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United States · California

M1.1 Earthquake near Riverside County, California (United States)

UTC time: 2026-10-31 09:43:24 UTC Local time: —

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About this earthquake

On October 31, 2026 at 09:43 UTC, a magnitude M1.1 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. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 190 earthquakes, the strongest at M4.3.

Details

ID
1a33fe563e0cd4c6a70fec4d045262bb2e3a7773
Magnitude
M1.1
Depth
10.0 km
UTC time
2026-10-31 09:43:24 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.45883, -116.54916
Temperature
8.5°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 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: 91 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 337 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 404 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 437 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 450 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 494 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-10-31

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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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