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Station Overview

Overview Location
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Network CH
Station Code MTI02
Station Description Mont Terri, HE Schacht, JU
Latitude (WGS84) 47.37927
Longitude (WGS84) 7.16525
Station altitude (CH1903) 508.0
running from 2014-05-19
...until now
Waveform Access open
Sensor Types Velocimeter
Geological Unit Opalinus clay of Aalenian age
Site Morphology Class
Site Morphology Description Underground below a hill
Ground type EC8 A
Ground type SIA A
Basin Information not in a sedimentary basin with possible 2D/3D effects
Reference Michel Clotaire, Poggi V., Fäh D., "Report on site characterization, Mont Terri, Switzerland", Swiss Seismological Service, ETH Zürich, 2014
Resonance Frequency (Hz) -
Uncertainty Factor -
Vs 30 (m/s) 1708
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 19-05-2014
End Date -
Housing Class Tunnel
Housing Description Sensor in tunnel 290 m directly below free surface, 500m from tunnel entrance. Sensor placed on isolated (1m x 1m x 0.5m high) concrete foundation in a 5m deep shaft on rock. In large tunnel complex (Mont Terri Rock lab).
sensor depth below station 0.0 m
Distance to Building (m) -

Current Instrumentation

Location code (none)
On date 19-05-2014 00:00:00
Off date -
Sensor model STS2.5
Sensor manufacturer Streckeisen
Digitizer model Trident
Digitizer manufacturer Nanometrics
Channels BHE , BHN , BHZ , HHE , HHN , HHZ
Stream Noise (last week) BHE , BHN , BHZ , HHE , HHN , HHZ

Site Characterization

channel group
 Empirical Amplification
CH.MTI02..HH 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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