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United States · California

M1.2 Earthquake near Riverside County, California (United States)

UTC time: 2026-09-09 09:11:15 UTC Local time: —

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About this earthquake

On September 9, 2026 at 09:11 UTC, a magnitude M1.2 earthquake occurred near Riverside County, California (United States). With a focal depth of about 21 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 220 earthquakes, the strongest at M3.0.

Details

ID
10679c17a4d068f75e7cdb180ea0323effb38be6
Magnitude
M1.2
Depth
21.1 km
UTC time
2026-09-09 09:11:15 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.97617, -116.84100
Temperature
24.9°C

Depth profile

Depth profile Depth: 21.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.1 km
Shallow
21.1 km
21.1 km — deeper 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: 143 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 343 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 391 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 430 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 452 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 469 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
    34.9 kmStraight-line distance
  • San Bernardino International AirportUnited States · SBD · KSBD
    38.8 kmStraight-line distance

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

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

09 Sep 2025 – 09 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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