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M1.1 Depth: 13.2 km

M1.1 Earthquake near Riverside County (United States)

UTC time: 2025-12-19 17:30:04 UTC Local time: —

About this earthquake

On December 19, 2025 at 17:30 UTC, a magnitude M1.1 earthquake occurred near Riverside County (United States). The hypocenter lay relatively close to the surface at around 13 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: 208 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.1
Depth
13.2 km
UTC time
2025-12-19 17:30:04 UTC
Local time
—
Country
United States
City
Riverside County
Source
usgs
Coordinates
33.86333, -116.84383
Temperature
18.4°C

Map

Depth profile

Depth profile Depth: 13.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.2 km
Shallow
13.2 km
13.2 km — close to the regional average (15.7 km)
Regional average: 15.7 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

  • Salton Buttes
    Distance: 136 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 355 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 384 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 439 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 463 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 480 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Historic earthquake map · United States

Open history map
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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