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Minor mag. 0.8 earthquake - 7km WNW of The Geysers, CA, on Tuesday, Dec 6, 2022 at 2:56 pm (GMT -8) -

Minor mag. 0.8 earthquake - 7km WNW of The Geysers, CA, on Tuesday, Dec 6, 2022 at 2:56 pm (GMT -8) Minor mag. 0.8 earthquake - 7km WNW of The Geysers, CA, on Tuesday, Dec 6, 2022 at 2:56 pm (GMT -8)

Minor magnitude 0.8 earthquake at 2 km depth

6 Dec 22:58 UTC: First to report: USGS after 2 minutes.

Earthquake details

Date & timeDec 6, 2022 22:56:45 UTC -
Local time at epicenterTuesday, Dec 6, 2022 at 2:56 pm (GMT -8)
StatusConfirmed
Magnitude0.8
Depth1.5 km
Epicenter latitude / longitude38.81083°N / 122.8295°W (California, United States)
Antipode38.811°S / 57.171°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoClear Lake (18 km / 11 mi)
Nearby towns and cities9 km (6 mi) W of Cobb (pop: 1,780) | Show on map | Quakes nearby
24 km (15 mi) SW of Clearlake (Lake County) (pop: 15,200) | Show on map | Quakes nearby
29 km (18 mi) N of Windsor (Sonoma County) (pop: 27,500) | Show on map | Quakes nearby
42 km (26 mi) NNW of Santa Rosa (pop: 175,000) | Show on map | Quakes nearby
66 km (41 mi) NNW of Petaluma (pop: 60,400) | Show on map | Quakes nearby
74 km (46 mi) NW of Napa (pop: 80,400) | Show on map | Quakes nearby
89 km (55 mi) NW of Vacaville (pop: 96,800) | Show on map | Quakes nearby
93 km (58 mi) NW of Fairfield (pop: 113,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 9.1°C (48 F), humidity: 67%, wind: 1 m/s (3 kts) from NE
Estimated seismic energy released1 x 106 joules (0.278 kilowatt hours) | about seismic energy
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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.
Mag.DepthLocationSource
0.81.5 km7km WNW of The Geysers, CAUSGS
0.81.5 kmNorthern CaliforniaRaspberryShake
0.810 kmNorthern CaliforniaIRIS

Seismograms

Seismic station: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 74 km / 46 mi | Show on map | Station Info
Seismic station Marconi Conference Center, Marshall, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

User reports for this quake

At magnitude 0.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area since 1900

Date and time GMTMag
Depth
DistanceLocationDetails
Apr 18, 1906 13:12
117 years ago
7.9

12 km
120km / 75miWhite Island, 5.7 mi NW of Daly City, San Mateo County, California, USAMore
Apr 25, 1992 18:06
31 years ago
7.2

9.9 km
208km / 129mi32 mi S of Eureka, Humboldt County, California, USAMore
Oct 18, 1989 00:04
33 years ago
6.9

17 km
214km / 133mi9.4 mi NE of Santa Cruz, California, USAMore
Jan 22, 1923 09:04
100 years ago
6.9

15 km
262km / 163mi58 mi SW of Eureka, Humboldt County, California, USAMore
Mar 10, 2014 05:18
9 years ago
6.8

17 km
299km / 185miNorth Pacific Ocean, 51 mi W of Eureka, Humboldt County, California, USAMore
Nov 25, 1954 11:16
68 years ago
6.8

10 km
307km / 191mi85 mi W of Eureka, Humboldt County, California, USAMore
Feb 9, 1941 09:44
82 years ago
6.8

15 km
292km / 181mi57 mi W of Eureka, Humboldt County, California, USAMore
Apr 26, 1992 11:18
31 years ago
6.6

22 km
229km / 142mi36 mi SW of Eureka, Humboldt County, California, USAMore
Sep 10, 1984 03:14
38 years ago
6.6

4.3 km
273km / 169mi55 mi W of Eureka, Humboldt County, California, USAMore
Jul 1, 1911 22:00
112 years ago
6.6

0 km
198km / 123mi10.1 mi SE of San Jose, Santa Clara County, California, USAMore
Jan 10, 2010 00:27
13 years ago
6.5

29 km
259km / 161mi30 mi W of Eureka, Humboldt County, California, USAMore
Jan 10, 2010 00:27
13 years ago
6.5

29 km
259km / 161mi30 mi W of Eureka, Humboldt County, California, USAMore
Apr 26, 1992 07:41
31 years ago
6.5

19 km
234km / 145mi33 mi SW of Eureka, Humboldt County, California, USAMore
Dec 21, 1954 19:56
68 years ago
6.5

