Mag. 1.2 earthquake - - 4km W of Cobb, CA, on 2018-12-11 07:31:07 -08:00
Minor magnitude 1.2 earthquake at 2 km depth
11 Dec 15:34 UTC: First to report: USGS after 3 minutes.
Local time at epicenter: 2018-12-11 07:31:07 -08:00
Depth: 1.7 km
Epicenter latitude / longitude: 38.82317°N / 122.76667°W (California, United States)
Nearest volcano: Clear Lake (16 km / 10 mi)
Nearby towns and cities:
3 km (2 mi) W of Pine Grove (Lake County)
4 km (2 mi) W of Cobb (Lake County) (pop: 1,780)
18 km (11 mi) W of Hidden Valley Lake (Lake County) (pop: 5,580)
18 km (11 mi) SSE of Kelseyville (Lake County) (pop: 3,350)
19 km (12 mi) SW of Clearlake (Lake County) (pop: 15,200)
31 km (19 mi) N of Windsor (Sonoma County) (pop: 27,500)
43 km (27 mi) N of Santa Rosa (pop: 175,000)
91 km (57 mi) NNW of Vallejo (pop: 121,300)
Primary data source: USGS
Estimated released energy: 4 x 106 joules (1.11 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 1.2||1.7 km||- 4km W of Cobb, 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 1.2, this quake was too small to be felt by humans, but it was recorded instrumentally.