Minor mag. 1.1 earthquake - 4km NW of The Geysers, California on Saturday, 16 September 2017
16 Sep 21:20 UTC: First to report: USGS after 2 minutes.
Local time at epicenter: 2017-09-16 13:18:10 -08:00
Depth: 0.5 km
Epicenter latitude / longitude: 38.8053°N / 122.794°W (California, United States)
Nearest volcano: Clear Lake (18 km / 11 mi)
Nearby towns and cities:
6 km (4 mi) SW of Cobb (pop: 1,800)
14 km (9 mi) NE of Geyserville (pop: 900)
17 km (10 mi) NW of Middletown (pop: 1,300)
116 km (72 mi) NW of Sacramento (pop: 490,700)
119 km (74 mi) NW of San Francisco (pop: 864,800)
181 km (113 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|
|2017-09-16 13:18:10 -08:00 (16 Sep 21:18:10 UTC)||M 1.1 / 0.5 km||- 4km NW of The Geysers, California||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 1.1, this quake was too small to be felt by humans, but it was recorded instrumentally.