Seismic Network Operations

IU GRFO

Grafenberg, Germany

IU GRFO commences operations on: 1994,026

Country Flag
Host: Federal Institute of Geosciences & Natural Resources
Latitude: 49.691
Longitude: 11.22
Elevation: 384
Datalogger: Q330
Broadband: KS-36000-I
Accelerometer: n/a
Telemetry Status at the NEIC: No Data In More Than 24 Hours
Station Photo Station Photo Station Photo 

Vault Condition: Instrument is installed in a 7-inch borehole. (standard SRO installation)

Site Geology: On top of borehole. Chalk and dolomite of Jurassic age (Malm) with a covering of a thin layer of sandy loam.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
BHEGeotech KS-36000-I Borehole SeismometerCG20.000.0090.00116.00
BHNGeotech KS-36000-I Borehole SeismometerCG20.000.000.00116.00
BHZGeotech KS-36000-I Borehole SeismometerCG20.00-90.000.00116.00
LHEGeotech KS-36000-I Borehole SeismometerCG1.000.0090.00116.00
LHNGeotech KS-36000-I Borehole SeismometerCG1.000.000.00116.00
LHZGeotech KS-36000-I Borehole SeismometerCG1.00-90.000.00116.00
VHEGeotech KS-36000-I Borehole SeismometerCG0.100.0090.00116.00
VHNGeotech KS-36000-I Borehole SeismometerCG0.100.000.00116.00
VHZGeotech KS-36000-I Borehole SeismometerCG0.10-90.000.00116.00
Heliplot
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Latency
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Availability, Year
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Availability, Since 1972
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Availability, 2 Month
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  1. Current Issues
    The KS-36000 seismometer has failed.
  2. 2004-02-17
    Upgraded to Q330 digitizer.