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M3.2 Depth: 5.3 km

M3.2 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-04-20 21:57:25 UTC Local time: —

About this earthquake

On April 20, 2026 at 21:57 UTC, a magnitude M3.2 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. 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 153 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 5.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.3 km
Shallow
5.3 km
5.3 km — shallower than the regional average (15.8 km)
Regional average: 15.8 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: 205 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Salton Buttes
    Distance: 273 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Mammoth Mountain
    Distance: 311 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 328 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 347 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Uinkaret Field
    Distance: 405 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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