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M1.0 Depth: 10.0 km

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

UTC time: 2026-07-30 04:08:20 UTC Local time: —

About this earthquake

On July 30, 2026 at 04:08 UTC, a magnitude M1.0 earthquake occurred near San Diego County, California (United States). With a focal depth of about 10 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 event was recorded by USGS. United States: 229 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than 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

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  • Ubehebe Craters
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  • Uinkaret Field
    Distance: 440 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 471 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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