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United States · California

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

UTC time: 2026-09-29 10:00:17 UTC Local time: —

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About this earthquake

A magnitude M1.0 earthquake was recorded near San Diego County, California (United States) on September 29, 2026 at 10:00 UTC. With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 160 earthquakes, the strongest at M4.1.

Details

ID
735c53f2c3cb4686e86b493b301356545eb78b4b
Magnitude
M1.0
Depth
3.3 km
UTC time
2026-09-29 10:00:17 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
usgs
Coordinates
33.39050, -116.38533
Temperature
13.8°C

Depth profile

Depth profile Depth: 3.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.3 km
Shallow
3.3 km
3.3 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: 75 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 320 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 415 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 424 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 446 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 484 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States

California

Context for this earthquake

29 Sep 2025 – 29 Sep 2026 · M ≥ 2.0 · 2,435 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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