Mag. 1.6 earthquake - - 6km WNW of Cobb, CA, on 2018-12-28 03:19:13 -08:00
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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
Magnitude: 1.6
Depth: 1.7 km
Epicenter latitude / longitude: 38.836°N / 122.78384°W

Nearest volcano: Clear Lake (15 km / 9 mi)
Nearby towns and cities:
5 km (3 mi) WNW of Cobb (pop: 1,780) --> See nearby quakes!
17 km (10 mi) SSE of Kelseyville (pop: 3,350) --> See nearby quakes!
19 km (12 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
20 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!
26 km (16 mi) NNE of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
32 km (20 mi) N of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
44 km (28 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
3919 km (2435 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
3919 km (2435 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 107 joules (4.4 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.
Magnitude | Depth | Location | Source |
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.