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M1.0 Depth: 14.7 km

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

UTC time: 2026-08-04 16:56:18 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near San Diego County, California (United States) on August 4, 2026 at 16:56 UTC. With a focal depth of about 15 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 178 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

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Depth profile

Depth profile Depth: 14.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.7 km
Shallow
14.7 km
14.7 km — close to the regional average (15.5 km)
Regional average: 15.5 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: 79 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 325 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 411 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 429 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 445 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 485 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States

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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