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M2.8 Depth: 11.3 km

M2.8 Earthquake near Humboldt County, California (United States)

UTC time: 2026-09-03 16:54:30 UTC Local time: —

About this earthquake

On September 3, 2026 at 16:54 UTC, a magnitude M2.8 earthquake occurred near Humboldt County, California (United States). With a focal depth of about 11 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 event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 203 earthquakes, the strongest at M5.9.

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Depth profile

Depth profile Depth: 11.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.3 km
Shallow
11.3 km
11.3 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: 184 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 213 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 228 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 269 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 293 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Jackson Segment
    Distance: 322 km ·Fissure vent(s) ·Elevation: -3'100 m ·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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