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M0.5 Depth: 12.1 km

M0.5 Earthquake near Riverside County, California (United States)

UTC time: 2026-08-23 05:06:00 UTC Local time: —

About this earthquake

On August 23, 2026 at 05:06 UTC, a magnitude M0.5 earthquake occurred near Riverside County, California (United States). With a focal depth of about 12 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: 168 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

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 (15.4 km)
Regional average: 15.4 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: 139 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 376 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 385 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 465 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 478 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • San Luis, Isla
    Distance: 478 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico

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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