Mag. 1.6 earthquake - - 6km WNW of Cobb, CA, on 2018-12-28 03:19:13 -08:00
Minor magnitude 1.6 earthquake at 2 km depth
28 Dec 11:24 UTC: First to report: USGS after 5 minutes.
Local time at epicenter: 2018-12-28 03:19:13 -08:00
Depth: 1.7 km
Epicenter latitude / longitude: 38.836°N / 122.78384°W (California, United States)
Nearest volcano: Clear Lake (15 km / 9 mi)
Nearby towns and cities:
2 km (1 mi) ESE of Caldwell Pines (Lake County)
5 km (3 mi) WNW of Cobb (Lake County) (pop: 1,780)
17 km (10 mi) SSE of Kelseyville (Lake County) (pop: 3,350)
18 km (11 mi) NE of Geyserville (Sonoma County) (pop: 862)
19 km (12 mi) SW of Clearlake (Lake County) (pop: 15,200)
20 km (12 mi) W of Hidden Valley Lake (Lake County) (pop: 5,580)
107 km (67 mi) NNW of Martinez (Contra Costa County) (pop: 38,100)
117 km (73 mi) NNW of Pleasant Hill (Contra Costa County) (pop: 34,800)
Primary data source: USGS
Estimated released energy: 1.6 x 107 joules (4.4 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 1.6||1.7 km||- 6km WNW 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 1.6, this quake was too small to be felt by humans, but it was recorded instrumentally.