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United States · California

M1.5 Earthquake near Mendocino County, California (United States)

UTC time: 2026-08-31 21:06:12 UTC Local time: —

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About this earthquake

On August 31, 2026 at 21:06 UTC, a magnitude M1.5 earthquake occurred near Mendocino County, California (United States). With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 141 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Details

ID
d840a4dee043b7cf3b136afe60b08c30c385d055
Magnitude
M1.5
Depth
3.0 km
UTC time
2026-08-31 21:06:12 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.46850, -123.14684
Temperature
24.9°C

Depth profile

Depth profile Depth: 3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3 km
Shallow
3 km
3 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: 64 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 180 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 230 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 274 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 366 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 393 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·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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