Minor mag. 1.1 earthquake - 8km W of Cobb, CA (USA) on Tuesday, 15 September 2020
15 Sep 20:08 UTC: First to report: USGS after 2 minutes.
Depth: 2.0 km
Epicenter latitude / longitude: 38.835°N / 122.8105°W (United States)
Nearest volcano: Clear Lake (15 km / 9 mi)
Nearby towns and cities:
8 km (5 mi) W of Cobb (pop: 1,800)
15 km (10 mi) SW of Clear Lake Riviera (pop: 3,100)
16 km (10 mi) S of Kelseyville (pop: 3,400)
118 km (73 mi) NW of Sacramento (pop: 490,700)
123 km (76 mi) NW of San Francisco (pop: 864,800)
185 km (115 mi) NW of San Jose (pop: 1,026,900)
Primary data source: USGS
Estimated released energy: 2.8 x 106 joules (0.783 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.
|Time||Mag. / Depth||Location||Source|
|Tue, 15 Sep 20:05 UTC||M 1.1 / 2 km||8km W of Cobb, CA (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.At magnitude 1.1, this quake was too small to be felt by humans, but it was recorded instrumentally.