M1.9 earthquake 6km NNE of Windsor, CA
A magnitude 1.9 earthquake struck 6km NNE of Windsor, CA on Sat, Nov 27, 2021, 7:28 AM PST (15:28 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.7 2km E of The Geysers, 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
- 2021-11-27 15:28:16 UTC
- Depth
- 6.6 km (4.1 mi), shallow
- Epicenter
- 38.597° N, 122.802° 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, 0.4 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 80°
- Stations used
- 78
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 66 in the 30 days before it.
After
- 1.89km W of Cobb, CA · 1770 days ago · 1 km deep · 27 km away
- 1.69km W of Cobb, CA · 1770 days ago · 1 km deep · 27 km away
- 1.59km WNW of Cobb, CA · 1770 days ago · 1 km deep · 27 km away
- 1.912km W of Lake Pillsbury, CA · 1770 days ago · -1 km deep · 95 km away
- 1.616km ESE of Boonville, CA · 1769 days ago · 6 km deep · 52 km away
- 1.64km SSE of Redwood Valley, CA · 1769 days ago · 6 km deep · 78 km away
- 2.51km W of Kensington, CA · 1769 days ago · 5 km deep · 89 km away · felt by 965
- 2.01km W of Kensington, CA · 1769 days ago · 5 km deep · 88 km away · felt by 43
- 1.68km NW of The Geysers, CA · 1768 days ago · 2 km deep · 26 km away
- 1.76km NW of The Geysers, CA · 1768 days ago · 3 km deep · 25 km away
- 2.53km ENE of The Geysers, CA · 1768 days ago · 2 km deep · 23 km away · felt by 6
- 1.53km SSW of Cobb, CA · 1768 days ago · 1 km deep · 23 km away
- 2.41km NNW of The Geysers, CA · 1768 days ago · 2 km deep · 22 km away
- 1.88km NW of The Geysers, CA · 1765 days ago · 2 km deep · 26 km away
- 1.816km W of Ukiah, CA · 1764 days ago · 4 km deep · 82 km away
- 1.85km NW of Point Arena, CA · 1764 days ago · 3 km deep · 90 km away
- 2.51km NW of The Geysers, CA · 1764 days ago · 1 km deep · 21 km away · felt by 1
- 2.23km NNW of The Geysers, CA · 1764 days ago · 1 km deep · 23 km away
- 1.82km ESE of The Geysers, CA · 1763 days ago · 3 km deep · 20 km away
- 1.62km NE of The Geysers, CA · 1762 days ago · 2 km deep · 22 km away
- 1.77km W of Cobb, CA · 1762 days ago · 3 km deep · 26 km away
- 1.92km E of The Geysers, CA · 1762 days ago · 1 km deep · 21 km away
- 1.66km WNW of Cobb, CA · 1762 days ago · 2 km deep · 27 km away
- 1.53km ESE of The Geysers, CA · 1761 days ago · 1 km deep · 20 km away
- 1.61km ESE of The Geysers, CA · 1760 days ago · 1 km deep · 20 km away
- 2.22km E of Pacheco, CA · 1760 days ago · 16 km deep · 94 km away
- 1.81km NE of The Geysers, CA · 1760 days ago · 0 km deep · 22 km away
- 1.514km E of Boonville, CA · 1760 days ago · 7 km deep · 57 km away
- 2.04km WNW of The Geysers, CA · 1759 days ago · 1 km deep · 21 km away
- 1.72km W of Anderson Springs, CA · 1759 days ago · 2 km deep · 21 km away
- 1.59km WNW of Cobb, CA · 1758 days ago · 2 km deep · 27 km away
- 2.57km SW of Calistoga, CA · 1758 days ago · 7 km deep · 15 km away · felt by 30
- 2.18km SW of Calistoga, CA · 1758 days ago · 8 km deep · 15 km away
- 1.62km NW of The Geysers, CA · 1758 days ago · 3 km deep · 22 km away
- 1.74km NNW of Larkfield-Wikiup, CA · 1758 days ago · 9 km deep · 7 km away
- 1.97km W of Cobb, CA · 1757 days ago · 2 km deep · 26 km away
- 1.67km W of Cobb, CA · 1757 days ago · 2 km deep · 26 km away
