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M1.0 Depth: 7.2 km

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

UTC time: 2026-07-04 01:40:23 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near San Diego County, California (United States) on July 4, 2026 at 01:40 UTC. The hypocenter lay relatively close to the surface at around 7 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: 175 earthquakes were recorded in the past 24 hours, the strongest reaching M2.7.

Map

Depth profile

Depth profile Depth: 7.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.2 km
Shallow
7.2 km
7.2 km — shallower than the regional average (15.8 km)
Regional average: 15.8 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: 48 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 292 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 400 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 435 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 442 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 464 km ·Volcanic field ·Elevation: 960 m ·Mexico

Historic earthquake map · United States

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Country statistics · United States

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