Mag. 1.5 earthquake - - 7km NW of The Geysers, CA, on 2018-12-27 17:42:14 -08:00
Minor magnitude 1.5 earthquake at 1 km depth
28 Dec 01:48 UTC: First to report: USGS after 6 minutes.
Local time at epicenter: 2018-12-27 17:42:14 -08:00
Depth: 1.1 km
Epicenter latitude / longitude: 38.82784°N / 122.811°W (California, United States)
Nearest volcano: Clear Lake (16 km / 10 mi)
Nearby towns and cities:
2 km (1 mi) E of Black Oaks
8 km (5 mi) W of Cobb (pop: 1,780)
18 km (11 mi) E of Cloverdale (Sonoma County) (pop: 8,810)
19 km (12 mi) WNW of Middletown (pop: 1,320)
22 km (13 mi) SW of Clearlake (Lake County) (pop: 15,200)
44 km (27 mi) N of Santa Rosa (pop: 175,000)
118 km (73 mi) WNW of Sacramento (pop: 490,700)
122 km (76 mi) NNW of San Francisco (pop: 864,800)
Primary data source: USGS
Estimated released energy: 1.1 x 107 joules (3.12 kilowatt hours) More info
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 1.5||1.1 km||- 7km NW 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 1.5, this quake was too small to be felt by humans, but it was recorded instrumentally.