Moderate mag. 5.5 earthquake - Gulf of Alaska, 17 mi south of Sand Point, Aleutians East County, Alaska, USA, on Monday, 27 July 2020 at 19:34 (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 6 jours earlier.
Moderate mag. 5.5 earthquake - Gulf of Alaska, 17 mi south of Sand Point, Aleutians East County, Alaska, USA, on Monday, 27 July 2020 at 19:34 (GMT)

Séisme modéré magnitude 5.5 at 44 km depth

27 Jul 19:39 UTC: Premier à signaler: USGS après 5 minutes.
Jul 27 19:48: Magnitude recalculée de 5.4 à 5.5.
Profondeur recalculée de 28.0 à 44.1 km.
Date & time: 27 Jul 2020 19:34:39 UTC -
Magnitude: 5.5
Profondeur: 44.1 km
Epicenter latitude / longitude: 55.0965°N / 160.4806°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dana (93 km / 58 mi)
Nearby towns and cities:
27 km S de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
110 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
117 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
124 km SO de Perryville (pop: 113) --> Voir les séismes à proximité!
143 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
168 km SO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
182 km SO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
236 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
357 km ENE de Akutan (pop: 1,040) --> Voir les séismes à proximité!
414 km ENE de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) 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 5.544 km26 km S of Sand Point, Alaska (USA)USGS
M 5.447 kmAlaska Peninsula (USA)GFZ
M 5.560 kmAlaska Peninsula (USA)EMSC
M 5.546 kmAlaska Peninsula (USA)GeoAu
M 4.9513 kmUnimak Island Region, Alaska (USA)BMKG
M 5.550 kmAlaska Peninsula (USA)BMKG

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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188.7 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Perryville (123 km NE of epicenter) [Map] / Weak shaking (MMI III) : light shaking (reported through our app)
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Earlier earthquakes in the same area

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