Mag. 2.9 earthquake - Offshore Northern California (USA) on Thursday, 1 January 1981 at 11:09 (GMT)

Mag. 2.9 earthquake - Offshore Northern California (USA) on Thursday, 1 January 1981 at 11:09 (GMT)

Minor magnitude 2.9 earthquake at 18 km depth

Date & time: 1 Jan 1981 11:09:44 UTC
Magnitude: 2.9
Depth: 18.0 km
Epicenter latitude / longitude: 40.416°N / 125.39617°W (California, United States)
Nearest volcano: Escanaba Segment (188 km / 117 mi)
Nearby towns and cities:
97 km (61 mi) W of Ferndale (pop: 1,370) --> See nearby quakes!
107 km (66 mi) W of Fortuna (Humboldt County) (pop: 12,000) --> See nearby quakes!
110 km (68 mi) W of Rio Dell (pop: 3,390) --> See nearby quakes!
113 km (70 mi) WSW of Eureka (Humboldt County) (pop: 27,000) --> See nearby quakes!
122 km (76 mi) WSW of Arcata (Humboldt County) (pop: 17,800) --> See nearby quakes!
122 km (76 mi) WSW of Bayside (Humboldt County) (pop: 17,100) --> See nearby quakes!
124 km (77 mi) WSW of McKinleyville (Humboldt County) (pop: 15,200) --> See nearby quakes!
234 km (145 mi) NW of Ukiah (pop: 15,900) --> See nearby quakes!
4092 km (2543 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
4092 km (2543 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: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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.
MagnitudeDepthLocationSource
M 2.918 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 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
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. 2.9 earthquake - Offshore Northern California (USA) on Thursday, 1 January 1981 at 11:09 (GMT)
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