Weak mag. 2.1 earthquake - 2.2 mi southwest of American Canyon, Napa County, California, USA, on Monday, 27 July 2020 at 03:28 (GMT) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| California
Weak magnitude 2.1 earthquake at 6 km depth
27 Jul 03:31 UTC: First to report: USGS after 4 minutes.
Date & time: 27 Jul 2020 03:28:06 UTC -
Depth: 6.2 km
Epicenter latitude / longitude: 38.15617°N / 122.2925°W (Napa County, California, United States)
Nearest volcano: Clear Lake (100 km / 62 mi)
Nearby towns and cities:
3 km (2 mi) SW of American Canyon (pop: 20,600) --> See nearby quakes!
7 km (4 mi) NNW of Vallejo (pop: 121,300) --> See nearby quakes!
15 km (10 mi) N of Hercules (pop: 25,300) --> See nearby quakes!
16 km (10 mi) S of Napa (pop: 80,400) --> See nearby quakes!
17 km (10 mi) NW of Francisca (Solano County) (pop: 28,200) --> See nearby quakes!
21 km (13 mi) NW of Martinez (pop: 38,100) --> See nearby quakes!
24 km (15 mi) WSW of Fairfield (pop: 113,000) --> See nearby quakes!
25 km (16 mi) N of Richmond (pop: 109,700) --> See nearby quakes!
44 km (27 mi) NNE of San Francisco (pop: 864,800) --> See nearby quakes!
84 km (52 mi) SW 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.
|M 2.1||6.2 km||4km SW of American Canyon, CA (USA)||USGS|
|M 2.1||6 km||San Francisco Bay Area, Calif. (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.