Weak mag. 2.8 earthquake - North Pacific Ocean, 45 mi southwest of Eureka, Humboldt County, California, USA, on Wednesday, July 21, 2021 at 10:36 (GMT) -
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Weak magnitude 2.8 earthquake at 19 km depth
21 Jul 10:38 UTC: First to report: USGS after 2 minutes.
Depth: 18.9 km
Epicenter latitude / longitude: 40.42267°N / 124.86733°W↗ (North Pacific Ocean, California, United States)
Antipode: 40.423°S / 55.133°E↗
Nearest volcano: Escanaba Segment (230 km / 143 mi)
Nearby towns and cities:
54 km (33 mi) WSW of Ferndale (pop: 1,370) --> See nearby quakes!
63 km (39 mi) WSW of Fortuna (Humboldt County) (pop: 12,000) --> See nearby quakes!
65 km (40 mi) W of Rio Dell (pop: 3,390) --> See nearby quakes!
73 km (45 mi) SW of Eureka (Humboldt County) (pop: 27,000) --> See nearby quakes!
82 km (51 mi) SW of Bayside (Humboldt County) (pop: 17,100) --> See nearby quakes!
83 km (51 mi) SW of Arcata (Humboldt County) (pop: 17,800) --> See nearby quakes!
87 km (54 mi) SW of McKinleyville (Humboldt County) (pop: 15,200) --> See nearby quakes!
95 km (59 mi) SW of Westhaven-Moonstone (pop: 1,210) --> See nearby quakes!
95 km (59 mi) WNW of Redway (pop: 1,230) --> See nearby quakes!
267 km (166 mi) SW of Ashland (Oregon) (pop: 20,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 109 joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) 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.
|2.8||19 km||50km WNW of Petrolia, CA||USGS|
|2.6||22 km||OFFSHORE NORTHERN CALIFORNIA||EMSC|
User reports for this quakeAt magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.