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M2.3 Depth: 20.6 km

M2.3 Earthquake near 14 km WNW of Petrolia, CA (United States)

UTC time: 2025-05-15 03:26:04 UTC Local time: —

About this earthquake

A magnitude M2.3 earthquake was recorded near 14 km WNW of Petrolia, CA (United States) on May 15, 2025 at 03:26 UTC. The hypocenter lay relatively close to the surface at around 21 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 166 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M2.3
Depth
20.6 km
UTC time
2025-05-15 03:26:04 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
40.33983, -124.44334
Temperature
10.4°C

Map

Depth profile

Depth profile Depth: 20.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20.6 km
Shallow
20.6 km
20.6 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

  • Clear Lake Volcanic Field
    Distance: 209 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 223 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 249 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: 281 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 297 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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