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United States · California

M0.4 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-10-04 17:44:22 UTC Local time: —
Magnitude
M0.4
Depth
6.2 km
Source
USGS

California · San Bernardino County

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About this earthquake

A magnitude M0.4 earthquake was recorded near San Bernardino County, California (United States) on October 4, 2026 at 17:44 UTC. With a focal depth of about 6 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.6.

Depth profile

Depth profile Depth: 6.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.2 km
Shallow
6.2 km
6.2 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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: 145 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 250 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 266 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 285 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 333 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Uinkaret Field
    Distance: 406 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

California

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 2.0 · 2,449 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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