M1.9 earthquake 11km N of Healdsburg, CA
A magnitude 1.9 earthquake struck 11km N of Healdsburg, CA on Fri, Mar 19, 2021, 2:33 PM PDT (21:33 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M4.0 21km SSW of Willits, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2021-03-19 21:33:23 UTC
- Depth
- 6.2 km (3.8 mi), shallow
- Epicenter
- 38.708° N, 122.859° W
- Region
- California
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.2 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 97°
- Stations used
- 53
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 75 in the 30 days before it.
After
- 1.89km WNW of The Geysers, CA · 2024 days ago · 2 km deep · 13 km away
- 1.81km NNE of The Geysers, CA · 2023 days ago · 2 km deep · 13 km away
- 1.95km NW of The Geysers, CA · 2023 days ago · 3 km deep · 13 km away
- 2.013km WNW of Lake Pillsbury, CA · 2023 days ago · 1 km deep · 84 km away
- 1.65km S of Yountville, CA · 2023 days ago · 5 km deep · 59 km away
- 1.522km E of Navarro Head, CA · 2023 days ago · 1 km deep · 79 km away
- 1.97km W of Cobb, CA · 2023 days ago · 3 km deep · 15 km away
- 2.73km SSW of Anderson Springs, CA · 2022 days ago · 2 km deep · 14 km away · felt by 1
- 1.63km ENE of The Geysers, CA · 2022 days ago · 1 km deep · 14 km away
- 2.39km WNW of The Geysers, CA · 2021 days ago · 2 km deep · 13 km away
- 2.24km W of Cobb, CA · 2021 days ago · 2 km deep · 15 km away
- 2.24km W of Cobb, CA · 2021 days ago · 2 km deep · 15 km away
- 2.24km SSW of Anderson Springs, CA · 2021 days ago · 2 km deep · 14 km away
- 1.84km SSW of Anderson Springs, CA · 2021 days ago · 1 km deep · 13 km away
- 2.810km ENE of Yountville, CA · 2021 days ago · 11 km deep · 61 km away · felt by 42
- 1.811km ENE of Yountville, CA · 2021 days ago · 7 km deep · 62 km away · felt by 1
- 1.75km NW of The Geysers, CA · 2021 days ago · 1 km deep · 12 km away
- 1.86km WNW of The Geysers, CA · 2020 days ago · 3 km deep · 11 km away
- 2.27km SW of Arbuckle, CA · 2020 days ago · 15 km deep · 70 km away · felt by 1
- 4.021km SSW of Willits, CA · 2020 days ago · 8 km deep · 80 km away · felt by 126
- 2.821km SSW of Willits, CA · 2020 days ago · 7 km deep · 81 km away · felt by 13
- 1.620km SSW of Willits, CA · 2020 days ago · 8 km deep · 81 km away
- 1.94km SW of Anderson Springs, CA · 2020 days ago · 2 km deep · 13 km away
- 2.410km SE of Willits, CA · 2019 days ago · 6 km deep · 80 km away · felt by 2
- 2.26km WNW of Cobb, CA · 2018 days ago · 2 km deep · 15 km away
- 1.76km WNW of Cobb, CA · 2018 days ago · 2 km deep · 15 km away
- 1.54km WNW of The Geysers, CA · 2018 days ago · 0 km deep · 11 km away
- 1.96km NW of The Geysers, CA · 2018 days ago · 3 km deep · 13 km away
- 2.813km SE of Talmage, CA · 2018 days ago · 2 km deep · 41 km away · felt by 4
- 2.813km SE of Talmage, CA · 2018 days ago · -1 km deep · 41 km away · felt by 17
- 2.04km SSW of Anderson Springs, CA · 2017 days ago · 1 km deep · 13 km away
- 1.913km SE of Talmage, CA · 2017 days ago · 2 km deep · 41 km away
- 1.77km E of Willits, CA · 2016 days ago · 7 km deep · 86 km away
- 2.04km NW of The Geysers, CA · 2015 days ago · 1 km deep · 12 km away · felt by 1
- 1.820km NNW of Boonville, CA · 2014 days ago · 5 km deep · 74 km away
- 3.15km W of Cobb, CA · 2014 days ago · 1 km deep · 15 km away · felt by 12
