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United States · California

M1.3 Earthquake near Borrego Springs, California (United States)

UTC time: 2026-09-21 01:50:25 UTC Local time: —

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About this earthquake

A magnitude M1.3 earthquake was recorded near Borrego Springs, California (United States) on September 21, 2026 at 01:50 UTC. The hypocenter lay relatively close to the surface at around 31 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 185 earthquakes, the strongest at M5.3.

Details

ID
71d794dc0e647df477bc0f13d19314f88ed7bea9
Magnitude
M1.3
Depth
31.1 km
UTC time
2026-09-21 01:50:25 UTC
Local time
—
Country
United States
State
California
City
Borrego Springs
County
San Diego County
Source
scedc
Coordinates
33.30300, -116.39017
Temperature
21.8°C

Depth profile

Depth profile Depth: 31.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 31.1 km
Shallow
31.1 km
31.1 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 315 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 415 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 424 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 453 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Jaraguay Volcanic Field
    Distance: 477 km ·Volcanic field ·Elevation: 960 m ·Mexico

California

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 2,416 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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