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United States · California

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

UTC time: 2026-10-04 01:04:14 UTC Local time: —
Magnitude
M0.4
Depth
4.9 km
Source
SCEDC

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 01:04 UTC. 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 data is provided by SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 150 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 4.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.9 km
Shallow
4.9 km
4.9 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: 150 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 255 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 272 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 291 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 327 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Uinkaret Field
    Distance: 404 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 · 2,445 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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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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