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M1.7 Depth: 19.0 km

M1.7 Earthquake near 5 km WSW of Rio Dell, CA (United States)

UTC time: 2025-07-21 19:02:08 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near 5 km WSW of Rio Dell, CA (United States) on July 21, 2025 at 19:02 UTC. With a focal depth of about 19 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 207 earthquakes, the strongest at M3.2.

Details

Magnitude
M1.7
Depth
19.0 km
UTC time
2025-07-21 19:02:08 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
40.46850, -124.15533
Temperature
19.5°C

Map

Depth profile

Depth profile Depth: 19 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19 km
Shallow
19 km
19 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

  • Shasta
    Distance: 195 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Clear Lake Volcanic Field
    Distance: 204 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 224 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 252 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Escanaba Segment
    Distance: 288 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States
  • Jackson Segment
    Distance: 306 km ·Fissure vent(s) ·Elevation: -3'100 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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