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M1.1 Depth: 20.0 km

M1.1 Earthquake near Green Valley, California (United States)

UTC time: 2026-08-30 04:04:43 UTC Local time: —

About this earthquake

On August 30, 2026 at 04:04 UTC, a magnitude M1.1 earthquake occurred near Green Valley, California (United States). The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 135 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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: 97 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 257 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Mono Lake Volcanic Field
    Distance: 274 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 278 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 282 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Soda Lakes
    Distance: 317 km ·Maar(s) ·Elevation: 1'251 m ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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