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M3.4 Depth: 30.5 km

M3.4 Earthquake near 9 km ESE of Willow Creek, CA (United States)

UTC time: 2025-09-09 16:45:11 UTC Local time: —

About this earthquake

A magnitude M3.4 earthquake was recorded near 9 km ESE of Willow Creek, CA (United States) on September 9, 2025 at 16:45 UTC. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 192 earthquakes, the strongest at M4.8.

Details

Magnitude
M3.4
Depth
30.5 km
UTC time
2025-09-09 16:45:11 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
40.91950, -123.52250
Temperature
17.7°C

Map

Depth profile

Depth profile Depth: 30.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30.5 km
Shallow
30.5 km
30.5 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 124 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 176 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 182 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Clear Lake Volcanic Field
    Distance: 226 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Crater Lake
    Distance: 254 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States
  • Cinnamon Butte
    Distance: 283 km ·Pyroclastic cone(s) ·Elevation: 1'958 m ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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