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United States · California

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

UTC time: 2026-09-10 00:31:22 UTC Local time: —

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About this earthquake

A magnitude M1.5 earthquake was recorded near Bonsall, California (United States) on September 10, 2026 at 00:31 UTC. The hypocenter lay relatively close to the surface at around 4 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 217 earthquakes, the strongest at M3.7.

Details

ID
92b695ce10e8e4e1c29b2108e29a1f64304dc76e
Magnitude
M1.5
Depth
4.3 km
UTC time
2026-09-10 00:31:22 UTC
Local time
—
Country
United States
State
California
City
Bonsall
County
San Diego County
Village
Bonsall
Source
scedc
Coordinates
33.28050, -117.21433
Temperature
37.9°C

Depth profile

Depth profile Depth: 4.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.3 km
Shallow
4.3 km
4.3 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: 149 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 383 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 416 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 454 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • McClellan-Palomar AirportUnited States · CLD · KCRQ
    18.0 kmStraight-line distance

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

Nuclear power plants

  • San Onofre nuclear power plantUnited StatesPermanently shut downReactor units at site: 3
    33.1 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

10 Sep 2025 – 10 Sep 2026 · M ≥ 2.0 · 2,413 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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