Station Overview

legend Overview at SAIG
Overview Location
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Network CH
Station Code SAIG
Station Description Aigle, Rue de la Gare, VD
Latitude (WGS84) 46.31724
Longitude (WGS84) 6.9666
Station altitude (CH1903) 415.0
running from 2012-04-20
...until now
Waveform Access open
Sensor Types Accelerometer
Geological Unit Alluvial fan
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 Edge of the Rhone alluvial plain (alluvial fan)
Ground type EC8 B
Ground type SIA B
Basin Information Rhone basin, interface at fundamental frequency at 350 m depth
Reference Michel Clotaire, Cauzzi C., Roten D., Burjanek J., Poggi V., Fäh D., "Aigle, rue de la Gare (SAIG) Site characterization report", Swiss Seismological Service, ETH Zürich, 2013
Resonance Frequency (Hz) .74
Uncertainty Factor -
Vs 30 (m/s) 535
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 20-04-2012
End Date -
Housing Class Urban free field
Housing Description SED small vault
sensor depth below station 0.5 m
Distance to Building (m) 8

Current Instrumentation

Location code (none)
On date 20-04-2012 00:00:00
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

Site Characterization

channel group
Empirical Amplification
CH.SAIG..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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