Seismic Network Operations


Tibet, China

IC LSA commences operations on: 1995,215

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Host: Institute of Geophysics and China Earthquake Administration
Latitude: 29.703
Longitude: 91.127
Elevation: 3660
Datalogger: Q330
Broadband: STS-1V/VBB
Accelerometer: FBA-23
Telemetry Status at the NEIC: Last Data In Less Than 10 Minutes
Station Photo Station Photo Station Photo 

Vault Condition: Seismometers' vault is located in a tunnel dug into a hillside. The seismometers are located on concrete piers which are attached to bedrock. The temperature is stable, but dehumidifiers are in operation.

Site Geology: Rock is Granite.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
20LNZKinemetrics FBA ES-T EpiSensor AccelerometerCG1.00-90.000.0015.00
20LN1Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.000.0015.00
20HNZKinemetrics FBA ES-T EpiSensor AccelerometerTG200.00-90.000.0015.00
20HN1Kinemetrics FBA ES-T EpiSensor AccelerometerTG200.000.000.0015.00
10VMWStreckeisen STS-2.5CH0.100.000.0015.00
10VMVStreckeisen STS-2.5CH0.100.000.0015.00
10VMUStreckeisen STS-2.5CH0.100.000.0015.00
10VHZStreckeisen STS-2.5CG0.10-90.000.0015.00
10VH1Streckeisen STS-2.5CG0.100.000.0015.00
10LHZStreckeisen STS-2.5CG1.00-90.000.0015.00
10LH1Streckeisen STS-2.5CG1.000.000.0015.00
10HHZStreckeisen STS-2.5CG100.00-90.000.0015.00
10HH1Streckeisen STS-2.5CG100.000.000.0015.00
00VMZStreckeisen STS-1VBB w/E300CH0.100.000.0015.00
00VM2Streckeisen STS-1VBB w/E300CH0.100.000.0015.00
00VM1Streckeisen STS-1VBB w/E300CH0.100.000.0015.00
00VHZStreckeisen STS-1VBB w/E300CG0.10-90.000.0015.00
00VH1Streckeisen STS-1VBB w/E300CG0.100.000.0015.00
00LHZStreckeisen STS-1VBB w/E300CG1.00-90.000.0015.00
00LH1Streckeisen STS-1VBB w/E300CG1.000.000.0015.00
00BHZStreckeisen STS-1VBB w/E300CG20.00-90.000.0015.00
00BH1Streckeisen STS-1VBB w/E300CG20.000.000.0015.00
20LN2Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.0090.0015.00
20HN2Kinemetrics FBA ES-T EpiSensor AccelerometerTG200.000.0090.0015.00
10VH2Streckeisen STS-2.5CG0.100.0090.0015.00
10LH2Streckeisen STS-2.5CG1.000.0090.0015.00
10HH2Streckeisen STS-2.5CG100.000.0090.0015.00
00VH2Streckeisen STS-1VBB w/E300CG0.100.0090.0015.00
00LH2Streckeisen STS-1VBB w/E300CG1.000.0090.0015.00
00BH2Streckeisen STS-1VBB w/E300CG20.000.0090.0015.00
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  1. 2016-03-01
    Slate failure; unrecoverable data outage from 1 Jan through 1 Mar when slate was replaced.
  2. 2013-05-09
    Upgraded to Q330. Added STS-2.5 as secondary sensor. The STS-1 E channelwas previously very noisy. There were also previously sensitivity issues between the STS-1 and STS-2 that may have been humidity related.