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M1.0 Depth: 9.6 km

M1.0 Earthquake near 4 km N of Rancho Cucamonga, CA (United States)

UTC time: 2025-12-10 02:13:29 UTC Local time: —

About this earthquake

On December 10, 2025 at 02:13 UTC, a magnitude M1.0 earthquake occurred near 4 km N of Rancho Cucamonga, CA (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 193 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude
M1.0
Depth
9.6 km
UTC time
2025-12-10 02:13:29 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
34.15583, -117.57900
Temperature
17.9°C

Map

Depth profile

Depth profile Depth: 9.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.6 km
Shallow
9.6 km
9.6 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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: 211 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 319 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 408 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 426 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 447 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 459 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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