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Switzerland · St. Gallen

M1.2 Earthquake near Grabs, St. Gallen (Switzerland)

UTC time: 2026-08-23 21:40:27 UTC Local time: —

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About this earthquake

A magnitude M1.2 earthquake was recorded near Grabs, St. Gallen (Switzerland) on August 23, 2026 at 21:40 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by EMSC. Switzerland: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M1.2.

Details

ID
bb8e83b84fbb4e75e0dde8c5db644410ca034d0f
Magnitude
M1.2
Depth
7.8 km
UTC time
2026-08-23 21:40:27 UTC
Local time
—
Country
Switzerland
State
St. Gallen
City
Grabs
County
Wahlkreis Werdenberg
Village
Grabs
Source
emsc
Coordinates
47.15390, 9.40030
Temperature
15.2°C

Depth profile

Depth profile Depth: 7.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.8 km
Shallow
7.8 km
7.8 km — deeper than the regional average (4.8 km)
Regional average: 4.8 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

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sankt Gallen Altenrhein AirportSwitzerland · ACH · LSZR
    38.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Switzerland

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 65 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Switzerland

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Switzerland

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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