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United States · California

M1.1 Earthquake near Sonoma County, California (United States)

UTC time: 2026-09-16 15:25:41 UTC Local time: —

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About this earthquake

On September 16, 2026 at 15:25 UTC, a magnitude M1.1 earthquake occurred near Sonoma County, California (United States). Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 169 earthquakes were recorded in the past 24 hours, the strongest reaching M6.5.

Details

ID
d3d40f6936d8ed04b98cdf703d33fc9451be6351
Magnitude
M1.1
Depth
-0.6 km
UTC time
2026-09-16 15:25:41 UTC
Local time
—
Country
United States
State
California
City
Sonoma County
County
Sonoma County
Source
usgs
Coordinates
38.79617, -122.79400
Temperature
14.2°C

Depth profile

Depth profile Depth: -0.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.6 km
Shallow
-0.6 km
0 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Negative depth = focus above sea level (terrain elevation).
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: 19 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 218 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 295 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 330 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 340 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 347 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Charles M. Schulz Sonoma County AirportUnited States · STS · KSTS
    32.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-17

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

California

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 2.0 · 2,411 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

Open history map
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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