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M1.0 Depth: 12.1 km

M1.0 Earthquake near 6 km NNW of Rancho Cucamonga, CA (United States)

UTC time: 2025-11-18 10:38:35 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near 6 km NNW of Rancho Cucamonga, CA (United States) on November 18, 2025 at 10:38 UTC. The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 234 earthquakes, the strongest at M4.3.

Details

Magnitude
M1.0
Depth
12.1 km
UTC time
2025-11-18 10:38:35 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
34.17700, -117.60600
Temperature
9.0°C

Map

Depth profile

Depth profile Depth: 12.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.1 km
Shallow
12.1 km
12.1 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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: 214 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 316 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 405 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 423 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 444 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 462 km ·Volcanic field ·Elevation: 1'183 m ·Mexico

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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