Mag. 1.9 earthquake - Offshore Northern California (USA) on Sunday, 7 December 1980 at 09:39 (GMT)

Mag. 1.9 earthquake - Offshore Northern California (USA) on Sunday, 7 December 1980 at 09:39 (GMT)

Minor magnitude 1.9 earthquake at 4 km depth

Date & time: 7 Dec 1980 09:39:26 UTC
Magnitude: 1.9
Depth: 4.0 km
Epicenter latitude / longitude: 40.41117°N / 125.49833°W (California, United States)
Nearest volcano: Escanaba Segment (180 km / 112 mi)
Nearby towns and cities:
106 km (66 mi) W of Ferndale (pop: 1,370) --> See nearby quakes!
115 km (72 mi) W of Fortuna (Humboldt County) (pop: 12,000) --> See nearby quakes!
118 km (73 mi) W of Rio Dell (pop: 3,390) --> See nearby quakes!
121 km (75 mi) WSW of Eureka (Humboldt County) (pop: 27,000) --> See nearby quakes!
130 km (81 mi) WSW of Arcata (Humboldt County) (pop: 17,800) --> See nearby quakes!
130 km (81 mi) WSW of Bayside (Humboldt County) (pop: 17,100) --> See nearby quakes!
132 km (82 mi) WSW of McKinleyville (Humboldt County) (pop: 15,200) --> See nearby quakes!
241 km (150 mi) NW of Ukiah (pop: 15,900) --> See nearby quakes!
4101 km (2548 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
4101 km (2548 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4.5 x 107 joules (12.4 kilowatt hours) 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.
MagnitudeDepthLocationSource
M 1.94 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.
At magnitude 1.9, this quake was too small to be felt by humans, but it was recorded instrumentally.
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. 1.9 earthquake - Offshore Northern California (USA) on Sunday, 7 December 1980 at 09:39 (GMT)
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