Station Overview

Overview Location not available
Picture Gallery details...
Network CH
Station Code APL
Station Description Alpnach, OW
Latitude (WGS84) 46.94827
Longitude (WGS84) 8.24172
Station altitude (CH1903) 880.0
running from 1988-11-24
...until 2004-08-05
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 AH
Opening Date 24-11-1988
End Date 2002-01-17
Housing Class -
Housing Description -
sensor depth below station 0.0 m
Distance to Building (m) -
Location Code (none)
Opening Date 17-01-2002
End Date 2004-08-05
Housing Class -
Housing Description -
sensor depth below station 0.0 m
Distance to Building (m) -

Current Instrumentation

No open epochs

Location code AH
On date 24-11-1988 00:00:00
Off date 2002-01-17 12:00:00
Waveform Access open
Sensor model L-4C
Sensor manufacturer Sercel
Digitizer model AHP
Digitizer manufacturer HP
Channels SHE , SHN , SHZ , SLZ
Location code (none)
On date 17-01-2002 12:00:00
Off date 2004-08-05 00:00:00
Waveform Access open
Sensor model L-4C
Sensor manufacturer Sercel
Digitizer model Trident
Digitizer manufacturer Nanometrics
Channels SHE , SHN , SHZ

Site Characterization

channel group
Empirical Amplification
CH.APL.AH.SL 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...