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M1.1 Depth: 15.5 km

M1.1 Earthquake near Calimesa, California (United States)

UTC time: 2026-07-31 20:49:35 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near Calimesa, California (United States) on July 31, 2026 at 20:49 UTC. With a focal depth of about 16 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 159 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

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Depth profile

Depth profile Depth: 15.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.5 km
Shallow
15.5 km
15.5 km — close to 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: 156 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 338 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 404 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 440 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 444 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 461 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

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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