Light mag. 3.0 earthquake - Lake County, 23 mi north of Santa Rosa, Sonoma County, California, USA, on Friday, May 14, 2021 4:59 pm (GMT -7) -

Light mag. 3.0 earthquake - Lake County, 23 mi north of Santa Rosa, Sonoma County, California, USA, on Friday, May 14, 2021 4:59 pm (GMT -7)

Light magnitude 3.0 earthquake at 2 km depth

15 May 00:01 UTC: First to report: VolcanoDiscovery after 2 minutes.
15 May 00:02: Now using data updates from USGS
Update Sat, 15 May 2021, 00:06
Small magnitude 3.0 earthquake 23 miles north of Santa Rosa, California, United States
3.0 quake 14 May 4:59 pm (GMT -7)
3.0 quake 14 May 4:59 pm (GMT -7)
A magnitude 3.0 earthquake near Santa Rosa, Sonoma County, California, USA, was reported only 7 minutes ago by the United States Geological Survey, considered the key international and national agency that monitors seismic activity in the US. The earthquake occurred at a very shallow depth of 1.4 miles beneath the epicenter in the afternoon on Friday 14 May 2021 at 4:59 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.0 earthquake as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Cobb (pop. 1,800) located 4 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Hidden Valley Lake (pop. 5,600) located 10 miles from the epicenter, Healdsburg (pop. 11,700) 13 miles away, Russian River (pop. 11,700) 13 miles away, Clearlake (pop. 15,200) 14 miles away, and Windsor (pop. 27,500) 16 miles away. In Santa Rosa (pop. 175,000, 23 miles away), and Rohnert Park (pop. 42,400, 30 miles away), the quake was probably not felt.
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Earthquake data

Date & time: May 14, 2021 23:59:05 UTC -
Local time at epicenter: Friday, May 14, 2021 4:59 pm (GMT -7)
Magnitude: 3
Depth: 2.2 km
Epicenter latitude / longitude: 38.772°N / 122.7345°W (Lake, California, United States)
Antipode: 38.772°S / 57.266°E
Nearest volcano: Clear Lake (22 km / 14 mi)
Nearby towns and cities:
6 km (4 mi) S of Cobb (pop: 1,780) --> See nearby quakes!
16 km (10 mi) WSW of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
21 km (13 mi) NNE of Russian River (Sonoma County) (pop: 11,700) --> See nearby quakes!
21 km (13 mi) NNE of Russian River (pop: 11,700) --> See nearby quakes!
23 km (14 mi) SSW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
26 km (16 mi) NNE of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
37 km (23 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
48 km (30 mi) N of Rohnert Park (pop: 42,400) --> See nearby quakes!
110 km (68 mi) W of Sacramento (pop: 490,700) --> See nearby quakes!
114 km (71 mi) NNW of San Francisco (pop: 864,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 109 joules (554 kilowatt hours, equivalent to 0.477 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.
Mag.DepthLocationSource
3.02.2 kmNear Santa Rosa, California, USAUSGS
2.64 kmNORTHERN CALIFORNIA, USAEMSC

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Translate
Morganton NC / Weak shaking (MMI III) / 1-2 s
Park central (113.4 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s : Lamp moving in 30th floor  
Healdsburg ca (21.8 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
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