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Station Overview

Overview Location
Picture Gallery details...
Network CH
Station Code SMUK
Station Description Muraz, Klaeranlage, VS
Latitude (WGS84) 46.2863
Longitude (WGS84) 6.9406
Station altitude (CH1903) 388.0
running from 2005-10-12
...until 2021-09-07
Waveform Access open
Sensor Types Accelerometer
Geological Unit Alluvium
Site Morphology Class T1
T1: flat; T2: slope; T3: ridge and T4: steep ridge;
following Pessina and Fiorini (2014) A GIS procedure for fast topographic characterization of seismic recording stations, Soil Dynamics and Earthquake Engineering, 63, p248-258
Site Morphology Description Centre of the Rhone alluvial plain
Ground type EC8 C
Ground type SIA D
Basin Information Rhone basin
Reference Fäh Donat, Fritsche S., Poggi V. et al., "Determination of Site Information for Seismic Stations in Switzerland. Work Package 4: Pegasos Refinement Project", Swiss Seismological Service, ETH Zürich, 2009
Resonance Frequency (Hz) .39
Uncertainty Factor -
Vs 30 (m/s) 247
Location Map


Federal Office of Topograpy: National Map 1:25‘000
Topography Map


Federal Office of Topograpy: DHM25: Digital Height Model 1:25000
Geology Map

Federal Office of Topograpy: Geological map of Switzerland 1:500‘000

Sensor locations

Location Code (none)
Opening Date 12-10-2005
End Date 2021-09-07
Housing Class Urban free field
Housing Description Ground floor of a concrete building (concrete slab)
sensor depth below station 0.0 m
Distance to Building (m) 2

Current Instrumentation

No open epochs

Location code (none)
On date 29-08-2006 00:00:00
Off date 2021-09-07 09:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Taurus
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code (none)
On date 05-04-2006 00:00:00
Off date 2006-08-29 00:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Taurus
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code (none)
On date 12-10-2005 00:00:00
Off date 2006-04-05 00:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Taurus
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ

Site Characterization

channel group
 Empirical Amplification
CH.SMUK..HG not available

Obtained from spectral modeling of small earthquakes with constant update.

  • Top: Fourier amplification with elastic (dashed line) and anelastic (solid line) amplification functions;
  • Centre: 5% damped response spectra amplification (anelastic);
  • Bottom: Number of recordings used.

See Edwards et al. (2013), Determination of Site Amplification from Regional Seismicity: Application to the Swiss National Seismic Networks. Seismological Research Letters, 84(4), 611–621.

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Authoritative Site Characterization Analysis details...
measurements nearby list...