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Station Overview

Overview Location not available
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Network 4D
Station Code EIG4
Station Description Eiger-Westflanke, BE
Latitude (WGS84) 46.57316
Longitude (WGS84) 7.995349
Station altitude (CH1903) 3351.0
running from 2016-08-11
...until 2016-08-31
Waveform Access open
Sensor Types Velocimeter
Geological Unit
Site Morphology Class
Site Morphology Description
Ground type EC8
Ground type SIA
Basin Information no information available
Reference
Resonance Frequency (Hz) -
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 11-08-2016
End Date 2016-08-31
Housing Class Free field
Housing Description Sensor in a pit within snow/firn, after installation pit was refilled. Distance to building: > 1km
sensor depth below station 1.0 m
Distance to Building (m) -

Current Instrumentation

No open epochs

Location code (none)
On date 11-08-2016 08:00:00
Off date 2016-08-31 07:00:00
Waveform Access open
Sensor model LE-3DliteMkII
Sensor manufacturer Lennartz
Digitizer model Taurus
Digitizer manufacturer Nanometrics
Channels EHE , EHN , EHZ

Site Characterization

channel group
 Empirical Amplification
4D.EIG4..EH 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.

H/V pick image: not available
Authoritative Site Characterization Analysis -
measurements nearby list...