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M1.1 Depth: 10.9 km

M1.1 Earthquake near Riverside County, California (United States)

UTC time: 2026-08-24 02:26:18 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near Riverside County, California (United States) on August 24, 2026 at 02:26 UTC. The hypocenter lay relatively close to the surface at around 11 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: over the past 24 hours, QuakeMap24 logged 258 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 10.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.9 km
Shallow
10.9 km
10.9 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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: 133 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 374 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 401 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 457 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 483 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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