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M2.5 Depth: 9.2 km

M2.5 Earthquake near 15 km WSW of Petrolia, CA (United States)

UTC time: 2025-10-07 08:05:21 UTC Local time: —

About this earthquake

On October 7, 2025 at 08:05 UTC, a magnitude M2.5 earthquake occurred near 15 km WSW of Petrolia, CA (United States). The hypocenter lay relatively close to the surface at around 9 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: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M2.5
Depth
9.2 km
UTC time
2025-10-07 08:05:21 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
40.28500, -124.45133
Temperature
13.8°C

Map

Depth profile

Depth profile Depth: 9.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.2 km
Shallow
9.2 km
9.2 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 227 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 250 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 269 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 284 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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