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United States · California

M1.6 Earthquake near Riverside County, California (United States)

UTC time: 2026-10-03 03:09:27 UTC Local time: —

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About this earthquake

On October 3, 2026 at 03:09 UTC, a magnitude M1.6 earthquake occurred near Riverside County, California (United States). The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
5be0da38021a30e9d4a6f92297fb52a25388a9f0
Magnitude
M1.6
Depth
16.4 km
UTC time
2026-10-03 03:09:27 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.65067, -116.70734
Temperature
21.8°C

Depth profile

Depth profile Depth: 16.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.4 km
Shallow
16.4 km
16.4 km — close to 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: 113 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 361 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 381 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: 463 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Mammoth Mountain
    Distance: 490 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-10-03

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

03 Oct 2025 – 03 Oct 2026 · M ≥ 2.0 · 2,450 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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