Seismic Network Operations


Tristan da Cunha

IU TRIS commences operations on: 2004,063

Country Flag
Host: British Geological Survey
Latitude: -37.068
Longitude: -12.315
Elevation: 60
Datalogger: Q680
Broadband: STS-1V/VBB
Accelerometer: FBA-23
Telemetry Status at the NEIC: No Data In More Than 24 Hours
Station Photo Station Photo Station Photo 

Vault Condition: STS-2, STS-1 vertical and FBA-23 are located in a very shallow concrete vault.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
10VHZStreckeisen STS-2 High-gainCG0.10-
10VHNStreckeisen STS-2 High-gainCG0.100.00270.002.00
10VHEStreckeisen STS-2 High-gainCG0.
00VHZStreckeisen STS-1V/VBB SeismometerCG0.10-
20LNZKinemetrics FBA-23 Low-Gain SensorCG1.00-
20LNNKinemetrics FBA-23 Low-Gain SensorCG1.
20LNEKinemetrics FBA-23 Low-Gain SensorCG1.000.0090.002.00
10LHZStreckeisen STS-2 High-gainCG1.00-
10LHNStreckeisen STS-2 High-gainCG1.000.00270.002.00
10LHEStreckeisen STS-2 High-gainCG1.
00LHZStreckeisen STS-1V/VBB SeismometerCG1.00-
00LDODruck differential pressure transducerCG1.00-
00BHZStreckeisen STS-1V/VBB SeismometerCG20.00-
10BHZStreckeisen STS-2 High-gainCG40.00-
10BHNStreckeisen STS-2 High-gainCG40.000.00270.002.00
10BHEStreckeisen STS-2 High-gainCG40.
20HNZKinemetrics FBA-23 Low-Gain SensorTG80.00-
20HNNKinemetrics FBA-23 Low-Gain SensorTG80.
20HNEKinemetrics FBA-23 Low-Gain SensorTG80.000.0090.002.00
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  1. Current Issues
    Spiking present on strong motion channels. Timing at the station was bad from Aug 2012 through April 2013 due to a bad GPS antenna. The 00 channels are currently not transmitting. Telemetry has failed.
  2. 2012-06-08
    Restored telemetry which was lost on 31 January 2012 due to a failed power supply.