Mag. 4.8 earthquake - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 23:10 (GMT)

Mag. 4.8 earthquake  - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 23:10 (GMT)

Light magnitude 4.8 earthquake at 5 km depth

Date & time: 23 Dec 1980 11:10:22 UTC###AGESTRINGCOPY###
Magnitude: 4.8
Depth: 5.0 km
Epicenter latitude / longitude: 41.02233°N / 125.43917°W (California, United States)
Nearest volcano: Central Segment (163 km / 101 mi)
Nearby towns and cities:
110 km (68 mi) WNW of Eureka (Humboldt County) (pop: 27,000)
113 km (70 mi) W of McKinleyville (Humboldt County) (pop: 15,200)
118 km (73 mi) WNW of Fortuna (Humboldt County) (pop: 12,000)
132 km (82 mi) SW of Crescent City (Del Norte County) (pop: 6,770)
150 km (93 mi) SW of Brookings (Curry County, Oregon) (pop: 6,480)
261 km (162 mi) W of Redding (pop: 91,600)
433 km (269 mi) NW of Sacramento (pop: 490,700)
445 km (276 mi) NW of San Francisco (pop: 864,800)
Primary data source: USGS
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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.
M 4.85 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. 4.8 earthquake - Off the Coast of Northern California (USA) on Tuesday, 23 December 1980 at 23:10 (GMT)
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