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M1.8 Depth: -0.5 km

M1.8 Earthquake near South Diamond Bar, California (United States)

UTC time: 2026-06-03 17:43:12 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near South Diamond Bar, California (United States) on June 3, 2026 at 17:43 UTC. Events of this size typically go unnoticed.

The data is provided by SCEDC and cross-checked across seismological networks. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

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Depth profile

Depth profile Depth: -0.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.5 km
Shallow
-0.5 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: 224 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 342 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 422 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 440 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 462 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 469 km ·Volcanic field ·Elevation: 1'183 m ·Mexico

Sources: Smithsonian GVP & USGS

Historic earthquake map · United States

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Country statistics · United States

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