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Station Overview

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legend Overview at SAUR
Overview Location not available
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Network CH
Station Code SAUR
Station Description Augst, Roemermuseum, BL
Latitude (WGS84) 47.5339
Longitude (WGS84) 7.7228
Station altitude (CH1903) 290.0
running from 2005-11-01
...until now
Waveform Access open
Sensor Types Accelerometer
Geological Unit Alluvial terrace (Pleistocene)
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 Top of a small hill
Ground type EC8 B
Ground type SIA C
Basin Information Rhine basin, interface at fundamental frequency at 45 m depth
Reference Fäh Donat, Steimen S., Oprsal I., Ripperger J., Wössner J., Schatzmann R., Kästli P., Spottke I., Huggenberger P., "The earthquake of 250 A.D. in Augusta Raurica, A real event with a 3D site-effect?", Journal of Seismology, 2006
Resonance Frequency (Hz) 3.24
Uncertainty Factor -
Vs 30 (m/s) -
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 01-11-2005
End Date -
Housing Class Building
Housing Description Basement of a masonry house (concrete slab)
sensor depth below station 0.0 m
Distance to Building (m) -

Current Instrumentation

Location code (none)
On date 03-08-2006 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
Location code (none)
On date 01-11-2005 00:00:00
Off date 2006-08-03 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.SAUR..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 -
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