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M0.9 Depth: 8.3 km

M0.9 Earthquake near Riverside County, California (United States)

UTC time: 2026-08-24 03:59:28 UTC Local time: —

About this earthquake

On August 24, 2026 at 03:59 UTC, a magnitude M0.9 earthquake occurred near Riverside County, California (United States). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 257 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 8.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.3 km
Shallow
8.3 km
8.3 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: 137 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 357 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: 441 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 464 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 481 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·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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