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United States · California

M0.8 Earthquake near San Diego County, California (United States)

UTC time: 2026-10-31 21:42:30 UTC Local time: —

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About this earthquake

On October 31, 2026 at 21:42 UTC, a magnitude M0.8 earthquake occurred near San Diego County, California (United States). With a focal depth of about 12 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 195 earthquakes, the strongest at M3.3.

Details

ID
e7cd947edb6ad65e89066fc2500af126650f5724
Magnitude
M0.8
Depth
12.4 km
UTC time
2026-10-31 21:42:30 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
usgs
Coordinates
33.10617, -116.51983
Temperature
16.7°C

Depth profile

Depth profile Depth: 12.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.4 km
Shallow
12.4 km
12.4 km — close to 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: 85 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 316 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 402 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 443 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Jaraguay Volcanic Field
    Distance: 462 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Uinkaret Field
    Distance: 478 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

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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Country statistics · United States

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