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United States

M1.8 Earthquake near 12 km W of Petrolia, CA (United States)

UTC time: 2025-04-26 04:41:35 UTC Local time: —

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About this earthquake

A magnitude M1.8 earthquake was recorded near 12 km W of Petrolia, CA (United States) on April 26, 2025 at 04:41 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 159 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
f484d44dbbaad56355e1c34b4aff73822b18ce20
Magnitude
M1.8
Depth
10.2 km
UTC time
2025-04-26 04:41:35 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
40.30900, -124.41917
Temperature
10.2°C

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 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: 205 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 224 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 247 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 270 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: 300 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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