Light mag. 3.1 earthquake - 3.4 mi southwest of Cobb, California, USA, on 24 Sep 9:01 am (GMT -7)
Light magnitude 3.1 earthquake at 1 km depth
24 Sep 14:45 UTC: First to report: EMSC after 3 minutes.
24 Sep 14:45: Now using data updates from USGS
24 Sep 14:45: Now using data updates from USGS
Earthquake details
| Date & time | Sep 24, 2020 14:42:27 UTC |
| Local time at epicenter | 24 Sep 9:01 am (GMT -7) |
| Status | Confirmed |
| Magnitude | 3.1 |
| Depth | 1.4 km |
| Epicenter latitude / longitude | 38.787°N / 122.766°W  (Lake County, California, United States) |
| Antipode | 38.787°S / 57.234°E |
| Shaking intensity | Light shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Clear Lake (20 km / 12 mi) |
| Nearby towns and cities | 5 km (3 mi) SW of Cobb (pop: 1,780) | Show on map | Quakes nearby 18 km (11 mi) W of Hidden Valley Lake (pop: 5,580) | Show on map | Quakes nearby 22 km (13 mi) NNE of Russian River (Sonoma County) (pop: 11,700) | Show on map | Quakes nearby 22 km (13 mi) NNE of Russian River (pop: 11,700) | Show on map | Quakes nearby 22 km (14 mi) E of Cloverdale (Sonoma County) (pop: 8,810) | Show on map | Quakes nearby 23 km (14 mi) SSW of Clearlake (Lake County) (pop: 15,200) | Show on map | Quakes nearby 27 km (17 mi) N of Windsor (Sonoma County) (pop: 27,500) | Show on map | Quakes nearby 39 km (24 mi) N of Santa Rosa (pop: 175,000) | Show on map | Quakes nearby 50 km (31 mi) N of Rohnert Park (pop: 42,400) | Show on map | Quakes nearby 113 km (70 mi) WNW of Sacramento (pop: 490,700) | Show on map | Quakes nearby |
| Estimated seismic energy released | 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy |
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.
| Mag. | Depth | Location | Source |
| 3.1 | 1.4 km | 1km NW of The Geysers, CA, USA | USGS |
| 2.8 | 4 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.
Earlier earthquakes in the same area
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