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United States · California

M2.1 Earthquake near San Diego County, California (United States)

UTC time: 2026-09-24 07:51:30 UTC Local time: —

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About this earthquake

On September 24, 2026 at 07:51 UTC, a magnitude M2.1 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. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 214 earthquakes, the strongest at M4.1.

Details

ID
85a9af2b5d0acc404e5ced969ef9ed6d01b60452
Magnitude
M2.1
Depth
10.2 km
UTC time
2026-09-24 07:51:30 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
usgs
Coordinates
33.29767, -116.29250
Temperature
20.5°C

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 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: 64 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 307 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 410 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 427 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 448 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 473 km ·Volcanic field ·Elevation: 960 m ·Mexico

California

Context for this earthquake

24 Sep 2025 – 24 Sep 2026 · M ≥ 2.0 · 2,421 Catalogue entries

Of 2,420 other entries for this area and period, 2,053 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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
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