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United States · California

M3.3 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-03-28 12:08:03 UTC Local time: —
Magnitude
M3.3
Depth
0.5 km
Source
SCEDC

California · San Bernardino County

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About this earthquake

A magnitude M3.3 earthquake was recorded near San Bernardino County, California (United States) on March 28, 2026 at 12:08 UTC. With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 165 earthquakes, the strongest at M2.7.

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
0.5 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Ubehebe Craters
    Distance: 191 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Salton Buttes
    Distance: 274 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Uinkaret Field
    Distance: 292 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 336 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 349 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 364 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 239 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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