Mag. 4.0 earthquake - Sonoma County, 3.4 mi southwest of Cobb, Lake County, California, USA, on Thursday, 10 May 2018 at 02:59 (GMT)

Mag. 4.0 earthquake - Sonoma County, 3.4 mi southwest of Cobb, Lake County, California, USA, on Thursday, 10 May 2018 at 02:59 (GMT)

Light magnitude 4.0 earthquake at 0 km depth

Date & time: 10 May 2018 02:59:27 UTC
Magnitude: 4
Depth: 0.0 km
Epicenter latitude / longitude: 38.8°N / 122.78°W (Sonoma County, California, United States)
Nearest volcano: Clear Lake (19 km / 12 mi)
Nearby towns and cities:
6 km (3 mi) WSW of Cobb (pop: 1,780) --> See nearby quakes!
19 km (12 mi) W of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
21 km (13 mi) E of Cloverdale (Sonoma County) (pop: 8,810) --> See nearby quakes!
22 km (14 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
22 km (14 mi) NNE of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
28 km (18 mi) N of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
40 km (25 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
52 km (32 mi) N of Rohnert Park (pop: 42,400) --> See nearby quakes!
118 km (73 mi) NNW of San Francisco (pop: 864,800) --> See nearby quakes!
3920 km (2436 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 4.0 kmNORTHERN CALIFORNIAEMSC

shake map
(shakemap: USGS)

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Danville (United States, 131 km SE of epicenter) : House shook in Danville CA (reported through EMSC)
Geyserville (United States, 15 km SW of epicenter) : Short rumble (reported through EMSC)
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Earlier earthquakes in the same area

Mag. 4.0 earthquake - Sonoma County, 3.4 mi southwest of Cobb, Lake County, California, USA, on Thursday, 10 May 2018 at 02:59 (GMT)
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