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M2.3 Depth: 4.0 km

M2.3 Earthquake near 17 km W of Petrolia, CA (United States)

UTC time: 2025-05-26 15:18:28 UTC Local time: —

About this earthquake

On May 26, 2025 at 15:18 UTC, a magnitude M2.3 earthquake occurred near 17 km W of Petrolia, CA (United States). With a focal depth of about 4 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 event was recorded by USGS. United States: 145 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude
M2.3
Depth
4.0 km
UTC time
2025-05-26 15:18:28 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
40.27017, -124.47583
Temperature
11.1°C

Map

Depth profile

Depth profile Depth: 4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4 km
Shallow
4 km
4 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: 206 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 230 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 253 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 267 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 287 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 300 km ·Fissure vent(s) ·Elevation: -3'100 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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