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M0.9 Depth: 14.9 km

M0.9 Earthquake near 6 km N of Rio Vista, CA (United States)

UTC time: 2025-07-22 23:42:39 UTC Local time: —

About this earthquake

On July 22, 2025 at 23:42 UTC, a magnitude M0.9 earthquake occurred near 6 km N of Rio Vista, CA (United States). With a focal depth of about 15 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 225 earthquakes, the strongest at M3.6.

Details

Magnitude
M0.9
Depth
14.9 km
UTC time
2025-07-22 23:42:39 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
38.21100, -121.70033
Temperature
21.7°C

Map

Depth profile

Depth profile Depth: 14.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.9 km
Shallow
14.9 km
14.9 km — close to 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: 126 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono Lake Volcanic Field
    Distance: 235 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 238 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 243 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Lassen Volcanic Center
    Distance: 254 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 285 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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