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M1.0 Depth: 6.3 km

M1.0 Earthquake near 13 km NNW of Angwin, CA (United States)

UTC time: 2025-10-18 20:44:46 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near 13 km NNW of Angwin, CA (United States) on October 18, 2025 at 20:44 UTC. With a focal depth of about 6 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 208 earthquakes, the strongest at M5.5.

Details

Magnitude
M1.0
Depth
6.3 km
UTC time
2025-10-18 20:44:46 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
38.68133, -122.50034
Temperature
26.2°C

Map

Depth profile

Depth profile Depth: 6.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.3 km
Shallow
6.3 km
6.3 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 40 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 219 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 304 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Mono Lake Volcanic Field
    Distance: 312 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 318 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 325 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·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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