Major magnitude 6.8 earthquake - North Pacific Ocean, 57 mi west of Eureka, Humboldt County, California, USA, on Sunday, 9 February 1941 at 09:44 (GMT)
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Major magnitude 6.8 earthquake at 15 km depth
Date & time: 9 Feb 1941 09:44:09 UTC
Depth: 15.0 km
Epicenter latitude / longitude: 40.668°N / 125.244°W (North Pacific Ocean, California, United States)
Nearest volcano: Escanaba Segment (193 km / 120 mi)
Nearby towns and cities:
83 km (52 mi) W of Ferndale (pop: 1,370) --> See nearby quakes!
92 km (57 mi) W of Fortuna (Humboldt County) (pop: 12,000) --> See nearby quakes!
92 km (57 mi) W of Eureka (Humboldt County) (pop: 27,000) --> See nearby quakes!
98 km (61 mi) W of Rio Dell (pop: 3,390) --> See nearby quakes!
100 km (62 mi) WSW of Arcata (Humboldt County) (pop: 17,800) --> See nearby quakes!
101 km (63 mi) WSW of McKinleyville (Humboldt County) (pop: 15,200) --> See nearby quakes!
101 km (63 mi) W of Bayside (Humboldt County) (pop: 17,100) --> See nearby quakes!
241 km (150 mi) W of Redding (pop: 91,600) --> See nearby quakes!
329 km (205 mi) NW of Santa Rosa (pop: 175,000) --> See nearby quakes!
407 km (253 mi) NW of Concord (pop: 128,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 atomic bombs!) More info
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.
|6.8||15 km||offshore Northern California (USA)||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!
More infoRecorded aftershocks, latest first (2 quakes):
- 16 May 1941 02:36 UTC| M 4.5 |0 km (0 mi) depth|46 km (28 mi) distance| USGS | Details
- 11 Feb 1941 04:51 UTC| M 4.5 |0 km (0 mi) depth|77 km (48 mi) distance| USGS | Details