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M1.1 Depth: -1.7 km

M1.1 Earthquake near Wartau, St. Gallen (Switzerland)

UTC time: 2026-08-21 16:46:58 UTC Local time: —

About this earthquake

On August 21, 2026 at 16:46 UTC, a magnitude M1.1 earthquake occurred near Wartau, St. Gallen (Switzerland). Events of this size typically go unnoticed.

Map

Depth profile

Depth profile Depth: -1.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -1.7 km
Shallow
-1.7 km
0 km — shallower than the regional average (4.8 km)
Regional average: 4.8 km
Negative depth = focus above sea level (terrain elevation).
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: 389 km ·Volcanic field ·Elevation: 600 m ·Last eruption: -8300 ·Germany

Historic earthquake map · Switzerland

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