Mag. 1.3 earthquake - Sonoma County, 5.4 mi west of Cobb, Lake County, California, USA, on 2 Oct 4:07 pm (GMT -7) -
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Minor magnitude 1.3 earthquake at 2 km depth
2 Oct 23:09 UTC: First to report: USGS after 2 minutes.
Local time at epicenter: 2 Oct 4:07 pm (GMT -7)
Magnitude: 1.3
Depth: 2.1 km
Epicenter latitude / longitude: 38.80483°N / 122.821°W
(Sonoma County, California, United States)Nearest volcano: Clear Lake (19 km / 12 mi)
Nearby towns and cities:
9 km (5 mi) WSW of Cobb (pop: 1,780) --> See nearby quakes!
17 km (11 mi) E of Cloverdale (Sonoma County) (pop: 8,810) --> See nearby quakes!
19 km (12 mi) S of Kelseyville (pop: 3,350) --> See nearby quakes!
22 km (14 mi) N of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
23 km (14 mi) W of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
24 km (15 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
29 km (18 mi) N of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
42 km (26 mi) NNW of Santa Rosa (pop: 175,000) --> See nearby quakes!
3923 km (2438 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
3923 km (2438 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
36.7°C (98 F), humidity: 13%, wind: 1 m/s (3 kts) from W
Primary data source: USGS (United States Geological Survey)
Clear Sky
36.7°C (98 F), humidity: 13%, wind: 1 m/s (3 kts) from WEstimated released energy: 5.6 x 106 joules (1.56 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 1.3 | 2.1 km | 6km WNW of The Geysers, CA, USA | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.3, this quake was too small to be felt by humans, but it was recorded instrumentally.
