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Updated: Dec 9, 2021 14:39 GMT -
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Earthquakes Today: latest quakes in or near Contra Costa County, California, USA: past 7 days
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Updated Dec 9, 2021 14:39 GMT -
During the past 7 days, Contra Costa County had 3 quakes of magnitude 2.0 or above. There were also 22 quakes below magnitude 2.0 which people don't normally feel.
Biggest quake: 2.6 quake SAN FRANCISCO BAY AREA, CALIF., Dec 4, 2021 6:08 pm (GMT -8)
Biggest quake today: 2.2 quake 1km ESE of Pacheco, CA, Dec 8, 2021 9:21 am (GMT -8)
Most recent quake: 0.9 quake 12km NE of Milpitas, CA, Dec 8, 2021 8:29 pm (GMT -8) ...Read More
Biggest quake: 2.6 quake SAN FRANCISCO BAY AREA, CALIF., Dec 4, 2021 6:08 pm (GMT -8)
Biggest quake today: 2.2 quake 1km ESE of Pacheco, CA, Dec 8, 2021 9:21 am (GMT -8)
Most recent quake: 0.9 quake 12km NE of Milpitas, CA, Dec 8, 2021 8:29 pm (GMT -8) ...Read More
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Quake statistics | Archive | Past 24 hours | 48 hrs | 7 days | 14 days | 30 days | Yesterday | Past month | Past year | All time | Quakes in the US | California
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Showing quakes magnitude 0.1 or higher (28 quakes):
Date and time | Mag Depth | Nearest volcano (distance) | Location | Details | Map |
| Thursday, December 9, 2021 04:29 GMT (2 earthquakes) | |||||
| Dec 8, 2021 8:29 pm (GMT -8) (Dec 9, 2021 04:29 GMT) | 0.9 7.1 km | 12km NE of Milpitas, CA | More | Map | |
| Dec 8, 2021 5:02 pm (GMT -8) (Dec 9, 2021 01:02 GMT) | 1.2 10 km | 9km NNW of Kenwood, CA | More | Map | |
| Wednesday, December 8, 2021 18:31 GMT (4 earthquakes) | |||||
| Dec 8, 2021 10:31 am (GMT -8) (Dec 8, 2021 18:31 GMT) | 0.9 6.1 km | 15km E of Seven Trees, CA | More | Map | |
| Dec 8, 2021 9:21 am (GMT -8) (Dec 8, 2021 17:21 GMT) | 2.2 15 km | 1km ESE of Pacheco, CA 1 report | More | Map | |
| Dec 8, 2021 7:01 am (GMT -8) (Dec 8, 2021 15:01 GMT) | 2.0 8.6 km | 6km WSW of Colma, CA | More | Map | |
| Dec 7, 2021 5:47 pm (GMT -8) (Dec 8, 2021 01:47 GMT) | 1.3 2.4 km | 15km E of Seven Trees, CA | More | Map | |
| Tuesday, December 7, 2021 19:52 GMT (4 earthquakes) | |||||
| Dec 7, 2021 11:52 am (GMT -8) (Dec 7, 2021 19:52 GMT) | 1.0 10.9 km | 9km NE of Alum Rock, CA | More | Map | |
| Dec 7, 2021 1:07 am (GMT -8) (Dec 7, 2021 09:07 GMT) | 1.2 9.5 km | 8km W of Saint Helena, CA | More | Map | |
| Dec 7, 2021 12:35 am (GMT -8) (Dec 7, 2021 08:35 GMT) | 1.4 8.2 km | 5km WSW of Yountville, CA | More | Map | |
| Dec 6, 2021 7:20 pm (GMT -8) (Dec 7, 2021 03:20 GMT) | ? n/a | 1.8 mi northwest of San Leandro, Alameda County, California, USA (unconfirmed) I FELT IT - 3 reports | More | Map | |
| Monday, December 6, 2021 21:05 GMT (5 earthquakes) | |||||
| Dec 6, 2021 1:05 pm (GMT -8) (Dec 6, 2021 21:05 GMT) | 1.4 0.1 km | Quarry Blast - 6km E of Vallejo, CA | More | Map | |
| Dec 6, 2021 12:21 pm (GMT -8) (Dec 6, 2021 20:21 GMT) | 0.8 4.5 km | 3km ESE of San Lorenzo, CA | More | Map | |
| Dec 6, 2021 2:57 am (GMT -8) (Dec 6, 2021 10:57 GMT) | 0.9 8.1 km | 14km NNE of Morgan Hill, CA | More | Map | |
| Dec 6, 2021 12:49 am (GMT -8) (Dec 6, 2021 08:49 GMT) | ? n/a | 20 mi southwest of Santa Rosa, Sonoma County, California, USA (unconfirmed) I FELT IT - 2 reports | More | Map | |
| Dec 5, 2021 7:36 pm (GMT -8) (Dec 6, 2021 03:36 GMT) | 0.8 4 km | 12km SSE of Livermore, CA | More | Map | |
| Sunday, December 5, 2021 02:42 GMT (2 earthquakes) | |||||
| Dec 4, 2021 6:42 pm (GMT -8) (Dec 5, 2021 02:42 GMT) | 1.3 1.6 km | 5km N of San Leandro, CA | More | Map | |
| Dec 4, 2021 6:08 pm (GMT -8) (Dec 5, 2021 02:08 GMT) | 2.6 2.5 km | SAN FRANCISCO BAY AREA, CALIF. I FELT IT - 16 reports | More | Map | |
| Saturday, December 4, 2021 21:22 GMT (9 earthquakes) | |||||
| Dec 4, 2021 1:22 pm (GMT -8) (Dec 4, 2021 21:22 GMT) | 1.4 8.6 km | 10km E of Alum Rock, CA | More | Map | |
| Dec 4, 2021 1:03 pm (GMT -8) (Dec 4, 2021 21:03 GMT) | 1.3 7.5 km | 10km E of Alum Rock, CA | More | Map | |
| Dec 4, 2021 10:09 am (GMT -8) (Dec 4, 2021 18:09 GMT) | 0.9 6.4 km | 14km SE of Livermore, CA | More | Map | |
| Dec 4, 2021 10:08 am (GMT -8) (Dec 4, 2021 18:08 GMT) | 1.0 4.3 km | 14km SE of Livermore, CA | More | Map | |
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Estimated combined seismic energy released: 8.3 x 108 joules (231 kilowatt hours, equivalent to 0.199 tons of TNT) More info
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