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M0.4 Depth: 14.2 km

M0.4 Earthquake near 8 km SSW of Idyllwild, CA (United States)

UTC time: 2025-12-20 13:43:45 UTC Local time: —

About this earthquake

A magnitude M0.4 earthquake was recorded near 8 km SSW of Idyllwild, CA (United States) on December 20, 2025 at 13:43 UTC. With a focal depth of about 14 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 data is provided by USGS and cross-checked across seismological networks. United States: 223 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M0.4
Depth
14.2 km
UTC time
2025-12-20 13:43:45 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
33.67100, -116.74600
Temperature
15.3°C

Map

Depth profile

Depth profile Depth: 14.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.2 km
Shallow
14.2 km
14.2 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: 117 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 365 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Ubehebe Craters
    Distance: 378 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Uinkaret Field
    Distance: 446 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Luis, Isla
    Distance: 467 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Mammoth Mountain
    Distance: 486 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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