Moderate mag. 4.0 earthquake - Offshore Northern California (USA) on Wednesday, 24 December 1980 at 19:40 (GMT)

Moderate mag. 4.0 earthquake - Offshore Northern California (USA) on Wednesday, 24 December 1980 at 19:40 (GMT)

Séisme modéré magnitude 4.0 at -0 km depth

Date & time: 24 Dec 1980 19:40:23 UTC
Magnitude: 4
Profondeur: -0.2 km
Epicenter latitude / longitude: 40.96117°N / 124.4605°W (Comté de Kern, États-Unis)
Volcan le plus près: Mount Shasta (196 km / 122 mi)
Nearby towns and cities:
28 km ONO de Manila (pop: 784) --> Voir les séismes à proximité!
30 km O de McKinleyville (Humboldt County) (pop: 15,200) --> Voir les séismes à proximité!
31 km NO de Eureka (Humboldt County) (pop: 27,000) --> Voir les séismes à proximité!
33 km ONO de Arcata (Humboldt County) (pop: 17,800) --> Voir les séismes à proximité!
36 km ONO de Bayside (Humboldt County) (pop: 17,100) --> Voir les séismes à proximité!
48 km NNO de Fortuna (Humboldt County) (pop: 12,000) --> Voir les séismes à proximité!
59 km NNO de Rio Dell (pop: 3,390) --> Voir les séismes à proximité!
179 km ONO de Redding (pop: 91,600) --> Voir les séismes à proximité!
4002 km ONO de Washington DC (District of Columbia) (pop: 601,700) --> Voir les séismes à proximité!
4002 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: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0-0.2 kmoffshore 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

Moderate mag. 4.0 earthquake - Offshore Northern California (USA) on Wednesday, 24 December 1980 at 19:40 (GMT)
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