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	6D
Station Code	BWG25
Station Description	Bowdoin Glacier, station 25, Greenland
Latitude (WGS84)	77.67630
Longitude (WGS84)	-68.5950
Station altitude (CH1903)	40.0
running from	2019-07-02
...until	2019-07-22
Waveform Access	open

Field	Value
Sensor Types

Sensor Types	Velocimeter

Geological Unit
Site Morphology Class
Site Morphology Description
Ground type EC8
Ground type SIA
Basin Information	no information available
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	02-07-2019
End Date	2019-07-22
Housing Class	Free field
Housing Description	ice pit [pit covered with anti-ablation fleece][sensor is placed on a metal tripod which is placed on a granite plate on the ice]
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	02-07-2019 16:25:37
Off date	2019-07-22 13:01:46
Waveform Access	open
Sensor model	LE-3DliteMkII
Sensor manufacturer	Lennartz
Digitizer model	Centaur
Digitizer manufacturer	Nanometrics
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
6D.BWG25..EH

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...