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M1.8 Depth: 10.5 km

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

UTC time: 2026-08-06 02:43:55 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Trinity County, California (United States) on August 6, 2026 at 02:43 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 166 earthquakes, the strongest at M4.5.

Map

Depth profile

Depth profile Depth: 10.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.5 km
Shallow
10.5 km
10.5 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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: 130 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 173 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: 359 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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