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M1.3 Depth: 3.5 km

M1.3 Earthquake near Chula Vista, California (United States)

UTC time: 2026-07-29 20:33:32 UTC Local time: —

About this earthquake

On July 29, 2026 at 20:33 UTC, a magnitude M1.3 earthquake occurred near Chula Vista, California (United States). With a focal depth of about 4 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: 239 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Map

Depth profile

Depth profile Depth: 3.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.5 km
Shallow
3.5 km
3.5 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

Volcanoes nearby

  • Salton Buttes
    Distance: 145 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 338 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 380 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Jaraguay Volcanic Field
    Distance: 433 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Ubehebe Craters
    Distance: 495 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·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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