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United States · California

M0.9 Earthquake near Riverside County, California (United States)

UTC time: 2026-10-28 11:34:22 UTC Local time: —
Magnitude
M0.9
Depth
12.3 km
Source
SCEDC

California · Riverside County

Country overview

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About this earthquake

On October 28, 2026 at 11:34 UTC, a magnitude M0.9 earthquake occurred near Riverside County, California (United States). With a focal depth of about 12 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 SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 173 earthquakes, the strongest at M3.9.

Details

ID
485e73c78dd0a87814308fd6a63365cf6a09ce6a
Magnitude
M0.9
Depth
12.3 km
UTC time
2026-10-28 11:34:22 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
scedc
Coordinates
33.94417, -116.72500
Temperature
15.0°C

Depth profile

Depth profile Depth: 12.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.3 km
Shallow
12.3 km
12.3 km — close to the regional average (15.3 km)
Regional average: 15.3 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: 132 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 348 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 381 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 424 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 460 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 477 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-10-28

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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