Seismic Network Operations

IU ADK

Adak, Aleutian Islands, Alaska

IU ADK commences operations on: 1993,264

Country Flag
Host: Aleut Enterprises
Latitude: 51.882
Longitude: -176.684
Elevation: 130
Datalogger: Q330
Broadband: STS-1VBB_w/E300
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: Vault is a small concrete building built into the side of a small rise. The sides and back are covered with earth to height of the roof. Piers are concrete and are separated from the floor and attached to rock.

Site Geology: The Aleutian Islands are of volcanic origin. Bedrock at vault is fractured basalt.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
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
10VHZTrillium 240 broad bandCG0.10-90.000.000.00
10VH2Trillium 240 broad bandCG0.100.0090.000.00
10VH1Trillium 240 broad bandCG0.100.000.000.00
10LHZTrillium 240 broad bandCG1.00-90.000.000.00
10LH2Trillium 240 broad bandCG1.000.0090.000.00
10LH1Trillium 240 broad bandCG1.000.000.000.00
10BHZTrillium 240 broad bandCG40.00-90.000.000.00
10BH2Trillium 240 broad bandCG40.000.0090.000.00
10BH1Trillium 240 broad bandCG40.000.000.000.00
00VHZStreckeisen STS-1VBB w/E300CG0.10-90.000.000.00
00BH1Streckeisen STS-1VBB w/E300CG20.000.000.000.00
00VH2Streckeisen STS-1VBB w/E300CG0.100.0090.000.00
00VH1Streckeisen STS-1VBB w/E300CG0.100.000.000.00
00LHZStreckeisen STS-1VBB w/E300CG1.00-90.000.000.00
00LH2Streckeisen STS-1VBB w/E300CG1.000.0090.000.00
00LH1Streckeisen STS-1VBB w/E300CG1.000.000.000.00
00BHZStreckeisen STS-1VBB w/E300CG20.00-90.000.000.00
00BH2Streckeisen STS-1VBB w/E300CG20.000.0090.000.00
10VMWTrillium 240 broad bandCH0.100.000.000.00
10VMVTrillium 240 broad bandCH0.100.000.000.00
10VMUTrillium 240 broad bandCH0.100.000.000.00
00VMZStreckeisen STS-1VBB w/E300CH0.100.000.000.00
00VM2Streckeisen STS-1VBB w/E300CH0.100.000.000.00
00VM1Streckeisen STS-1VBB w/E300CH0.100.000.000.00
31LDOCI/PAS pressure sensorCW1.000.000.000.00
30LDOlower quality chip sensor in Setra boxCW1.000.000.000.00
00VYZProSense PTD25-10-VH vacuum monitorCW0.100.000.000.00
00VY2ProSense PTD25-10-VH vacuum monitorCW0.100.000.000.00
00VY1ProSense PTD25-10-VH vacuum monitorCW0.100.000.000.00
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
10HHZTrillium 240 broad bandTG100.00-90.000.000.00
10HH2Trillium 240 broad bandTG100.000.0090.000.00
10HH1Trillium 240 broad bandTG100.000.000.000.00
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  1. 2012-08-07
    Power and last mile communication link restored fixing an eight month outage.
  2. 2011-09-24
    Power systems upgrade completed.
  3. 2009-07-27
    Upgraded to Q330 digitizer.