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United States · California

M1.0 Earthquake near Julian, California (United States)

UTC time: 2026-08-20 15:03:38 UTC Local time: —

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About this earthquake

On August 20, 2026 at 15:03 UTC, a magnitude M1.0 earthquake occurred near Julian, California (United States). 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: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
bff7f2a205cc64febb303f710648374be819d470
Magnitude
M1.0
Depth
-1.2 km
UTC time
2026-08-20 15:03:38 UTC
Local time
—
Country
United States
State
California
City
Julian
County
San Diego County
Source
usgs
Coordinates
33.10600, -116.61716
Temperature
24.9°C

Depth profile

Depth profile Depth: -1.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -1.2 km
Shallow
-1.2 km
0 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Negative depth = focus above sea level (terrain elevation).
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: 94 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 324 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 406 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Ubehebe Craters
    Distance: 442 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Jaraguay Volcanic Field
    Distance: 466 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • Uinkaret Field
    Distance: 484 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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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