Mag. 3.8 earthquake - Offshore Northern California (USA) on Tuesday, 11 November 1980 at 09:21 (GMT)

Mag. 3.8 earthquake  - Offshore Northern California (USA) on Tuesday, 11 November 1980 at 09:21 (GMT)

Minor magnitude 3.8 earthquake at 28 km depth

Date & time: 11 Nov 1980 09:21:30 UTC###AGESTRINGCOPY###
Magnitude: 3.8
Depth: 27.6 km
Epicenter latitude / longitude: 40.9035°N / 124.4155°W (California, United States)
Nearest volcano: Mount Shasta (194 km / 121 mi)
Nearby towns and cities:
21 km (13 mi) WNW of Samoa (Humboldt County) (pop: 258)
24 km (15 mi) WNW of Eureka (Humboldt County) (pop: 27,000)
27 km (17 mi) W of McKinleyville (Humboldt County) (pop: 15,200)
29 km (18 mi) NNW of Indianola (Humboldt County) (pop: 823)
31 km (19 mi) WSW of Westhaven-Moonstone (Humboldt County) (pop: 1,210)
40 km (25 mi) NNW of Fortuna (Humboldt County) (pop: 12,000)
174 km (108 mi) WNW of Redding (Shasta County) (pop: 91,600)
359 km (223 mi) NW of Sacramento (pop: 490,700)
Primary data source: USGS
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) [learn more]
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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.
M 3.828 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

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Earlier earthquakes in the same area

Mag. 3.8 earthquake - Offshore Northern California (USA) on Tuesday, 11 November 1980 at 09:21 (GMT)
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