Seismic Network Operations

IU RAR

Rarotonga, Cook Islands

IU RAR commences operations on: 1992,067

Country Flag
Host: Institute of Geological and Nuclear Sciences
Latitude: -21.212
Longitude: -159.773
Elevation: 28
Datalogger: Q330
Broadband: KS-54000
Accelerometer: FBA_ES-T_EpiSensor_Accelerometer
Telemetry Status at the NEIC: Last Data In Less Than 10 Minutes
Station Photo Station Photo Station Photo 

Vault Condition: Borehole for Z, N, and E channels. The STS-1/VBB seismometers are located in a small concrete building approximately 20 x 12 feet. Piers are not isolated from the floor, but are attached to surface rock. A small air conditioner inside the building controls temperature and humidity.

Site Geology: To about 85 meters geology is an alternating series of hard basalt and unstable flowing material, scoria, gravels and sands. Below 85 meters there is a consistent sequence of basalts.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
20LNZKinemetrics FBA ES-T EpiSensor AccelerometerCG1.00-90.000.000.00
20HNZKinemetrics FBA ES-T EpiSensor AccelerometerTG100.00-90.000.000.00
10VHZStreckeisen STS-2 High-gainCG0.10-90.000.000.00
10LHZStreckeisen STS-2 High-gainCG1.00-90.000.000.00
10HHZStreckeisen STS-2 High-gainTG100.00-90.000.000.00
10BHZStreckeisen STS-2 High-gainCG40.00-90.000.000.00
00VHZGeotech KS-54000 Borehole SeismometerCG0.10-90.000.00101.00
00LHZGeotech KS-54000 Borehole SeismometerCG1.00-90.000.00101.00
00BHZGeotech KS-54000 Borehole SeismometerCG20.00-90.000.00101.00
20LN2Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.0090.000.00
20LN1Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.000.000.00
20HN2Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.0090.000.00
20HN1Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.000.000.00
10VMWStreckeisen STS-2 High-gainCH0.100.000.001.00
10VMVStreckeisen STS-2 High-gainCH0.100.000.001.00
10VMUStreckeisen STS-2 High-gainCH0.100.000.001.00
10VH2Streckeisen STS-2 High-gainCG0.100.0090.000.00
10VH1Streckeisen STS-2 High-gainCG0.100.000.000.00
10LH2Streckeisen STS-2 High-gainCG1.000.0090.000.00
00VH1Geotech KS-54000 Borehole SeismometerCG0.100.00346.00101.00
10LH1Streckeisen STS-2 High-gainCG1.000.000.000.00
10HH2Streckeisen STS-2 High-gainTG100.000.0090.000.00
10HH1Streckeisen STS-2 High-gainTG100.000.000.000.00
10BH2Streckeisen STS-2 High-gainCG40.000.0090.000.00
10BH1Streckeisen STS-2 High-gainCG40.000.000.000.00
00VMZGeotech KS-54000 Borehole SeismometerCH0.100.000.00145.00
00VM2Geotech KS-54000 Borehole SeismometerCH0.100.000.00145.00
00VM1Geotech KS-54000 Borehole SeismometerCH0.100.000.00145.00
00VH2Geotech KS-54000 Borehole SeismometerCG0.100.0076.00101.00
00LH2Geotech KS-54000 Borehole SeismometerCG1.000.0076.00101.00
00LH1Geotech KS-54000 Borehole SeismometerCG1.000.00346.00101.00
00BH2Geotech KS-54000 Borehole SeismometerCG20.000.0076.00101.00
00BH1Geotech KS-54000 Borehole SeismometerCG20.000.00346.00101.00
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  1. Current Issues
    KS-54000 is showing intermittent high noise levels.
  2. 2010-12-18
    KS-54000 seismometer replaced.
  3. 2010-03-07
    Upgraded to Q330 digitizer. KS-54000 failed.