Weak mag. 3.3 earthquake - Gulf of Alaska, 29 mi east of Simeonof Island, Aleutians East County, Alaska, USA, on Friday, 24 July 2020 at 08:05 (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 2 jours earlier.
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Séisme très faible magnitude 3.3 at 28 km depth
24 Jul 11:22 UTC: Premier à signaler: USGS après 3 heures.
Jul 24 15:30: Magnitude recalculée de 3.5 à 3.3.
Profondeur recalculée de 18.7 à 28.3 km.
Jul 24 15:30: Magnitude recalculée de 3.5 à 3.3.
Profondeur recalculée de 18.7 à 28.3 km.
Date & time: 24 Jul 2020 08:05:37 UTC -
Magnitude: 3.3
Profondeur: 28.3 km
Epicenter latitude / longitude: 54.9824°N / 158.5621°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Kupreanof (138 km / 86 mi)
Nearby towns and cities:
110 km SSE de Perryville (pop: 113) --> Voir les séismes à proximité!
129 km ESE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
142 km S de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
148 km S de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
201 km ESE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
218 km S de Port Heiden (pop: 98) --> Voir les séismes à proximité!
240 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
266 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
350 km SO de Akhiok (pop: 72) --> Voir les séismes à proximité!
401 km SO de Larsen Bay (pop: 88) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 tons of TNT) More info
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.
| Magnitude | Profondeur | Location | Source |
| M 3.3 | 28 km | 109 km SSE of Perryville, Alaska (USA) | USGS |
| M 3.5 | 19 km | Alaska Peninsula (USA) | EMSC |
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