0 km
247km / 154mi1.3 mi S of Eureka, Humboldt County, California, USAMore
Oct 3, 1941 16:13
81 years ago
6.4

10 km
272km / 169mi54 mi SW of Eureka, Humboldt County, California, USAMore
Jun 6, 1932 08:44
91 years ago
6.4

15 km
244km / 152mi5.6 mi SW of Eureka, Humboldt County, California, USAMore
Oct 29, 1909 06:45
113 years ago
6.4

0 km
222km / 138mi4.9 mi W of Rio Dell, Humboldt County, California, USAMore
Apr 23, 1906 09:10
117 years ago
6.4

0 km
263km / 164mi6.4 mi NE of McKinleyville, Humboldt County, California, USAMore
Nov 26, 1976 11:19
46 years ago
6.3

42 km
306km / 190mi44 mi W of Eureka, Humboldt County, California, USAMore
Oct 22, 1926 13:35
96 years ago
6.3

10 km
239km / 148mi19 mi SW of Santa Cruz, California, USAMore
Dec 20, 2021 20:10
1 year 5 weeks ago
6.2

15 km
233km / 145miNorth Pacific Ocean, 45 mi SW of Eureka, Humboldt County, California, USAMore
Apr 24, 1984 21:15
39 years ago
6.2

8.2 km
195km / 121mi12 mi E of San Jose, Santa Clara County, California, USAMore
Jul 24, 1959 01:23
64 years ago
6.2

15 km
320km / 199mi58 mi W of Eureka, Humboldt County, California, USAMore
Oct 22, 1926 12:35
96 years ago
6.1

0 km
248km / 154mi30 mi SW of Santa Cruz, California, USAMore
Aug 24, 2014 10:20
8 years ago
6.0

11 km
80km / 49miMare Island, 5.5 mi S of Napa, California, USAMore
Aug 24, 2014 10:20
8 years ago
6.0

11 km
80km / 49miMare Island, 5.5 mi S of Napa, California, USAMore
Aug 17, 1991 19:29
31 years ago
6.0

8.3 km
203km / 126mi39 mi S of Eureka, Humboldt County, California, USAMore
Jun 6, 1960 01:17
63 years ago
6.0

15 km
271km / 169mi33 mi W of Eureka, Humboldt County, California, USAMore
Sep 22, 1952 11:41
70 years ago
6.0

15 km
204km / 127mi27 mi S of Fortuna, Humboldt County, California, USAMore
Oct 8, 1951 04:10
71 years ago
6.0

15 km
227km / 141mi38 mi SW of Fortuna, Humboldt County, California, USAMore
Dec 29, 1948 12:53
74 years ago
6.0

0 km
251km / 156miSierra County, California, 14 mi W of Reno, Washoe County, Nevada, USAMore
Mar 19, 1910 00:11
113 years ago
6.0

0 km
229km / 142mi71 mi SW of Eureka, Humboldt County, California, USAMore
Mar 31, 1986 11:55
37 years ago
5.7

8.5 km
179km / 111mi15 mi NE of San Jose, Santa Clara County, California, USAMore
Aug 1, 1975 20:20
48 years ago
5.7

5 km
131km / 81mi21 mi N of Yuba City, Sutter County, California, USAMore
Feb 8, 1940 08:05
83 years ago
5.7

0 km
169km / 105mi13 mi N of Magalia, Butte County, California, USAMore
Dec 20, 1940 23:40
82 years ago
5.5

0 km
166km / 103mi12 mi SW of Redway, Humboldt County, California, USAMore
Sep 12, 1938 06:10
84 years ago
5.5

0 km
166km / 103mi12 mi SW of Redway, Humboldt County, California, USAMore
Jan 27, 1980 02:33
43 years ago
5.4

14 km
154km / 95mi5.7 mi NE of Livermore, Alameda County, California, USAMore
Oct 24, 1955 04:10
67 years ago
5.4

0 km
116km / 72miRyer Island, 1.3 mi SW of Concord, Contra Costa County, California, USAMore
May 19, 1902 18:31
121 years ago
5.4

0 km
99km / 61mi6.2 mi SE of Vacaville, Solano County, California, USAMore
Mar 22, 1957 19:44
66 years ago
5.3

0 km
131km / 81miSan Pedro Rock, 2.9 mi SW of Daly City, San Mateo County, California, USAMore
Aug 2, 1975 20:58
48 years ago
5.2

1.5 km
135km / 84miButte County, 22 mi N of Yuba City, Sutter County, California, USAMore
Jun 6, 1962 17:50
61 years ago
5.2

