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United States · California

M1.0 Earthquake near Orange County, California (United States)

UTC time: 2026-09-07 18:13:50 UTC Local time: —

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About this earthquake

A magnitude M1.0 earthquake was recorded near Orange County, California (United States) on September 7, 2026 at 18:13 UTC. The hypocenter lay relatively close to the surface at around 4 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

ID
ef27cfca1616a2341f6bc59d557a756e9c3975e9
Magnitude
M1.0
Depth
4.5 km
UTC time
2026-09-07 18:13:50 UTC
Local time
—
Country
United States
State
California
City
Orange County
County
Orange County
Source
usgs
Coordinates
33.79983, -117.68300
Temperature
28.3°C

Depth profile

Depth profile Depth: 4.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.5 km
Shallow
4.5 km
4.5 km — shallower than 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: 203 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 359 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 443 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Pinacate
    Distance: 447 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mono-Inyo Craters
    Distance: 461 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 483 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
    22.1 kmStraight-line distance
  • Ontario International AirportUnited States · ONT · KONT
    29.5 kmStraight-line distance
  • Long Beach International AirportUnited States · LGB · KLGB
    43.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-07

Nuclear power plants

  • San Onofre nuclear power plantUnited StatesPermanently shut downReactor units at site: 3
    49.4 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

07 Sep 2025 – 07 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

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Country statistics · United States

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

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