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M3.1 Depth: 11.6 km

M3.1 Earthquake near 7 km N of Westmorland, CA (United States)

UTC time: 2025-10-23 00:04:29 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near 7 km N of Westmorland, CA (United States) on October 23, 2025 at 00:04 UTC. The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 190 earthquakes, the strongest at M4.7.

Details

Magnitude
M3.1
Depth
11.6 km
UTC time
2025-10-23 00:04:29 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
33.10083, -115.61400
Temperature
23.3°C

Map

Depth profile

Depth profile Depth: 11.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.6 km
Shallow
11.6 km
11.6 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

  • Salton Buttes
    Distance: 11 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 242 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 366 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 429 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 432 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • San Francisco Volcanic Field
    Distance: 440 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·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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