Mag. 3.5 earthquake - 1 mi west of Redwood Valley, Mendocino County, California, USA, on 2020-01-29 04:30:50 -08:00 -
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Minor magnitude 3.5 earthquake at 6 km depth
29 Jan 12:34 UTC: First to report: USGS after 3 minutes.
Hypocenter depth recalculated from 6.0 to 6.4 km.
Hypocenter depth recalculated from 6.0 to 6.4 km.
Local time at epicenter: 2020-01-29 04:30:50 -08:00
Magnitude: 3.5
Depth: 6.4 km
Epicenter latitude / longitude: 39.26767°N / 123.222°W
(Mendocino County, California, United States)Nearest volcano: Clear Lake (51 km / 32 mi)
Nearby towns and cities:
2 km (1 mi) W of Redwood Valley (pop: 1,730) --> See nearby quakes!
13 km (8 mi) N of Ukiah (pop: 15,900) --> See nearby quakes!
20 km (12 mi) SE of Willits (pop: 4,860) --> See nearby quakes!
29 km (18 mi) WNW of Upper Lake (pop: 1,050) --> See nearby quakes!
31 km (19 mi) NNE of Boonville (pop: 1,040) --> See nearby quakes!
36 km (23 mi) NW of Tuckertown (pop: 4,810) --> See nearby quakes!
42 km (26 mi) WNW of Lucerne (pop: 3,070) --> See nearby quakes!
62 km (38 mi) WNW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
3943 km (2450 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
3943 km (2450 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 tons of TNT) 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 |
| M 3.5 | 6.4 km | 2km W of Redwood Valley, CA (USA) | USGS |
| M 3.0 | 5 km | Northern California (USA) | EMSC |
User reports for this quake (4)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Leave a comment if you find a particular report interesting or want to add to it.
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Kelso Washington 98626 / Very weak shaking (MMI II)
7.9 km SSE of epicenter [Map] / Strong shaking (MMI VI) : I am 2miles from the epicenter it was so strong (reported through our app)
Redwood Valley (United States of America, 6 km S of epicenter) : We were sleeping, but awoke when our tv squeaked and we felt the shaking...then my bf asked “was that an earthquake?” “Yes it was” was my response. We’re in Redwood valley... (reported through EMSC)
Ukiah (United States of America, 16 km S of epicenter) : It woke me from a dead sleep. (reported through EMSC)
Earlier earthquakes in the same area
Mag. 3.5 earthquake - 1 mi west of Redwood Valley, Mendocino County, California, USA, on 2020-01-29 04:30:50 -08:00Click here to search our database for earlier earthquakes in the same area since 1900!
