Weak mag. 2.1 earthquake - 3.2 mi south of Cobb, Lake County, California, USA, on Thursday, 30 July 2020 at 11:29 (GMT) -
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Weak magnitude 2.1 earthquake at 2 km depth
30 Jul 11:32 UTC: First to report: USGS after 3 minutes.
Date & time: 30 Jul 2020 11:29:26 UTC -
Magnitude: 2.1
Depth: 1.9 km
Epicenter latitude / longitude: 38.77683°N / 122.714°W

Nearest volcano: Clear Lake (22 km / 14 mi)
Nearby towns and cities:
5 km (3 mi) S of Cobb (pop: 1,780) --> See nearby quakes!
14 km (9 mi) WSW of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
22 km (13 mi) SSW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
23 km (14 mi) NE of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
23 km (14 mi) NE of Russian River (pop: 11,700) --> See nearby quakes!
23 km (14 mi) NE of Russian River (pop: 11,700) --> See nearby quakes!
27 km (17 mi) NNE of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
37 km (23 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
49 km (30 mi) N of Rohnert Park (pop: 42,400) --> See nearby quakes!
108 km (67 mi) W of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 107 joules (24.8 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 2.1 | 1.9 km | 2km W of Anderson Springs, CA (USA) | USGS |
M 2.1 | 2 km | Northern California (USA) | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.1, this quake was probably too small to be felt by humans, but it could be recorded instrumentally.be the first to report it!
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