10 km
41km / 26mi6.4 mi E of Ukiah, Mendocino County, California, USAMore
Dec 14, 2016 16:41
6 years ago
5.1

1 km
1km / 1mi6.3 mi W of Cobb, Lake County, California, USAMore
Aug 10, 2016 02:57
6 years ago
5.1

18 km
56km / 35miSplit Rock, 13 mi N of Nice, Lake County, California, USAMore
Jan 24, 1980 19:01
43 years ago
5.1

6.5 km
144km / 90miContra Costa County, 8.9 mi N of Livermore, Alameda County, California, USAMore
Aug 2, 1975 20:22
48 years ago
5.1

1.7 km
136km / 85miButte County, 23 mi N of Yuba City, Sutter County, California, USAMore
Oct 2, 1969 06:19
53 years ago
5.1

10 km
41km / 26mi1.6 mi NE of Santa Rosa, Sonoma County, California, USAMore
Apr 29, 1968 00:21
55 years ago
5.0

23 km
107km / 66miGlenn County, 16 mi SW of Chico, Butte County, California, USAMore
Dec 11, 1930 08:58
92 years ago
5.0

0 km
201km / 125mi53 mi S of Eureka, Humboldt County, California, USAMore
Sep 3, 2000 08:36
22 years ago
4.9

9.4 km
60km / 37mi8.9 mi NW of Napa, California, USAMore
Aug 8, 1975 07:00
48 years ago
4.9

8.1 km
137km / 85mi2.1 mi W of Oroville East, Butte County, California, USAMore
Sep 10, 1965 21:28
57 years ago
4.9

0 km
125km / 78miRyer Island, 1 mi W of Antioch, Contra Costa County, California, USAMore
Apr 18, 2007 08:42
16 years ago
4.8

4.7 km
77km / 48miSplit Rock, 22 mi N of Ukiah, Mendocino County, California, USAMore
Sep 4, 1995 14:16
27 years ago
4.8

6.6 km
16km / 10mi17 mi N of Santa Rosa, Sonoma County, California, USAMore
Jan 24, 1980 19:03
43 years ago
4.8

3.7 km
142km / 88miContra Costa County, 10.5 mi N of Livermore, Alameda County, California, USAMore
Nov 22, 1977 21:15
45 years ago
4.8

15 km
76km / 47mi18 mi N of Ukiah, Mendocino County, California, USAMore
Nov 12, 1973 03:39
49 years ago
4.8

18 km
75km / 47mi16 mi NW of Ukiah, Mendocino County, California, USAMore
Oct 2, 1969 04:56
53 years ago
4.8

10 km
40km / 25mi2.2 mi NE of Santa Rosa, Sonoma County, California, USAMore
Dec 20, 2021 20:10
1 year 5 weeks ago
4.7

17 km
86km / 53mi11 mi SW of Novato, Marin County, California, USAMore
May 30, 2015 11:33
8 years ago
4.7

39 km
95km / 59miCalifornia, 7.7 mi W of Brooktrails, Mendocino County, USAMore
May 12, 2006 10:37
17 years ago
4.7

3.6 km
2km / 1miSonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Aug 1, 1986 04:53
37 years ago
4.7

58 km
88km / 55mi25 mi N of Ukiah, Mendocino County, California, USAMore
Aug 6, 1975 03:50
48 years ago
4.7

8.7 km
135km / 84mi3.6 mi W of Oroville East, Butte County, California, USAMore
Aug 1, 1975 20:25
48 years ago
4.7

0 km
132km / 82miButte County, 21 mi N of Yuba City, Sutter County, California, USAMore
Aug 1, 1975 16:27
48 years ago
4.7

5.5 km
132km / 82mi25 mi SE of Chico, Butte County, California, USAMore
Oct 14, 1962 10:14
60 years ago
4.7

0 km
105km / 65mi24 mi SW of Point Arena, Mendocino County, California, USAMore
Dec 11, 1958 09:52
64 years ago
4.7

0 km
126km / 78miSan Pedro Rock, 5.8 mi W of Daly City, San Mateo County, California, USAMore
Oct 31, 1957 02:47
65 years ago
4.7

0 km
85km / 53mi10.6 mi SE of Mendocino, California, USAMore
Oct 20, 2006 17:00
16 years ago
4.6

2.5 km
7km / 4mi10.7 mi SW of Clearlake, Lake County, California, USAMore
Feb 18, 2004 20:37
19 years ago
4.6

2.6 km
6km / 4miLake County, 28 mi N of Santa Rosa, Sonoma County, California, USAMore
Jan 11, 2000 14:19
23 years ago
4.6

5.8 km
9km / 5mi25 mi NW of Santa Rosa, Sonoma County, California, USAMore
Aug 18, 1999 01:06
23 years ago
4.6

