Moderate mag. 4.9 earthquake - Gulf of Alaska, 22 mi west of Chernabura Island, Aleutians East County, Alaska, USA, on Sunday, 26 July 2020 at 21:35 (GMT) -

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 5 jours earlier.
Moderate mag. 4.9 earthquake - Gulf of Alaska, 22 mi west of Chernabura Island, Aleutians East County, Alaska, USA, on Sunday, 26 July 2020 at 21:35 (GMT)

Séisme modéré magnitude 4.9 at 34 km depth

26 Jul 21:44 UTC: Premier à signaler: USGS après 9 minutes.
Profondeur recalculée de 35.0 à 33.6 km.
Date & time: 26 Jul 2020 21:35:53 UTC -
Magnitude: 4.9
Profondeur: 33.6 km
Epicenter latitude / longitude: 54.7791°N / 160.1163°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dana (112 km / 70 mi)
Nearby towns and cities:
67 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
140 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
144 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
152 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
172 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
185 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
197 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
211 km E de False Pass (pop: 40) --> Voir les séismes à proximité!
258 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
373 km ENE de Akutan (pop: 1,040) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.934 km66 km SSE of Sand Point, Alaska (USA)USGS
M 4.935 kmAlaska Peninsula (USA)EMSC
M 5.131 kmAlaska Peninsula (USA)GFZ
M 4.825 kmSouth of Alaska (USA)BMKG
M 4.923 kmAlaska Peninsula (USA)GeoAu

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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King Cove, Alaska (142.4 km WNW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Portage la Prairie, Manitoba, Canada / not felt : Clock jumped off an in tact nail on wall at Approx.11:38-40 pm local time, fell vertically and broke an item as it dropped straight down, clock clasp also undamaged, Portage la Prairie, Mb, Ca. No other continental phenomena or closer quakes on july 26, 2020. No audible Buzz, hum or Low rumble as during other continental quakes. No trains or trucks passing. No shaking of any kind. 2/16th edge on nail head. Possibly related to this quake, or pre-quake Tremor?
Chignik Bay / Very weak shaking (MMI II)
Chignik Bay / Very weak shaking (MMI II)
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