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United States · California

M1.3 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-09-17 21:23:54 UTC Local time: —
Magnitude
M1.3
Depth
2.5 km
Source
USGS

California · San Bernardino County

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About this earthquake

On September 17, 2026 at 21:23 UTC, a magnitude M1.3 earthquake occurred near San Bernardino County, California (United States). With a focal depth of about 3 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: 165 earthquakes were recorded in the past 24 hours, the strongest reaching M6.5.

Depth profile

Depth profile Depth: 2.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.5 km
Shallow
2.5 km
2.5 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: 151 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 254 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 271 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 290 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 328 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Uinkaret Field
    Distance: 408 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

California

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 2.0 · 2,413 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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