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United States · California

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

UTC time: 2026-10-25 22:27:20 UTC Local time: —

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About this earthquake

On October 25, 2026 at 22:27 UTC, a magnitude M1.8 earthquake occurred near Trinity County, California (United States). With a focal depth of about 6 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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: 151 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Details

ID
b395142164006a17fdc46170c71d7abbde456eb9
Magnitude
M1.8
Depth
6.3 km
UTC time
2026-10-25 22:27:20 UTC
Local time
—
Country
United States
State
California
City
Trinity County
County
Trinity County
Source
usgs
Coordinates
40.01933, -123.45983
Temperature
22.2°C

Depth profile

Depth profile Depth: 6.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.3 km
Shallow
6.3 km
6.3 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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: 131 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 174 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 188 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 239 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Crater Lake
    Distance: 344 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States
  • Escanaba Segment
    Distance: 358 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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