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United States · California

M2.6 Earthquake near Humboldt County, California (United States)

UTC time: 2026-09-15 03:36:20 UTC Local time: —

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About this earthquake

On September 15, 2026 at 03:36 UTC, a magnitude M2.6 earthquake occurred near Humboldt County, California (United States). The hypocenter lay relatively close to the surface at around 24 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 173 earthquakes, the strongest at M3.7.

Details

ID
0bba1aa336bc28df1360af35858fb1560dc38ced
Magnitude
M2.6
Depth
24.2 km
UTC time
2026-09-15 03:36:20 UTC
Local time
—
Country
United States
State
California
City
Humboldt County
County
Humboldt County
Source
usgs
Coordinates
40.56000, -124.01167
Temperature
13.8°C

Depth profile

Depth profile Depth: 24.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 24.2 km
Shallow
24.2 km
24.2 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 179 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Clear Lake Volcanic Field
    Distance: 206 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 212 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 237 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 297 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Crater Lake
    Distance: 308 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • California Redwood Coast-Humboldt County AirportUnited States · ACV · KACV
    47.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

Nuclear power plants

  • Humboldt Bay nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    26.1 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

California

Context for this earthquake

15 Sep 2025 – 15 Sep 2026 · M ≥ 2.0 · 2,413 Catalogue entries

Of 2,412 other entries for this area and period, 610 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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