SED Stations

Station Overview

Field	Value
image
legend

Overview Location
Picture Gallery	details...

Field	Value
Network
Station Code
Station Description
Latitude (WGS84)
Longitude (WGS84)
Station altitude (CH1903)
running from
...until
Waveform Access

Network	8D
Station Code	VAL3
Station Description	Lac des Esserts, FR
Latitude (WGS84)	46.0488
Longitude (WGS84)	6.9561
Station altitude (CH1903)	1539.0
running from	2005-09-10
...until	2005-09-29
Waveform Access	open

Field	Value
Sensor Types

Sensor Types	Accelerometer Velocimeter

Field	Value
Geological Unit
Site Morphology Class
Site Morphology Description
Ground type EC8
Ground type SIA
Basin Information
Reference

Geological Unit	Sandstone of Carboniferous age
Site Morphology Class
Site Morphology Description	Flat area in a rock slope
Ground type EC8
Ground type SIA
Basin Information	not in a sedimentary basin with possible 2D/3D effects
Reference

Field	Value
Resonance Frequency (Hz)
Uncertainty Factor

Resonance Frequency (Hz)	-
Uncertainty Factor	-

Field	Value
Vs 30 (m/s)

Vs 30 (m/s)	-

Field	Value
Location Map
Topography Map
Geology Map

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

Field	Value
Location Code
Opening Date
End Date
Housing Class
Housing Description
sensor depth below station
Distance to Building (m)

Location Code	(none)
Opening Date	10-09-2005
End Date	2005-09-29
Housing Class	Free field
Housing Description	Rock outcrop (platform)
sensor depth below station	0.0 m
Distance to Building (m)	-

Current Instrumentation

Field	Value
Location code
On date
Off date
Sensor model
Sensor manufacturer
Digitizer model
Digitizer manufacturer
Channels
Stream Noise (last week)

No open epochs

Instrumentation History

Field	Value
Location code
On date
Off date
Waveform Access
Sensor model
Sensor manufacturer
Digitizer model
Digitizer manufacturer
Channels

Location code	(none)
On date	10-09-2005 13:14:00
Off date	2005-09-29 06:07:36
Waveform Access	open
Sensor model	EpiSensor ES-T
Sensor manufacturer	Kinemetrics
Digitizer model	Q330
Digitizer manufacturer	Quanterra
Channels	HGE , HGN , HGZ

Location code	(none)
On date	10-09-2005 13:14:00
Off date	2005-09-29 06:07:36
Waveform Access	open
Sensor model	LE-3D-5s
Sensor manufacturer	Lennartz
Digitizer model	Q330
Digitizer manufacturer	Quanterra
Channels	EHE , EHN , EHZ

Site Characterization

channel group Filter dialog for field: channel group and Options for empty fields: only empty fields no empty fields include empty fields	Empirical Amplification Filter dialog for field: Empirical Amplification and Options for empty fields: only empty fields no empty fields include empty fields
8D.VAL3..EH
8D.VAL3..HG

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.

Field	Value
H/V pick image:
Authoritative Site Characterization Analysis

H/V pick image:	not available
Authoritative Site Characterization Analysis	-

Field	Value
measurements nearby

measurements nearby	list...