Station Overview

Overview Location not available
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Network 2A
Station Code RAND1
Station Description Randa 1, VS
Latitude (WGS84) 46.11510
Longitude (WGS84) 7.771737
Station altitude (CH1903) 2355.0
running from 2009-04-28
...until 2009-05-08
Sensor Types Velocimeter
Geological Unit Gneiss and Mica-schists
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 Unstable rock slope
Ground type EC8
Ground type SIA
Basin Information not in a sedimentary basin with possible 2D/3D effects
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
End Date -
Housing Class Free field
Housing Description Free field on a metallic tripod hammered in the ground
sensor depth below station
Distance to Building (m) -

Current Instrumentation

No open epochs

Location code (none)
On date 28-04-2009 00:00:00
Off date 2009-05-08 00:00:00
Sensor model LE-3D-5s
Sensor manufacturer Lennartz
Digitizer model
Digitizer manufacturer
Channels EHE , EHN , EHZ

Site Characterization

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