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M1.2 Depth: 17.5 km

M1.2 Earthquake near Rancho Cucamonga, California (United States)

UTC time: 2026-07-13 23:09:18 UTC Local time: —

About this earthquake

A magnitude M1.2 earthquake was recorded near Rancho Cucamonga, California (United States) on July 13, 2026 at 23:09 UTC. The hypocenter lay relatively close to the surface at around 18 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 SCEDC. United States: 228 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Map

Depth profile

Depth profile Depth: 17.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.5 km
Shallow
17.5 km
17.5 km — close to 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: 208 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 322 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 412 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 430 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 451 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 456 km ·Volcanic field ·Elevation: 1'183 m ·Mexico

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