United States · California

M1.0 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-09-17 15:41:21 UTC Local time:
Magnitude
M1.0
Depth
7.6 km
Source
USGS

California · San Bernardino County

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About this earthquake

On September 17, 2026 at 15:41 UTC, a magnitude M1.0 earthquake occurred near San Bernardino County, California (United States). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 170 earthquakes, the strongest at M6.5.

Depth profile

Depth profile Depth: 7.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.6 km
Shallow
7.6 km
7.6 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

  • Distance: 149 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Distance: 257 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Distance: 274 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Distance: 293 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Distance: 325 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Distance: 399 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 · 2,411 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

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

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