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M1.8 Depth: 0.9 km

M1.8 Earthquake near 14 km NNE of Point Arena, CA (United States)

UTC time: 2025-09-29 03:09:49 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 14 km NNE of Point Arena, CA (United States) on September 29, 2025 at 03:09 UTC. With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.4.

Details

Magnitude
M1.8
Depth
0.9 km
UTC time
2025-09-29 03:09:49 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
39.03550, -123.68784
Temperature
13.2°C

Map

Depth profile

Depth profile Depth: 0.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.9 km
Shallow
0.9 km
0.9 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: 80 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 247 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 293 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 339 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 390 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Soda Lakes
    Distance: 418 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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