- 1.63km NW of The Geysers, CA · 1756 days ago · 1 km deep · 23 km away
- 1.74km W of Cobb, CA · 1756 days ago · 2 km deep · 25 km away
- 1.510km NW of The Geysers, CA · 1756 days ago · 2 km deep · 28 km away
- 1.67km WSW of Lagunitas-Forest Knolls, CA · 1755 days ago · 5 km deep · 67 km away
- 1.97km WSW of The Geysers, CA · 1755 days ago · 4 km deep · 16 km away
- 1.71km NE of The Geysers, CA · 1755 days ago · 2 km deep · 21 km away
- 1.55km NNE of Clearlake, CA · 1754 days ago · 5 km deep · 48 km away
- 1.55km NW of The Geysers, CA · 1754 days ago · 3 km deep · 24 km away
- 1.87km WNW of Cobb, CA · 1754 days ago · 2 km deep · 27 km away
- 2.68km WNW of Cobb, CA · 1754 days ago · 2 km deep · 27 km away · felt by 2
- 1.63km E of The Geysers, CA · 1754 days ago · 1 km deep · 21 km away
- 2.020km ESE of Navarro Head, CA · 1754 days ago · 3 km deep · 87 km away
- 1.73km W of Anderson Springs, CA · 1753 days ago · 1 km deep · 21 km away
- 2.05km W of Cobb, CA · 1751 days ago · 2 km deep · 25 km away
- 2.00km NE of The Geysers, CA · 1751 days ago · 1 km deep · 21 km away
- 1.57km W of Cobb, CA · 1751 days ago · 1 km deep · 26 km away
- 1.66km ESE of Redwood Valley, CA · 1750 days ago · 2 km deep · 78 km away
- 2.18km W of Cobb, CA · 1750 days ago · 3 km deep · 26 km away
- 1.61km NW of The Geysers, CA · 1750 days ago · 2 km deep · 21 km away
- 2.210km ESE of Willits, CA · 1750 days ago · 7 km deep · 94 km away · felt by 1
- 1.88km NW of The Geysers, CA · 1748 days ago · 2 km deep · 26 km away
- 1.51km NNW of The Geysers, CA · 1748 days ago · 1 km deep · 22 km away
- 1.59km S of Boonville, CA · 1747 days ago · 0 km deep · 62 km away · felt by 1
The first 60 of 156.
Before
- 1.67km ENE of Kenwood, CA · 1771 days ago · 7 km deep · 34 km away
- 1.88km NW of The Geysers, CA · 1772 days ago · 2 km deep · 26 km away
- 1.612km NW of Upper Lake, CA · 1772 days ago · 1 km deep · 74 km away
- 2.27km NW of The Geysers, CA · 1772 days ago · 3 km deep · 25 km away
- 2.17km NW of The Geysers, CA · 1772 days ago · 3 km deep · 25 km away
- 2.05km W of Cobb, CA · 1772 days ago · 1 km deep · 25 km away · felt by 1
- 2.06km WNW of Cobb, CA · 1776 days ago · 2 km deep · 26 km away
- 1.910km ENE of Healdsburg, CA · 1776 days ago · 5 km deep · 7 km away
- 1.95km NNW of The Geysers, CA · 1776 days ago · 1 km deep · 25 km away
- 1.77km W of Cobb, CA · 1776 days ago · 3 km deep · 26 km away
- 2.49km WNW of Cobb, CA · 1777 days ago · 3 km deep · 27 km away
- 1.68km W of Cobb, CA · 1779 days ago · 2 km deep · 26 km away
- 2.44km S of Dillon Beach, CA · 1779 days ago · 10 km deep · 46 km away
- 1.83km S of Dillon Beach, CA · 1779 days ago · 10 km deep · 45 km away
- 1.713km ENE of Cloverdale, CA · 1780 days ago · 3 km deep · 28 km away
- 2.16km W of Cobb, CA · 1782 days ago · 3 km deep · 25 km away
- 2.513km W of Lakeport, CA · 1782 days ago · 3 km deep · 53 km away · felt by 7
- 1.63km SE of The Geysers, CA · 1782 days ago · 1 km deep · 19 km away
- 1.58km NW of The Geysers, CA · 1783 days ago · 2 km deep · 26 km away
- 1.93km SSW of Cobb, CA · 1783 days ago · 1 km deep · 23 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73658715. Read Sat, Oct 3, 2026, 11:17 PM UTC.