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United States · California

M1.5 Earthquake near Irvine, California (United States)

UTC time: 2026-09-26 19:59:36 UTC Local time: —

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About this earthquake

A magnitude M1.5 earthquake was recorded near Irvine, California (United States) on September 26, 2026 at 19:59 UTC. The hypocenter lay relatively close to the surface at around 31 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by SCEDC. United States: over the past 24 hours, QuakeMap24 logged 147 earthquakes, the strongest at M3.9.

Details

ID
3add0ce334e28dc5c82f8a2ef9af4e0322fa6843
Magnitude
M1.5
Depth
31.3 km
UTC time
2026-09-26 19:59:36 UTC
Local time
—
Country
United States
State
California
City
Irvine
County
Orange County
Source
scedc
Coordinates
33.63066, -117.78750
Temperature
21.6°C

Depth profile

Depth profile Depth: 31.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 31.3 km
Shallow
31.3 km
31.3 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: 207 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 378 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 447 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 459 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
  • Mono Lake Volcanic Field
    Distance: 499 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • John Wayne Orange County International AirportUnited States · SNA · KSNA
    9.0 kmStraight-line distance
  • Long Beach International AirportUnited States · LGB · KLGB
    39.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-26

Nuclear power plants

  • San Onofre nuclear power plantUnited StatesPermanently shut downReactor units at site: 3
    36.3 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

26 Sep 2025 – 26 Sep 2026 · M ≥ 2.0 · 2,424 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

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Country statistics · United States

Country overview
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