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M3.7 Depth: 9.1 km

M3.7 Earthquake near 23 km W of Petrolia, CA

UTC time: 2026-05-01 01:58:42 UTC Local time: —

About this earthquake

A magnitude M3.7 earthquake was recorded near 23 km W of Petrolia, CA on May 1, 2026 at 01:58 UTC. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M3.7
Depth
9.1 km
UTC time
2026-05-01 01:58:42 UTC
Local time
—
Country
—
Source
usgs
Coordinates
40.31050, -124.55750
Temperature
11.6°C

Map

Depth profile

Depth profile Depth: 9.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.1 km
Shallow
9.1 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: 214 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Shasta
    Distance: 233 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 259 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Escanaba Segment
    Distance: 259 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Medicine Lake
    Distance: 291 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Jackson Segment
    Distance: 292 km ·Fissure vent(s) ·Elevation: -3'100 m ·United States

Stats (last 24h)

Global (24h)
652
Country (24h)
—
—
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