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M1.7 Depth: 7.1 km

M1.7 Earthquake near Calpella, California (United States)

UTC time: 2026-02-27 23:31:36 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near Calpella, California (United States) on February 27, 2026 at 23:31 UTC. The hypocenter lay relatively close to the surface at around 7 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 165 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

Magnitude
M1.7
Depth
7.1 km
UTC time
2026-02-27 23:31:36 UTC
Local time
—
Country
United States
State
California
City
Calpella
County
Mendocino County
Village
Calpella
Source
usgs
Coordinates
39.24633, -123.19334
Temperature
16.3°C

Map

Depth profile

Depth profile Depth: 7.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.1 km
Shallow
7.1 km
7.1 km — shallower than the regional average (15.8 km)
Regional average: 15.8 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: 48 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 200 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 255 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 297 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 372 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 387 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·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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