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Switzerland · Valais/Wallis

M1.8 Earthquake near Vionnaz, Valais/Wallis (Switzerland)

UTC time: 2026-07-20 20:35:15 UTC Local time: —

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About this earthquake

On July 20, 2026 at 20:35 UTC, a magnitude M1.8 earthquake occurred near Vionnaz, Valais/Wallis (Switzerland). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
606ef45cbcaa59bf7af407588a7df0997165ad8a
Magnitude
M1.8
Depth
0.8 km
UTC time
2026-07-20 20:35:15 UTC
Local time
—
Country
Switzerland
State
Valais/Wallis
City
Vionnaz
County
Monthey
Village
Vionnaz
Source
emsc
Coordinates
46.29860, 6.86050
Temperature
11.9°C

Depth profile

Depth profile Depth: 0.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.8 km
Shallow
0.8 km
0.8 km — shallower 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Jul 20, 2026, 8:36 PM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Chaine des Puys
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    Distance: 430 km ·Volcanic field ·Elevation: 600 m ·Last eruption: -8300 ·Germany

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Lucens nuclear power plantSwitzerlandPermanently shut downReactor units at site: 1
    43.9 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

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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