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M1.0 Depth: 13.8 km

M1.0 Earthquake near Riverside County, California (United States)

UTC time: 2026-05-09 05:33:51 UTC Local time: —

About this earthquake

On May 9, 2026 at 05:33 UTC, a magnitude M1.0 earthquake occurred near Riverside County, California (United States). The hypocenter lay relatively close to the surface at around 14 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 SCEDC. United States: over the past 24 hours, QuakeMap24 logged 162 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 13.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.8 km
Shallow
13.8 km
13.8 km — close to the regional average (15.9 km)
Regional average: 15.9 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: 104 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 351 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 388 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 445 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Luis, Isla
    Distance: 454 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • San Francisco Volcanic Field
    Distance: 494 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·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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