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M0.4 Depth: 3.0 km

M0.4 Earthquake near Inyo County, California (United States)

UTC time: 2026-08-21 17:40:22 UTC Local time: —

About this earthquake

A magnitude M0.4 earthquake was recorded near Inyo County, California (United States) on August 21, 2026 at 17:40 UTC. The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 227 earthquakes, the strongest at M3.9.

Details

Magnitude
M0.4
Depth
3.0 km
UTC time
2026-08-21 17:40:22 UTC
Local time
—
Country
United States
State
California
City
Inyo County
County
Inyo County
Source
usgs
Coordinates
36.06850, -117.83667
Temperature
27.5°C

Map

Depth profile

Depth profile Depth: 3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3 km
Shallow
3 km
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

  • Ubehebe Craters
    Distance: 111 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mammoth Mountain
    Distance: 204 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 220 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 239 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 378 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Soda Lakes
    Distance: 395 km ·Maar(s) ·Elevation: 1'251 m ·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.

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