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United States · California

M2.3 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-04 15:27:27 UTC Local time: —

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About this earthquake

On September 4, 2026 at 15:27 UTC, a magnitude M2.3 earthquake occurred near Mendocino 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: 158 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

ID
6acc89184bc5364217e1b1c787a5e36f255bd5a9
Magnitude
M2.3
Depth
-0.3 km
UTC time
2026-09-04 15:27:27 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.44316, -123.31367
Temperature
12.8°C

Depth profile

Depth profile Depth: -0.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.3 km
Shallow
-0.3 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: 70 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 193 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 238 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 283 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 381 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Escanaba Segment
    Distance: 394 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 Catalogue entries

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

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