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M2.4 Depth: 23.2 km

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

UTC time: 2026-04-18 16:54:59 UTC Local time: —

About this earthquake

A magnitude M2.4 earthquake was recorded near Woolsey, California (United States) on April 18, 2026 at 16:54 UTC. With a focal depth of about 23 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. United States: 175 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Details

Magnitude
M2.4
Depth
23.2 km
UTC time
2026-04-18 16:54:59 UTC
Local time
—
Country
United States
State
California
City
Woolsey
County
Sonoma County
Source
emsc
Coordinates
38.49400, -122.81370
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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