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M1.7 Depth: 3.8 km

M1.7 Earthquake near 3 km WNW of Cotati, CA (United States)

UTC time: 2025-12-22 06:46:42 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near 3 km WNW of Cotati, CA (United States) on December 22, 2025 at 06:46 UTC. With a focal depth of about 4 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 233 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M1.7
Depth
3.8 km
UTC time
2025-12-22 06:46:42 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
38.34133, -122.73683
Temperature
13.8°C

Map

Depth profile

Depth profile Depth: 3.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.8 km
Shallow
3.8 km
3.8 km — shallower than the regional average (15.7 km)
Regional average: 15.7 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Clear Lake Volcanic Field
    Distance: 70 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 261 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Mono Lake Volcanic Field
    Distance: 326 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 330 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 334 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Shasta
    Distance: 344 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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