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M2.4 Depth: 23.2 km

M2.4 Earthquake near Woolsey, California (United States)

UTC time: 2026-04-18 16:55:00 UTC Local time: —

About this earthquake

A magnitude M2.4 earthquake was recorded near Woolsey, California (United States) on April 18, 2026 at 16:55 UTC. The hypocenter lay relatively close to the surface at around 23 km, increasing how strongly it was felt. 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 175 earthquakes, the strongest at M3.0.

Details

Magnitude
M2.4
Depth
23.2 km
UTC time
2026-04-18 16:55:00 UTC
Local time
—
Country
United States
State
California
City
Woolsey
County
Sonoma County
Source
usgs
Coordinates
38.49400, -122.81367
Temperature
21.6°C

Map

Depth profile

Depth profile Depth: 23.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.2 km
Shallow
23.2 km
23.2 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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: 53 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 249 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 328 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Mono Lake Volcanic Field
    Distance: 335 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 340 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 345 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·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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