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M1.8 Depth: 19.1 km

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

UTC time: 2026-05-03 21:04:11 UTC Local time: —

About this earthquake

On May 3, 2026 at 21:04 UTC, a magnitude M1.8 earthquake occurred near Humboldt County, California (United States). The hypocenter lay relatively close to the surface at around 19 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: 204 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 19.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.1 km
Shallow
19.1 km
19.1 km — deeper than the regional average (15.9 km)
Regional average: 15.9 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: 211 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Clear Lake Volcanic Field
    Distance: 223 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 246 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 265 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 269 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 285 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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