Seismic Network Operations

IC LSA

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: Q680
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
20HNZFBA-23TG80.0090.000.0015.00
20HNNFBA-23TG80.000.00180.0015.00
20HNEFBA-23TG80.000.00270.0015.00
10HHZSTS-2/VBBTG80.00-90.000.0015.00
10HHNSTS-2/VBBTG80.000.000.0015.00
10HHESTS-2/VBBTG80.000.0090.0015.00
10BHZSTS-2/VBBCG40.00-90.000.0015.00
10BHNSTS-2/VBBCG40.000.000.0015.00
10BHESTS-2/VBBCG40.000.0090.0015.00
00BHZSTS-1V/VBBCG20.00-90.000.0015.00
00BHNSTS-1H/VBBCG20.000.000.0015.00
00BHESTS-1H/VBBCG20.000.0090.0015.00
20LNZFBA-23CG1.0090.000.0015.00
20LNNFBA-23CG1.000.00180.0015.00
20LNEFBA-23CG1.000.00270.0015.00
10LHZSTS-2/VBBCG1.00-90.000.0015.00
10LHNSTS-2/VBBCG1.000.000.0015.00
10LHESTS-2/VBBCG1.000.0090.0015.00
00LHZSTS-1V/VBBCG1.00-90.000.0015.00
00LHNSTS-1H/VBBCG1.000.000.0015.00
00LHESTS-1H/VBBCG1.000.0090.0015.00
00VHZSTS-1V/VBBCG0.10-90.000.0015.00
00VHNSTS-1H/VBBCG0.100.000.0015.00
00VHESTS-1H/VBBCG0.100.0090.0015.00
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  1. 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.