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M1.0 Depth: 2.8 km

M1.0 Earthquake near St. Moritz GR (Switzerland)

UTC time: 2025-09-18 15:36:56 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near St. Moritz GR (Switzerland) on September 18, 2025 at 15:36 UTC. With a focal depth of about 3 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 ETHZ/SED.

Details

Magnitude
M1.0
Depth
2.8 km
UTC time
2025-09-18 15:36:56 UTC
Local time
—
Country
Switzerland
City
Graubünden/Grischun/Grigioni
Source
ethz
Coordinates
46.54599, 9.78649
Temperature
12.0°C

Map

Depth profile

Depth profile Depth: 2.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.8 km
Shallow
2.8 km
2.8 km — close to the regional average (5.1 km)
Regional average: 5.1 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

  • West Eifel Volcanic Field
    Distance: 458 km ·Volcanic field ·Elevation: 600 m ·Last eruption: -8300 ·Germany

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