United States · California

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

UTC time: 2026-10-08 15:23:54 UTC Local time: —
Magnitude
M1.2
Depth
22.6 km
Source
SCEDC

California · Riverside County

Country overview

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About this earthquake

A magnitude M1.2 earthquake was recorded near Riverside County, California (United States) on October 8, 2026 at 15:23 UTC. The hypocenter lay relatively close to the surface at around 23 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by SCEDC. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.6.

Details

ID
d0a5d3405d56dbd978be0d7881dd79c4fcc2ba80
Magnitude
M1.2
Depth
22.6 km
UTC time
2026-10-08 15:23:54 UTC
Local time
—
Country
State
Source
scedc
Coordinates
33.78667, -117.44200
Temperature
24.7°C

Depth profile

Depth profile Depth: 22.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.6 km
Shallow
22.6 km
22.6 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

  • Distance: 182 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Distance: 360 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Distance: 427 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Distance: 451 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Distance: 469 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Distance: 487 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Ontario International AirportUnited States · ONT · KONT
    33.3 kmStraight-line distance
  • San Bernardino International AirportUnited States · SBD · KSBD
    39.3 kmStraight-line distance
  • John Wayne Orange County International AirportUnited States · SNA · KSNA
    41.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

Nuclear power plants

  • San Onofre nuclear power plantUnited StatesPermanently shut downReactor units at site: 3
    47.6 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

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

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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