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United States · California

M1.8 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-26 04:15:28 UTC Local time: —

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About this earthquake

On September 26, 2026 at 04:15 UTC, a magnitude M1.8 earthquake occurred near Mendocino County, California (United States). The hypocenter lay relatively close to the surface at around 2 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 157 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
9f8e2fe1a0f88948189348c9e18a79c257ec050a
Magnitude
M1.8
Depth
1.8 km
UTC time
2026-09-26 04:15:28 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.01583, -123.48450
Temperature
11.7°C

Depth profile

Depth profile Depth: 1.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.8 km
Shallow
1.8 km
1.8 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: 62 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 236 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 288 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 332 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 401 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 404 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

California

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 2.0 · 2,422 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

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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

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