M1.2 Depth: 13.9 km

M1.2 Earthquake near Riverside County, California (United States)

UTC time: 2026-08-19 08:53:29 UTC Local time:

About this earthquake

On August 19, 2026 at 08:53 UTC, a magnitude M1.2 earthquake occurred near Riverside County, California (United States). The hypocenter lay relatively close to the surface at around 14 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 241 earthquakes, the strongest at M3.5.

Map

Depth profile

Depth profile Depth: 13.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.9 km
Shallow
13.9 km
13.9 km — close to 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

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    Distance: 130 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 373 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 391 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • San Luis, Isla
    Distance: 463 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 471 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 493 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States

Historic earthquake map · United States

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

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

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