M2.5 Depth: -0.1 km

M2.5 Earthquake near 20 km W of Petrolia, CA (United States)

UTC time: 2025-05-26 08:33:31 UTC Local time:

About this earthquake

On May 26, 2025 at 08:33 UTC, a magnitude M2.5 earthquake occurred near 20 km W of Petrolia, CA (United States). Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 144 earthquakes, the strongest at M3.3.

Details

Magnitude
M2.5
Depth
-0.1 km
UTC time
2025-05-26 08:33:31 UTC
Local time
Country
Source
usgs
Coordinates
40.28400, -124.51583
Temperature
11.1°C

Map

Depth profile

Depth profile Depth: -0.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.1 km
Shallow
-0.1 km
0 km — shallower than the regional average (15.3 km)
Regional average: 15.3 km
Negative depth = focus above sea level (terrain elevation).
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: 232 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 256 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 263 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 289 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

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

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

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