Past earthquakes in Redding, California, USA: December 2021 - list, stats and map

Updated May 21, 2022 18:59 GMT -

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Quakes during December 2021:

9 quakes above magnitude 3
36 quakes between magnitude 2 and 3
50 quakes below magnitude 2 that people normally don't feel.

During December 2021, Redding had 9 quakes of magnitude 3.0 or above and 36 quakes between 2.0 and 3.0. There were also 50 quakes below magnitude 2.0 which people don't normally feel.

Strongest quake: Mag. 3.9 | 31 mi S of Eureka, Humboldt County, California, USA -

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Hide 16 unconfirmed quakesShow 16 unconfirmed quakes

Showing quakes magnitude 0.1 or higher (111 quakes):

Date and time	Mag Depth	Nearest volcano (distance)	Location	Details	Map
Friday, December 31, 2021 GMT (1 quake)
Dec 31, 2021 10:08 am (GMT -8) (Dec 31, 2021 18:08 GMT)	1.7 22 km		11km NE of Petrolia, CA	More	Map
Thursday, December 30, 2021 GMT (1 quake)
Dec 30, 2021 10:07 am (GMT -8) (Dec 30, 2021 18:07 GMT)	2.9 7.6 km		California, USA 2 reports	More	Map
Wednesday, December 29, 2021 GMT (3 quakes)
Dec 29, 2021 6:32 am (GMT -8) (Dec 29, 2021 14:32 GMT)	2.7 5.1 km		28 mi southwest of Susanville, Lassen County, California, USA	More	Map
Dec 29, 2021 1:11 am (GMT -8) (Dec 29, 2021 09:11 GMT)	2.3 6.1 km		3km ENE of Prattville, CA	More	Map
Dec 28, 2021 7:13 pm (GMT -8) (Dec 29, 2021 03:13 GMT)	1.1 15 km		6 Km NNE of Plumas Eureka, California	More	Map
Tuesday, December 28, 2021 GMT (3 quakes)
Dec 28, 2021 3:17 pm (GMT -8) (Dec 28, 2021 23:17 GMT)	2.8 27 km		24 mi south of Eureka, Humboldt County, California, USA	More	Map
Dec 28, 2021 3:13 pm (GMT -8) (Dec 28, 2021 23:13 GMT)	1.7 27 km		13km WSW of Rio Dell, CA	More	Map
Dec 27, 2021 6:55 pm (GMT -8) (Dec 28, 2021 02:55 GMT)	1.3 4.4 km		7 Km SW of Cromberg, California	More	Map
Monday, December 27, 2021 GMT (2 quakes)
Dec 27, 2021 1:31 pm (GMT -8) (Dec 27, 2021 21:31 GMT)	? n/a		0.4 mi east of Hayfork, Trinity County, California, USA (unconfirmed) 1 report	More	Map
Dec 26, 2021 9:26 pm (GMT -8) (Dec 27, 2021 05:26 GMT)	? n/a		24 mi south of Chico, Butte County, California, USA (unconfirmed) 1 report	More	Map
Sunday, December 26, 2021 GMT (1 quake)
Dec 25, 2021 9:07 pm (GMT -8) (Dec 26, 2021 05:07 GMT)	? n/a		4.6 mi southeast of Redding, Shasta County, California, USA (unconfirmed) 1 report	More	Map
Friday, December 24, 2021 GMT (5 quakes)
Dec 24, 2021 10:30 am (GMT -8) (Dec 24, 2021 18:30 GMT)	3.0 25 km		27 mi south of Eureka, Humboldt County, California, USA	More	Map
Dec 23, 2021 11:27 pm (GMT -8) (Dec 24, 2021 07:27 GMT)	2.1 4.3 km		9km NNW of Lake Pillsbury, CA	More	Map
Dec 23, 2021 10:23 pm (GMT -8) (Dec 24, 2021 06:23 GMT)	1.6 5.7 km		7km NE of Willits, CA	More	Map
Dec 23, 2021 10:12 pm (GMT -8) (Dec 24, 2021 06:12 GMT)	2.0 2.8 km		10km NNW of Redwood Valley, CA	More	Map
Dec 23, 2021 7:01 pm (GMT -8) (Dec 24, 2021 03:01 GMT)	1.9 3.4 km		10km NNW of Redwood Valley, CA	More	Map

Estimated combined seismic energy released: 1.2 x 10¹¹ joules (33.1 megawatt hours, equivalent to 28.5 tons of TNT) | about seismic energy

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