Mag. 4.2 earthquake - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 22:51 (GMT)

Mag. 4.2 earthquake - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 22:51 (GMT)

Light magnitude 4.2 earthquake at 5 km depth

Date & time: 23 Dec 1980 22:51:30 UTC
Magnitude: 4.2
Profondeur: 5.0 km
Epicenter latitude / longitude: 41.23267°N / 125.7775°W (Comté de Kern, États-Unis)
Volcan le plus près: Central Segment (127 km / 79 mi)
Nearby towns and cities:
138 km O de Big Lagoon (pop: 93) --> Voir les séismes à proximité!
144 km ONO de Eureka (Humboldt County) (pop: 27,000) --> Voir les séismes à proximité!
144 km ONO de McKinleyville (Humboldt County) (pop: 15,200) --> Voir les séismes à proximité!
148 km ONO de Arcata (Humboldt County) (pop: 17,800) --> Voir les séismes à proximité!
150 km ONO de Bayside (Humboldt County) (pop: 17,100) --> Voir les séismes à proximité!
243 km OSO de Grants Pass (Josephine County, Oregon) (pop: 37,100) --> Voir les séismes à proximité!
270 km OSO de Medford (Oregon) (pop: 79,800) --> Voir les séismes à proximité!
294 km ONO de Redding (pop: 91,600) --> Voir les séismes à proximité!
4103 km ONO de Washington (District of Columbia) (pop: 601,700) --> Voir les séismes à proximité!
4103 km ONO de Washington DC (District of Columbia) (pop: 601,700) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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 4.25 kmoff the coast of Northern California (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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

Mag. 4.2 earthquake - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 22:51 (GMT)
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