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Station Overview

image
legend Overview at SVIL
Overview Location
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Network CH
Station Code SVIL
Station Description Visp, VS
Latitude (WGS84) 46.29225
Longitude (WGS84) 7.88653
Station altitude (CH1903) 647.0
running from 2010-07-20
...until now
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 Rhone alluvial plain, close to the edge
Ground type EC8 C
Ground type SIA D
Basin Information Rhone basin, interface at fundamental frequency at 95 m depth
Reference Burjanek Jan, Fäh D., Michel C., Dalguer L., Baumann C., Gassner-Stamm G., Poggi V., Roten D., Laue J., Marin A., Lestuzzi P., Karbassi A., "Earthquake Damage Scenario in Visp (Switzerland): From Active Fault to Building Damage", Lisbon, Portugal, 2012
Resonance Frequency (Hz) 1.83
Uncertainty Factor -
Vs 30 (m/s) 270
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 20-07-2010
End Date -
Housing Class Free field
Housing Description SED small vault
sensor depth below station 0.5 m
Distance to Building (m) -

Current Instrumentation

Location code (none)
On date 18-06-2024 12:00:00
Off date -
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Taurus
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Stream Noise (last week) HGE , HGN , HGZ
Location code (none)
On date 20-07-2010 00:00:00
Off date 2024-06-18 12:00:00
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.SVIL..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...
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