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Minor mag. 1.0 earthquake - 7km W of Cobb, CA, on Saturday, Apr 1, 2023 at 12:50 am (GMT -7) -

Minor mag. 1.0 earthquake - 7km W of Cobb, CA, on Saturday, Apr 1, 2023 at 12:50 am (GMT -7) Minor mag. 1.0 earthquake - 7km W of Cobb, CA, on Saturday, Apr 1, 2023 at 12:50 am (GMT -7)

Minor magnitude 1.0 earthquake at 2 km depth

1 Apr 07:52 UTC: First to report: USGS after 2 minutes.

Earthquake details

Date & timeApr 1, 2023 07:50:14 UTC -
Local time at epicenterSaturday, Apr 1, 2023 at 12:50 am (GMT -7)
Depth1.7 km
Epicenter latitude / longitude38.83083°N / 122.80367°W (California, United States)
Antipode38.831°S / 57.196°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoClear Lake (16 km / 10 mi)
Nearby towns and cities7 km (4 mi) W of Cobb (pop: 1,780) | Show on map | Quakes nearby
21 km (13 mi) SW of Clearlake (Lake County) (pop: 15,200) | Show on map | Quakes nearby
32 km (20 mi) N of Windsor (Sonoma County) (pop: 27,500) | Show on map | Quakes nearby
44 km (27 mi) N of Santa Rosa (pop: 175,000) | Show on map | Quakes nearby
68 km (42 mi) NNW of Petaluma (pop: 60,400) | Show on map | Quakes nearby
75 km (46 mi) NW of Napa (pop: 80,400) | Show on map | Quakes nearby
88 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 0.7°C (33 F), humidity: 87%, wind: 1 m/s (3 kts) from NW
Estimated seismic energy released2 x 106 joules (0.554 kilowatt hours) | about seismic energy
Show interactive Map
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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.
1.01.7 km7km W of Cobb, CAUSGS
1.01.7 kmNorthern CaliforniaRaspberryShake
1.010 kmNorthern CaliforniaIRIS

User reports for this quake

At magnitude 1.0, 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

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