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M2.6 Depth: 28.1 km

M2.6 Earthquake near Trinity County, California (United States)

UTC time: 2026-08-18 15:59:17 UTC Local time: —

About this earthquake

A magnitude M2.6 earthquake was recorded near Trinity County, California (United States) on August 18, 2026 at 15:59 UTC. The hypocenter lay relatively close to the surface at around 28 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: over the past 24 hours, QuakeMap24 logged 215 earthquakes, the strongest at M4.8.

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Depth profile

Depth profile Depth: 28.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.1 km
Shallow
28.1 km
28.1 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Shasta
    Distance: 105 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 151 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 162 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Clear Lake Volcanic Field
    Distance: 214 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Crater Lake
    Distance: 249 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States
  • Cinnamon Butte
    Distance: 280 km ·Pyroclastic cone(s) ·Elevation: 1'958 m ·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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