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United States · California

M1.7 Earthquake near Riverside County, California (United States)

UTC time: 2026-09-26 18:14:11 UTC Local time: —

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About this earthquake

A magnitude M1.7 earthquake was recorded near Riverside County, California (United States) on September 26, 2026 at 18:14 UTC. The hypocenter lay relatively close to the surface at around 1 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 USGS. United States: 158 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
57c9d86c751f5632930baa2ebbe22aad0470964a
Magnitude
M1.7
Depth
1.1 km
UTC time
2026-09-26 18:14:11 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.72700, -115.94500
Temperature
34.2°C

Depth profile

Depth profile Depth: 1.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.1 km
Shallow
1.1 km
1.1 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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: 66 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 309 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 391 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Ubehebe Craters
    Distance: 391 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Francisco Volcanic Field
    Distance: 430 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States
  • San Luis, Isla
    Distance: 442 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico

California

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 2.0 · 2,424 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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