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M1.8 Depth: -0.5 km

M1.8 Earthquake near 16.2 km ( 10.1 mi) SSW (az= 203.8) from Simmler, CA (United States)

UTC time: 2025-12-25 22:44:42 UTC Local time: —

About this earthquake

On December 25, 2025 at 22:44 UTC, a magnitude M1.8 earthquake occurred near 16.2 km ( 10.1 mi) SSW (az= 203.8) from Simmler, CA (United States). Events of this size typically go unnoticed.

The data is provided by SCEDC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 198 earthquakes, the strongest at M4.7.

Details

Magnitude
M1.8
Depth
-0.5 km
UTC time
2025-12-25 22:44:42 UTC
Local time
—
Country
United States
City
California
Source
scedc
Coordinates
35.21783, -120.07200
Temperature
6.5°C

Map

Depth profile

Depth profile Depth: -0.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.5 km
Shallow
-0.5 km
0 km — shallower than the regional average (15.7 km)
Regional average: 15.7 km
Negative depth = focus above sea level (terrain elevation).
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

  • Mammoth Mountain
    Distance: 284 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 302 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Ubehebe Craters
    Distance: 309 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mono Lake Volcanic Field
    Distance: 323 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 467 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Clear Lake Volcanic Field
    Distance: 481 km ·Volcanic field ·Elevation: 1'439 m ·United States

Historic earthquake map · United States

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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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