Light mag. 4.3 earthquake - Gulf of Alaska, 75 mi southeast of Sand Point, Alaska, USA, on 20 Oct 9:23 am (GMT -11) -

Light mag. 4.3 earthquake - Gulf of Alaska, 75 mi southeast of Sand Point, Alaska, USA, on 20 Oct 9:23 am (GMT -11)

Séisme faible magnitude 4.3 at 29 km depth

20 Oct 20:52 UTC: Premier à signaler: USGS après 29 minutes.
Date & time: 20 Oct 2020 20:23:43 UTC -
Local time at epicenter: 20 Oct 9:23 am (GMT -11)
Magnitude: 4.3
Profondeur: 28.5 km
Epicenter latitude / longitude: 54.3649°N / 159.6544°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dana (173 km / 107 mi)
Nearby towns and cities:
121 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
175 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
188 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
217 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
218 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
228 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
399 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
452 km E de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
578 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
589 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Overcast Clouds 7.2°C (45 F), humidity: 64%, wind: 4 m/s (8 kts) from E
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.329 km120 Km SSE of Sand Point, Alaska, USAUSGS
M 4.328 kmSouth Of Alaska, USAEMSC
M 3.79 kmSouth Of Alaska, 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 since 1900


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