Back to map
M2.3 Depth: -0.7 km

M2.3 Earthquake near Graton, California (United States)

UTC time: 2026-08-30 00:45:32 UTC Local time: —

About this earthquake

A magnitude M2.3 earthquake was recorded near Graton, California (United States) on August 30, 2026 at 00:45 UTC. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 142 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M2.3
Depth
-0.7 km
UTC time
2026-08-30 00:45:32 UTC
Local time
—
Country
United States
State
California
City
Graton
County
Sonoma County
Village
Graton
Source
usgs
Coordinates
38.46017, -122.85450
Temperature
29.8°C

Map

Depth profile

Depth profile Depth: -0.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.7 km
Shallow
-0.7 km
0 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Clear Lake Volcanic Field
    Distance: 57 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 254 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 333 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Mono Lake Volcanic Field
    Distance: 338 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 342 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 347 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States

Historic earthquake map · United States

Open history map
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.

Share