Back to map
M1.5 Depth: 8.2 km

M1.5 Earthquake near 7 km NNW of Westmorland, CA (United States)

UTC time: 2025-12-15 15:17:21 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 7 km NNW of Westmorland, CA (United States) on December 15, 2025 at 15:17 UTC. The hypocenter lay relatively close to the surface at around 8 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: 227 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

Magnitude
M1.5
Depth
8.2 km
UTC time
2025-12-15 15:17:21 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
33.09383, -115.66283
Temperature
21.8°C

Map

Depth profile

Depth profile Depth: 8.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.2 km
Shallow
8.2 km
8.2 km — shallower than the regional average (15.7 km)
Regional average: 15.7 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: 12 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 246 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 367 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 432 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 433 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • San Francisco Volcanic Field
    Distance: 444 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States

Historic earthquake map · United States

Open history map
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.

Share