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M1.2 Depth: 21.4 km

M1.2 Earthquake near 1.0 km ( .6 mi) NW (az= 322.9) from San Dimas, CA (United States)

UTC time: 2025-12-14 15:27:55 UTC Local time: —

About this earthquake

On December 14, 2025 at 15:27 UTC, a magnitude M1.2 earthquake occurred near 1.0 km (.6 mi) NW (az= 322.9) from San Dimas, CA (United States). The hypocenter lay relatively close to the surface at around 21 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by SCEDC and cross-checked across seismological networks. United States: 201 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

Magnitude
M1.2
Depth
21.4 km
UTC time
2025-12-14 15:27:55 UTC
Local time
—
Country
United States
City
California
Source
scedc
Coordinates
34.11400, -117.81333
Temperature
14.3°C

Map

Depth profile

Depth profile Depth: 21.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.4 km
Shallow
21.4 km
21.4 km — deeper 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: 227 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 325 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 406 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 425 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 446 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 475 km ·Volcanic field ·Elevation: 1'183 m ·Mexico

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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