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United States · California

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

UTC time: 2026-10-23 15:37:32 UTC Local time: —

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About this earthquake

A magnitude M2.1 earthquake was recorded near San Diego County, California (United States) on October 23, 2026 at 15:37 UTC. Events of this size typically go unnoticed.

The event was recorded by SCEDC. United States: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
55e9d08dbd0b0cff5e50f08f03a4b64a3c9102c8
Magnitude
M2.1
Depth
0.0 km
UTC time
2026-10-23 15:37:32 UTC
Local time
—
Country
United States
State
California
City
San Diego County
County
San Diego County
Source
scedc
Coordinates
33.47133, -117.34717
Temperature
15.6°C

Depth profile

Depth profile Depth: 0 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0 km
Shallow
0 km
0 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: 164 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 395 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 403 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 478 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Mammoth Mountain
    Distance: 487 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • McClellan-Palomar AirportUnited States · CLD · KCRQ
    38.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

Nuclear power plants

  • San Onofre nuclear power plantUnited StatesPermanently shut downReactor units at site: 3
    22.4 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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.

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

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