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United States · California

M0.9 Earthquake near Ontario, California (United States)

UTC time: 2026-09-24 07:13:33 UTC Local time: —

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About this earthquake

On September 24, 2026 at 07:13 UTC, a magnitude M0.9 earthquake occurred near Ontario, California (United States). The hypocenter lay relatively close to the surface at around 7 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: 211 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
a695dc619a913d808af1b439c3170578ee17d3bf
Magnitude
M0.9
Depth
7.1 km
UTC time
2026-09-24 07:13:33 UTC
Local time
—
Country
United States
State
California
City
Ontario
County
San Bernardino County
Source
usgs
Coordinates
34.03583, -117.55250
Temperature
20.3°C

Depth profile

Depth profile Depth: 7.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.1 km
Shallow
7.1 km
7.1 km — shallower 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: 202 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 332 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 421 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 440 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Pinacate
    Distance: 449 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mono Lake Volcanic Field
    Distance: 460 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

  • Ontario International AirportUnited States · ONT · KONT
    5.0 kmStraight-line distance
  • San Bernardino International AirportUnited States · SBD · KSBD
    29.9 kmStraight-line distance
  • John Wayne Orange County International AirportUnited States · SNA · KSNA
    49.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-24

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

24 Sep 2025 – 24 Sep 2026 · M ≥ 2.0 · 2,420 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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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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