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United States · California

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

UTC time: 2026-09-22 02:03:24 UTC Local time: —

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About this earthquake

On September 22, 2026 at 02:03 UTC, a magnitude M0.5 earthquake occurred near Riverside County, California (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 180 earthquakes, the strongest at M3.0.

Details

ID
3215d2522b3b73b3f33f4c127a09252e186e434c
Magnitude
M0.5
Depth
10.2 km
UTC time
2026-09-22 02:03:24 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.73583, -116.84533
Temperature
19.2°C

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 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: 129 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 369 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 376 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 448 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 476 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

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Palm Springs International AirportUnited States · PSP · KPSP
    33.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

California

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 2.0 · 2,416 Catalogue entries

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

Open seismic profile

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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