Weak mag. 3.3 earthquake - 137 Km SSE of Sand Point, Alaska, USA, on 20 Oct 6:53 am (GMT -11) -
This quake was likely an aftershock of the 7.6 quake 97 Km SE of Sand Point, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 21 heures earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska | Alaska
Séisme très faible magnitude 3.3 at 20 km depth
20 Oct 18:18 UTC: Premier à signaler: USGS après 25 minutes.
Date & time: 20 Oct 2020 17:53:53 UTC -
Local time at epicenter: 20 Oct 6:53 am (GMT -11)
Magnitude: 3.3
Profondeur: 20.3 km
Epicenter latitude / longitude: 54.2184°N / 159.6066°W
(Alaska, États-Unis)Volcan le plus près: Dana (189 km / 117 mi)
Nearby towns and cities:
137 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
191 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
198 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
223 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
227 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
233 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
242 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
255 km ESE de False Pass (pop: 40) --> Voir les séismes à proximité!
309 km S de Port Heiden (pop: 98) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Broken Clouds
7°C (45 F), humidity: 65%, wind: 4 m/s (8 kts) from NE
Primary data source: USGS (United States Geological Survey)Broken Clouds
7°C (45 F), humidity: 65%, wind: 4 m/s (8 kts) from NEEstimated 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 | 20 km | 137 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.3 | 20 km | South Of Alaska, USA | EMSC |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
