Magnitude: 4.1
Profondeur: 10.0 km
Epicenter latitude / longitude: 54.3349°N / 161.2869°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dutton (120 km / 75 mi)
Nearby towns and cities:
104 km SE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
122 km SSO de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
132 km SE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
149 km ESE de False Pass (pop: 40) --> Voir les séismes à proximité!
185 km S de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
222 km SO de Perryville (pop: 113) --> Voir les séismes à proximité!
267 km SO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
280 km SO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
293 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
346 km E de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Few Clouds 9.4°C (49 F), humidity: 80%, wind: 4 m/s (9 kts) from SW
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 4.110 km104 Km SE of King Cove, Alaska, USAUSGS
M 4.710 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!
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Earlier earthquakes in the same area

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