Mag. 2.1 earthquake - NORTHERN CALIFORNIA on Wednesday, 12 December 2018 at 10:58 (GMT)
Minor magnitude 2.1 earthquake at 3 km depth
12 Dec 11:00 UTC: First to report: EMSC after 2 minutes.
Depth: 3.0 km
Epicenter latitude / longitude: 38.8°N / 122.81°W (United States)
Nearest volcano: Clear Lake (19 km / 12 mi)
Nearby towns and cities:
3 km (2 mi) NNE of Mercuryville (Sonoma County)
8 km (5 mi) WSW of Cobb (Lake County) (pop: 1,780)
13 km (8 mi) NE of Geyserville (Sonoma County) (pop: 862)
18 km (11 mi) E of Cloverdale (Sonoma County) (pop: 8,810)
19 km (12 mi) SSW of Clear Lake Riviera (Lake County) (pop: 3,090)
20 km (12 mi) S of Kelseyville (Lake County) (pop: 3,350)
41 km (25 mi) NNW of Santa Rosa (pop: 175,000)
91 km (57 mi) NNW of Vallejo (pop: 121,300)
Primary data source: EMSC
Estimated released energy: 8.9 x 107 joules (24.8 kilowatt hours) [learn more]
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.
|M 2.1||3 km||NORTHERN CALIFORNIA||EMSC|
|M 2.1||2.7 km||- 6km WNW of The Geysers, CA||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 2.1, this quake was probably too small to be felt by humans, but it could be recorded instrumentally.