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M2.3 Depth: -0.3 km

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

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

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: 196 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Map

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 (15.3 km)
Regional average: 15.3 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

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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