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United States · California

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

UTC time: 2026-10-20 08:38:22 UTC Local time: —

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About this earthquake

On October 20, 2026 at 08:38 UTC, a magnitude M1.0 earthquake occurred near San Diego County, California (United States). The hypocenter lay relatively close to the surface at around 10 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 SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 144 earthquakes, the strongest at M4.9.

Details

ID
ea1e613b90dbf89ce3decf9ab2c13fed3fa25867
Magnitude
M1.0
Depth
9.7 km
UTC time
2026-10-20 08:38:22 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
scedc
Coordinates
33.05317, -116.45433
Temperature
15.2°C

Depth profile

Depth profile Depth: 9.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.7 km
Shallow
9.7 km
9.7 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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: 80 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 308 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 394 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 450 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Jaraguay Volcanic Field
    Distance: 454 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Uinkaret Field
    Distance: 479 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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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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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