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United States · California

M1.4 Earthquake near Riverside County, California (United States)

UTC time: 2026-09-23 14:30:47 UTC Local time: —

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About this earthquake

On September 23, 2026 at 14:30 UTC, a magnitude M1.4 earthquake occurred near Riverside County, California (United States). The hypocenter lay relatively close to the surface at around 14 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: over the past 24 hours, QuakeMap24 logged 190 earthquakes, the strongest at M3.5.

Details

ID
4beafee8a64d676b179811de0032769259855de5
Magnitude
M1.4
Depth
13.8 km
UTC time
2026-09-23 14:30:47 UTC
Local time
—
Country
United States
State
California
City
Riverside County
County
Riverside County
Source
usgs
Coordinates
33.99250, -116.67316
Temperature
25.7°C

Depth profile

Depth profile Depth: 13.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.8 km
Shallow
13.8 km
13.8 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: 132 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 344 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 380 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 417 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 457 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 474 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
    23.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-23

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

23 Sep 2025 – 23 Sep 2026 · M ≥ 2.0 · 2,412 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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