Weak mag. 2.1 earthquake - 13km E of Angwin, CA, USA, on Wednesday, 24 Feb 2021 3:12 am (GMT -8) -
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Weak magnitude 2.1 earthquake at 8 km depth
24 Feb 11:14 UTC: First to report: USGS after 2 minutes.
24 Feb 19:24: Magnitude recalculated from 2.2 to 2.1. Hypocenter depth recalculated from 0.2 to 8.4 km (from 0.1 to 5.2 mi).
24 Feb 19:24: Magnitude recalculated from 2.2 to 2.1. Hypocenter depth recalculated from 0.2 to 8.4 km (from 0.1 to 5.2 mi).
Date & time: 24 Feb 2021 11:12:30 UTC -
Local time at epicenter: Wednesday, 24 Feb 2021 3:12 am (GMT -8)
Magnitude: 2.1
Depth: 8.4 km
Epicenter latitude / longitude: 38.563°N / 122.3005°W

Nearest volcano: Clear Lake (60 km / 37 mi)
Nearby towns and cities:
13 km (8 mi) E of Angwin (pop: 3,050) --> See nearby quakes!
30 km (18 mi) N of Napa (pop: 80,400) --> See nearby quakes!
36 km (22 mi) NW of Vacaville (pop: 96,800) --> See nearby quakes!
39 km (24 mi) ENE of Santa Rosa (pop: 175,000) --> See nearby quakes!
42 km (26 mi) NNW of Fairfield (pop: 113,000) --> See nearby quakes!
43 km (27 mi) NE of Rohnert Park (pop: 42,400) --> See nearby quakes!
47 km (29 mi) NE of Petaluma (pop: 60,400) --> See nearby quakes!
48 km (30 mi) WSW of Woodland (pop: 58,600) --> See nearby quakes!
49 km (30 mi) W of Davis (pop: 67,700) --> See nearby quakes!
70 km (44 mi) W of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
8.1°C (47 F), humidity: 62%, wind: 3 m/s (5 kts) from N
Primary data source: USGS (United States Geological Survey)Clear Sky

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 |
2.1 | 8.4 km | 13km E of Angwin, CA, USA | USGS |
2.2 | 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.
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