United States · California

M0.7 Earthquake near San Diego County, California (United States)

UTC time: 2026-09-21 01:50:25 UTC Local time:

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About this earthquake

A magnitude M0.7 earthquake was recorded near San Diego County, California (United States) on September 21, 2026 at 01:50 UTC. The hypocenter lay relatively close to the surface at around 29 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

ID
399e9dea5d6c36f6caaf497782379773774d4c81
Magnitude
M0.7
Depth
29.1 km
UTC time
2026-09-21 01:50:25 UTC
Local time
Country
State
Source
usgs
Coordinates
33.30983, -116.30550
Temperature
21.8°C

Depth profile

Depth profile Depth: 29.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29.1 km
Shallow
29.1 km
29.1 km — deeper 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

  • Distance: 65 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Distance: 309 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Distance: 412 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Distance: 425 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Distance: 448 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Distance: 475 km ·Volcanic field ·Elevation: 960 m ·Mexico

California

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 2,416 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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Country statistics · United States

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

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