Seismic Network Operations

IU COLA

College Outpost, Alaska, USA

IU COLA commences operations on: 1996,166

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Host: University of Alaska
Latitude: 64.874
Longitude: -147.862
Elevation: 200
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 Station Photo 

Vault Condition: The surface vault is climate controlled. The concrete pier is isolated from the floor of the vault.

Site Geology: The borehole is drilled into approximately 50 meters of various types of silt and loess. A colluvium layer exists between approximately 55 and 61 meters. Beneath the colluvium to 102 meters there are various types of granitic rocks, from felsic granitic finely grained rock to, at deeper sections, a highly altered granite. From 103 meters to 122 meters lithologies range from phyllite to calc phillite to quartzite at the bottom of the borehole. The surface vault sits atop the silt and loess deposits.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
50LWSVaisala Weather TransmitterCW1.000.000.000.00
50LWDVaisala Weather TransmitterCW1.000.000.000.00
50LRIVaisala Weather TransmitterCW1.000.000.000.00
50LRHVaisala Weather TransmitterCW1.000.000.000.00
50LKOVaisala Weather TransmitterCW1.000.000.000.00
50LIOVaisala Weather TransmitterCW1.000.000.000.00
50LDOVaisala Weather TransmitterCW1.000.000.000.00
40LFZBartington 3-Axis Fluxgate SensorCH1.00-90.000.000.00
40LF2Bartington 3-Axis Fluxgate SensorCH1.000.0090.000.00
40LF1Bartington 3-Axis Fluxgate SensorCH1.000.000.000.00
31LDOCI/PAS pressure sensorCW1.000.000.000.00
30LDOlower quality chip sensor in Setra boxCW1.000.000.000.00
20LNZKinemetrics FBA ES-T EpiSensor AccelerometerCG1.00-90.000.000.00
20LN2Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.0090.000.00
20LN1Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.000.000.00
20HNZKinemetrics FBA ES-T EpiSensor AccelerometerTG100.00-90.000.000.00
20HN2Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.0090.000.00
20HN1Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.000.000.00
10VMWStreckeisen STS-2 High-gainCH0.100.000.000.00
10VMVStreckeisen STS-2 High-gainCH0.100.000.000.00
10VMUStreckeisen STS-2 High-gainCH0.100.000.000.00
10VHZStreckeisen STS-2 High-gainCG0.10-90.000.000.00
10VH2Streckeisen STS-2 High-gainCG0.100.0091.000.00
10VH1Streckeisen STS-2 High-gainCG0.100.001.000.00
10LHZStreckeisen STS-2 High-gainCG1.00-90.000.000.00
10LH2Streckeisen STS-2 High-gainCG1.000.0091.000.00
10LH1Streckeisen STS-2 High-gainCG1.000.001.000.00
10HHZStreckeisen STS-2 High-gainTG100.00-90.000.000.00
10HH2Streckeisen STS-2 High-gainTG100.000.0091.000.00
10HH1Streckeisen STS-2 High-gainTG100.000.001.000.00
10BHZStreckeisen STS-2 High-gainCG40.00-90.000.000.00
10BH2Streckeisen STS-2 High-gainCG40.000.0091.000.00
10BH1Streckeisen STS-2 High-gainCG40.000.001.000.00
00VMZGeotech KS-54000 Borehole SeismometerCH0.100.000.00120.00
00VM2Geotech KS-54000 Borehole SeismometerCH0.100.000.00120.00
00VM1Geotech KS-54000 Borehole SeismometerCH0.100.000.00120.00
00VHZGeotech KS-54000 Borehole SeismometerCG0.10-90.000.00116.00
00VH2Geotech KS-54000 Borehole SeismometerCG0.100.00141.00116.00
00VH1Geotech KS-54000 Borehole SeismometerCG0.100.0051.00116.00
00LHZGeotech KS-54000 Borehole SeismometerCG1.00-90.000.00116.00
00LH2Geotech KS-54000 Borehole SeismometerCG1.000.00141.00116.00
00LH1Geotech KS-54000 Borehole SeismometerCG1.000.0051.00116.00
00BHZGeotech KS-54000 Borehole SeismometerCG20.00-90.000.00116.00
00BH2Geotech KS-54000 Borehole SeismometerCG20.000.00141.00116.00
00BH1Geotech KS-54000 Borehole SeismometerCG20.000.0051.00116.00
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  1. 2012-09-24
    The KS54000 was replaced due to failure of multiple components.
  2. 2012-04-10
    Episensor replaced due to noise issues.
  3. 2009-07-09
    Upgraded to Q330 digitizer.