7.7 km
101km / 63miPeninsula Island, 9.6 mi SW of San Rafael, Marin County, California, USAMore
Jan 25, 1980 05:24
43 years ago
4.6

9.3 km
139km / 86mi9.5 mi S of Antioch, Contra Costa County, California, USAMore
Sep 27, 1975 22:34
47 years ago
4.6

8.4 km
136km / 85mi3.4 mi W of Oroville East, Butte County, California, USAMore
Aug 3, 1975 01:03
48 years ago
4.6

7.1 km
136km / 84mi24 mi SE of Chico, Butte County, California, USAMore
Aug 1, 1975 20:29
48 years ago
4.6

0 km
132km / 82miButte County, 21 mi N of Yuba City, Sutter County, California, USAMore
Jun 12, 1970 03:30
53 years ago
4.6

9 km
137km / 85mi2.9 mi NE of San Ramon, Contra Costa County, California, USAMore
Apr 25, 1968 19:49
55 years ago
4.6

8 km
38km / 24mi2.6 mi N of Santa Rosa, Sonoma County, California, USAMore
May 7, 1955 11:50
68 years ago
4.6

0 km
14km / 9mi3.4 mi SW of Kelseyville, Lake County, California, USAMore
Oct 25, 1941 07:09
81 years ago
4.6

0 km
95km / 59mi2.1 mi SE of Willows, Glenn County, California, USAMore
Feb 25, 1919 22:38
104 years ago
4.6

0 km
61km / 38mi1.5 mi NW of Boyes Hot Springs, Sonoma County, California, USAMore
Oct 15, 2019 05:33
3 years ago
4.5

14 km
118km / 73mi0.7 mi S of Pleasant Hill, Contra Costa County, California, USAMore
Jan 4, 2018 10:39
5 years ago
4.5

13 km
118km / 73miYerba Buena Island, 2 mi SE of Berkeley, Alameda County, California, USAMore
Jan 12, 2014 20:24
9 years ago
4.5

2.5 km
1km / 1mi5 mi W of Cobb, Lake County, California, USAMore
Mar 14, 2013 09:09
10 years ago
4.5

2.2 km
4km / 2mi3.5 mi W of Cobb, Lake County, California, USAMore
Sep 25, 2012 15:15
10 years ago
4.5

12 km
49km / 31mi2.5 mi NE of Ukiah, Mendocino County, California, USAMore
Apr 24, 2007 21:08
16 years ago
4.5

1.7 km
3km / 2miSonoma County, 4.4 mi SW of Cobb, Lake County, California, USAMore
Aug 3, 2006 03:08
16 years ago
4.5

8.6 km
54km / 34mi6.3 mi E of Rohnert Park, Sonoma County, California, USAMore
Sep 19, 1992 23:04
30 years ago
4.5

2.9 km
6km / 4miLake County, 29 mi N of Santa Rosa, Sonoma County, California, USAMore
Sep 11, 1986 07:39
36 years ago
4.5

4.1 km
73km / 45miSplit Rock, 28 mi NE of Ukiah, Mendocino County, California, USAMore
Mar 26, 1978 00:27
45 years ago
4.5

12 km
53km / 33mi4.9 mi NE of Ukiah, Mendocino County, California, USAMore
Aug 1, 1975 20:20
48 years ago
4.5

4.4 km
131km / 81mi21 mi N of Yuba City, Sutter County, California, USAMore
May 24, 1966 03:49
57 years ago
4.5

20 km
141km / 88mi5.2 mi NE of Chico, Butte County, California, USAMore
Dec 17, 1954 07:08
68 years ago
4.5

0 km
136km / 85mi1.4 mi SE of San Leandro, Alameda County, California, USAMore
Mar 8, 1937 10:31
86 years ago
4.5

0 km
125km / 78miYerba Buena Island, 3.9 mi E of Oakland, Alameda County, California, USAMore
Dec 12, 1930 09:32
92 years ago
4.5

0 km
130km / 81mi11 mi NW of Laytonville, Mendocino County, California, USAMore
Apr 15, 1928 21:57
95 years ago
4.5

15 km
125km / 77miTehama County, 50 mi SW of Redding, Shasta County, California, USAMore
Oct 8, 1915 05:25
107 years ago
4.5

0 km
120km / 75miYerba Buena Island, 2.1 mi NE of Oakland, Alameda County, California, USAMore
Feb 14, 1909 15:55
114 years ago
4.5

0 km
126km / 78miVenice Island, 8.7 mi NE of Antioch, Contra Costa County, California, USAMore
Show all

Map of earlier quakes

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