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M1.0 Depth: 25.2 km

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

UTC time: 2026-07-27 12:50:17 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Riverside County, California (United States) on July 27, 2026 at 12:50 UTC. The hypocenter lay relatively close to the surface at around 25 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 201 earthquakes, the strongest at M3.8.

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Depth profile

Depth profile Depth: 25.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25.2 km
Shallow
25.2 km
25.2 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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: 160 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 350 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 408 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 450 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Uinkaret Field
    Distance: 458 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mono-Inyo Craters
    Distance: 468 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Historic earthquake map · United States

Open history map
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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