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M1.5 Depth: 0.9 km

M1.5 Earthquake near Fort Bragg Unified School District, California (United States)

UTC time: 2026-09-01 09:32:56 UTC Local time: —

About this earthquake

On September 1, 2026 at 09:32 UTC, a magnitude M1.5 earthquake occurred near Fort Bragg Unified School District, California (United States). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 144 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Map

Depth profile

Depth profile Depth: 0.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.9 km
Shallow
0.9 km
0.9 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: 140 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 228 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 238 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 291 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 324 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Jackson Segment
    Distance: 367 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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