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M0.4 Depth: 11.5 km

M0.4 Earthquake near San Diego County, California (United States)

UTC time: 2026-07-20 07:46:40 UTC Local time: —

About this earthquake

A magnitude M0.4 earthquake was recorded near San Diego County, California (United States) on July 20, 2026 at 07:46 UTC. The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 184 earthquakes, the strongest at M3.4.

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Depth profile

Depth profile Depth: 11.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.5 km
Shallow
11.5 km
11.5 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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: 73 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 317 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 418 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 420 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 447 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 482 km ·Volcanic field ·Elevation: 960 m ·Mexico

Historic earthquake map · United States

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Country statistics · United States

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

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