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M1.1 Depth: 2.9 km

M1.1 Earthquake near San Bernardino County, California (United States)

UTC time: 2026-08-23 03:58:01 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near San Bernardino County, California (United States) on August 23, 2026 at 03:58 UTC. The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 163 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Map

Depth profile

Depth profile Depth: 2.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.9 km
Shallow
2.9 km
2.9 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 222 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: 317 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 334 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 355 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Uinkaret Field
    Distance: 431 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States

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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