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M1.5 Depth: 4.6 km

M1.5 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-05-21 03:48:30 UTC Local time: —

About this earthquake

On May 21, 2026 at 03:48 UTC, a magnitude M1.5 earthquake occurred near San Bernardino County, California (United States). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by SCEDC. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 4.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.6 km
Shallow
4.6 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: 163 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 296 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 371 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Pinacate
    Distance: 403 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Mammoth Mountain
    Distance: 419 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 435 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Sources: Smithsonian GVP & USGS

Historic earthquake map · United States

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Country statistics · United States

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View earthquake KPIs, strongest and latest events, and averages for this country.

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