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M3.3 Depth: 7.3 km

M3.3 Earthquake near Riverside County, California (United States)

UTC time: 2026-08-01 16:51:06 UTC Local time: —

About this earthquake

A magnitude M3.3 earthquake was recorded near Riverside County, California (United States) on August 1, 2026 at 16:51 UTC. With a focal depth of about 7 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: 188 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Map

Depth profile

Depth profile Depth: 7.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.3 km
Shallow
7.3 km
7.3 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: 109 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 353 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 354 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 394 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 451 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States
  • Mammoth Mountain
    Distance: 474 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·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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