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M1.5 Depth: 13.4 km

M1.5 Earthquake near 1 km WSW of Charter Oak, CA (United States)

UTC time: 2025-12-16 05:44:32 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 1 km WSW of Charter Oak, CA (United States) on December 16, 2025 at 05:44 UTC. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 228 earthquakes, the strongest at M5.3.

Details

Magnitude
M1.5
Depth
13.4 km
UTC time
2025-12-16 05:44:32 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
34.09950, -117.85533
Temperature
9.6°C

Map

Depth profile

Depth profile Depth: 13.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.4 km
Shallow
13.4 km
13.4 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: 230 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 327 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 407 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 425 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 446 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Pinacate
    Distance: 477 km ·Volcanic field ·Elevation: 1'183 m ·Mexico

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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