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M1.9 Depth: 10.2 km

M1.9 Earthquake near Humboldt County, California (United States)

UTC time: 2026-08-28 05:55:57 UTC Local time: —

About this earthquake

On August 28, 2026 at 05:55 UTC, a magnitude M1.9 earthquake occurred near Humboldt County, California (United States). With a focal depth of about 10 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 data is provided by USGS and cross-checked across seismological networks. United States: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

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Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 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: 203 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 225 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 247 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 271 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 282 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 302 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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