SED Stations

Station Overview

Field	Value
image
legend

Field	Value
Overview Location
Picture Gallery

Overview Location	not available
Picture Gallery	details...

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

Network	CH
Station Code	EMV
Station Description	Vieux-Emosson, VS
Latitude (WGS84)	46.06318
Longitude (WGS84)	6.89883
Station altitude (CH1903)	2130.0
running from	1981-11-18
...until	2012-06-08
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	Gneiss
Site Morphology Class	T2 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	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)	2.07
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	AH
Opening Date	18-11-1981
End Date	2002-01-02
Housing Class	-
Housing Description	-
sensor depth below station	0.0 m
Distance to Building (m)	-

Location Code	FH
Opening Date	18-11-1981
End Date	1993-09-03
Housing Class	Urban free field
Housing Description	Sensors in small room just inside access tunnel, 15 m from 100 m high dam, 80 m directly below free surface, 3m from nearest entrance Sensors placed directly on concrete floor on rock. Cliff face.
sensor depth below station	0.0 m
Distance to Building (m)	30

Location Code	(none)
Opening Date	03-08-1999
End Date	2012-06-08
Housing Class	-
Housing Description	-
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	AH
On date	03-09-1993 00:00:00
Off date	2002-01-02 14:00:00
Waveform Access	open
Sensor model	Mk IIIA
Sensor manufacturer	Willmore
Digitizer model	AHP
Digitizer manufacturer	HP
Channels	SHZ

Location code	AH
On date	30-09-1992 00:00:00
Off date	1993-09-03 00:00:00
Waveform Access	open
Sensor model	Mk IIIA
Sensor manufacturer	Willmore
Digitizer model	AHP
Digitizer manufacturer
Channels	SHZ

Location code	AH
On date	18-11-1981 00:00:00
Off date	1992-09-30 00:00:00
Waveform Access	open
Sensor model	Mk IIIA
Sensor manufacturer	Willmore
Digitizer model	AHP
Digitizer manufacturer	HP
Channels	SHZ

Location code	FH
On date	18-11-1981 00:00:00
Off date	1993-09-03 00:00:00
Waveform Access	open
Sensor model	Mk IIIA
Sensor manufacturer	Willmore
Digitizer model	FHP
Digitizer manufacturer	HP
Channels	SHZ

Location code	(none)
On date	08-10-2009 00:00:00
Off date	2012-06-08 00:00:00
Waveform Access	open
Sensor model	EpiSensor ES-T
Sensor manufacturer	Kinemetrics
Digitizer model	Trident
Digitizer manufacturer	Nanometrics
Channels	HGE , HGN , HGZ

Location code	(none)
On date	08-10-2009 00:00:00
Off date	2012-06-08 00:00:00
Waveform Access	open
Sensor model	STS2_gen1
Sensor manufacturer	Streckeisen
Digitizer model	Trident
Digitizer manufacturer	Nanometrics
Channels	BHE , BHN , BHZ , HHE , HHN , HHZ

Location code	(none)
On date	12-08-2004 00:00:00
Off date	2009-10-08 00:00:00
Waveform Access	open
Sensor model	EpiSensor ES-T
Sensor manufacturer	Kinemetrics
Digitizer model	HRD24
Digitizer manufacturer	Nanometrics
Channels	HGE , HGN , HGZ

Location code	(none)
On date	26-11-2008 00:00:00
Off date	2009-10-08 00:00:00
Waveform Access	open
Sensor model	STS2_gen1
Sensor manufacturer	Streckeisen
Digitizer model	HRD24
Digitizer manufacturer	Nanometrics
Channels	BHE , BHN , BHZ , HHE , HHN , HHZ

Location code	(none)
On date	03-08-1999 00:00:00
Off date	2008-11-25 23:59:59
Waveform Access	open
Sensor model	STS2_gen3
Sensor manufacturer	Streckeisen
Digitizer model	HRD24
Digitizer manufacturer	Nanometrics
Channels	BHE , BHN , BHZ , HHE , HHN , HHZ

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
CH.EMV..HG
CH.EMV..HH

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:
Authoritative Site Characterization Analysis	-

Field	Value
measurements nearby

measurements nearby	list...