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United States · California

M1.1 Earthquake near San Diego County, California (United States)

UTC time: 2026-08-27 21:26:37 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near San Diego County, California (United States) on August 27, 2026 at 21:26 UTC. With a focal depth of about 9 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 180 earthquakes, the strongest at M4.6.

Details

ID
c23964a24cf410d437cf7ecfab0088e366056c56
Magnitude
M1.1
Depth
9.5 km
UTC time
2026-08-27 21:26:37 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
usgs
Coordinates
33.22583, -116.19900
Temperature
40.8°C

Depth profile

Depth profile Depth: 9.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.5 km
Shallow
9.5 km
9.5 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: 54 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 296 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 399 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 437 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 449 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 462 km ·Volcanic field ·Elevation: 960 m ·Mexico

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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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