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M1.5 Depth: 6.6 km

M1.5 Earthquake near 8 km NNE of Alum Rock, CA (United States)

UTC time: 2025-12-02 18:09:28 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 8 km NNE of Alum Rock, CA (United States) on December 2, 2025 at 18:09 UTC. The hypocenter lay relatively close to the surface at around 7 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: over the past 24 hours, QuakeMap24 logged 194 earthquakes, the strongest at M5.0.

Details

Magnitude
M1.5
Depth
6.6 km
UTC time
2025-12-02 18:09:28 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
37.43033, -121.77783
Temperature
12.9°C

Map

Depth profile

Depth profile Depth: 6.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.6 km
Shallow
6.6 km
6.6 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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

  • Clear Lake Volcanic Field
    Distance: 192 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mammoth Mountain
    Distance: 243 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 246 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 250 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Lassen Volcanic Center
    Distance: 341 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 343 km ·Maar(s) ·Elevation: 1'251 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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