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United States · California

M2.1 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-03 15:05:36 UTC Local time: —

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About this earthquake

On September 3, 2026 at 15:05 UTC, a magnitude M2.1 earthquake occurred near Mendocino County, California (United States). The hypocenter lay relatively close to the surface at around 0 km, increasing how strongly it was felt. 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: 156 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
6abdb1bfca63922a1bb5283a3d0bb13901083aa6
Magnitude
M2.1
Depth
0.2 km
UTC time
2026-09-03 15:05:36 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.42216, -123.29984
Temperature
14.3°C

Depth profile

Depth profile Depth: 0.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.2 km
Shallow
0.2 km
0.2 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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: 68 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 194 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 240 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 285 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 380 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Escanaba Segment
    Distance: 396 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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Historic earthquake map · United States

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Country statistics · United States

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