Mag. 4.1 earthquake - 24 mi north of Santa Rosa, Sonoma County, California, on 2020-03-25 03:57:38 -08:00 -

Mag. 4.1 earthquake  - 24 mi north of Santa Rosa, Sonoma County, California, on 2020-03-25 03:57:38 -08:00

Light magnitude 4.1 earthquake at 2 km depth

25 Mar 12:01 UTC: First to report: USGS after 4 minutes.
Mar 25 12:03: Magnitude recalculated from 3.8 to 4.1.
Hypocenter depth recalculated from 2.1 to 2.2 km.
Date & time: 25 Mar 2020 11:57:38 UTC -
Local time at epicenter: 2020-03-25 03:57:38 -08:00
Magnitude: 4.1
Depth: 2.2 km
Epicenter latitude / longitude: 38.79033°N / 122.765°W (California, United States)
Nearest volcano: Clear Lake (20 km / 12 mi)
Nearby towns and cities:
5 km (3 mi) SW of Cobb (pop: 1,780)
18 km (11 mi) W of Hidden Valley Lake (pop: 5,580)
22 km (14 mi) E of Cloverdale (Sonoma County) (pop: 8,810)
22 km (14 mi) NNE of Healdsburg (Sonoma County) (pop: 11,700)
22 km (14 mi) SSW of Clearlake (Lake County) (pop: 15,200)
39 km (24 mi) N of Santa Rosa (pop: 175,000)
113 km (70 mi) WNW of Sacramento (pop: 490,700)
117 km (73 mi) NNW of San Francisco (pop: 864,800)
Primary data source: USGS
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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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 4.12.2 km2km NNW of The Geysers, CA (USA)USGS
M 3.810 kmNorthern California (USA)EMSC

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Healdsburg CA (20.4 km SSW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Fernley, NV (321.8 km ENE of epicenter) [Map] / not felt (reported through our app)
78.5 km NE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
9053 Hwy 175 kelseyville,Ca 95451 / Very strong shaking (MMI VII) : Shook my whole house and I live a distance from where it happened (I live near red hills rd.
275.1 km SE of epicenter [Map] / Moderate shaking (MMI V) : Me and my girlfriend live in a trailer thats not to balanced so when our dog scratches it shakes and thats what we thought it was but it lasted about 3-4 mins
16626 Mountain View Dr, Cobb, CA 95426 / Light shaking (MMI IV)
Reno (United States of America, 259 km E of epicenter) : 5:18am aftershock in Reno very slight movement shaking in 4th floor high rise. (reported through EMSC)
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Earlier earthquakes in the same area since 1900

Mag. 4.1 earthquake - 24 mi north of Santa Rosa, Sonoma County, California, on 2020-03-25 03:57:38 -08:00

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