- 1.93km NNW of The Geysers, CA · 2014 days ago · 0 km deep · 13 km away
- 1.83km NNW of The Geysers, CA · 2014 days ago · 0 km deep · 13 km away
- 1.75km W of Cobb, CA · 2014 days ago · 2 km deep · 14 km away
- 1.51km WNW of The Geysers, CA · 2013 days ago · 1 km deep · 12 km away
- 1.78km NW of The Geysers, CA · 2013 days ago · 2 km deep · 14 km away
- 1.68km NW of The Geysers, CA · 2013 days ago · 2 km deep · 14 km away
- 1.98km WNW of Cobb, CA · 2013 days ago · 1 km deep · 16 km away · felt by 1
- 1.78km NW of The Geysers, CA · 2012 days ago · 2 km deep · 14 km away
- 1.610km WNW of Calistoga, CA · 2012 days ago · 8 km deep · 18 km away · felt by 1
- 1.510km ESE of Willits, CA · 2012 days ago · 7 km deep · 80 km away
- 1.713km W of Lakeport, CA · 2012 days ago · 0 km deep · 40 km away
- 2.33km NE of The Geysers, CA · 2012 days ago · 2 km deep · 14 km away · felt by 1
- 1.512km WNW of Upper Lake, CA · 2010 days ago · 9 km deep · 57 km away
- 2.52km SSW of Cobb, CA · 2008 days ago · 2 km deep · 15 km away · felt by 5
- 1.65km WNW of The Geysers, CA · 2007 days ago · 3 km deep · 11 km away
- 1.99km WNW of The Geysers, CA · 2007 days ago · 2 km deep · 13 km away
- 1.82km N of Lake Pillsbury, CA · 2007 days ago · 7 km deep · 80 km away
- 1.87km NW of The Geysers, CA · 2007 days ago · 2 km deep · 14 km away
- 1.57km NW of The Geysers, CA · 2007 days ago · 2 km deep · 12 km away
- 2.44km WNW of The Geysers, CA · 2006 days ago · 3 km deep · 11 km away · felt by 2
- 2.94km WNW of The Geysers, CA · 2006 days ago · 4 km deep · 11 km away · felt by 15
- 2.56km S of Calistoga, CA · 2006 days ago · 9 km deep · 32 km away · felt by 10
- 1.81km SW of East Richmond Heights, CA · 2006 days ago · 4 km deep · 98 km away
- 1.66km NNE of Windsor, CA · 2006 days ago · 5 km deep · 14 km away
The first 60 of 197.
Before
- 2.713km W of Lake Pillsbury, CA · 2026 days ago · 1 km deep · 83 km away · felt by 6
- 2.27km NW of The Geysers, CA · 2026 days ago · 3 km deep · 14 km away
- 1.613km NW of The Geysers, CA · 2026 days ago · 3 km deep · 15 km away
- 2.710km WNW of American Canyon, CA · 2026 days ago · 9 km deep · 70 km away · felt by 20
- 1.910km ESE of Willits, CA · 2028 days ago · 6 km deep · 80 km away
- 1.62km E of Vallejo, CA · 2030 days ago · 7 km deep · 87 km away
- 1.76km SSW of Yountville, CA · 2030 days ago · 7 km deep · 58 km away · felt by 1
- 1.810km ESE of Willits, CA · 2031 days ago · 6 km deep · 80 km away
- 1.88km NW of The Geysers, CA · 2031 days ago · 2 km deep · 14 km away
- 1.910km NNW of Redwood Valley, CA · 2031 days ago · 6 km deep · 78 km away
- 1.818km SE of Lake Pillsbury, CA · 2032 days ago · 7 km deep · 67 km away
- 2.018km NE of Upper Lake, CA · 2032 days ago · 2 km deep · 63 km away
- 1.86km NW of The Geysers, CA · 2032 days ago · 3 km deep · 13 km away
- 2.13km W of Cobb, CA · 2032 days ago · 2 km deep · 15 km away
- 1.65km WNW of Cobb, CA · 2034 days ago · 2 km deep · 16 km away
- 1.76km NW of The Geysers, CA · 2034 days ago · 3 km deep · 14 km away
- 1.72km NW of The Geysers, CA · 2034 days ago · 2 km deep · 12 km away
- 2.06km NW of The Geysers, CA · 2034 days ago · 3 km deep · 13 km away
- 1.53km W of Cobb, CA · 2036 days ago · 2 km deep · 15 km away
- 1.810km ESE of Willits, CA · 2037 days ago · 5 km deep · 80 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73539360. Read Sun, Oct 4, 2026, 4:45 PM UTC.