Seismic Network Operations

IU MAJO

Matsushiro, Japan

IU MAJO commences operations on: 1990,230

Country Flag
Host: Japan Meteorological Agency
Latitude: 36.546
Longitude: 138.204
Elevation: 405
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 located in an underground tunnel complex sealed with concrete walls. Floors are concrete with piers isolated from the floor and attached to bedrock. Temperature and humidity are stable.

Site Geology: Rock is tertiary sedimentary intruded by quartz diorite.

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
00VH1Streckeisen STS-1VBB w/E300CG0.100.00357.000.00
00LH1Streckeisen STS-1VBB w/E300CG1.000.00357.000.00
00BH1Streckeisen STS-1VBB w/E300CG20.000.00357.000.00
60VH2Metrozet M2166 VBB seismometerCG0.100.0090.000.00
60LH2Metrozet M2166 VBB seismometerCG1.000.0090.000.00
60BH2Metrozet M2166 VBB seismometerCG40.000.0090.000.00
20LN2Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.0090.000.00
20HN2Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.0090.000.00
10VH2Streckeisen STS-2 High-gainCG0.100.0090.000.00
10LH2Streckeisen STS-2 High-gainCG1.000.0090.000.00
10HH2Streckeisen STS-2 High-gainTG100.000.0090.000.00
10BH2Streckeisen STS-2 High-gainCG40.000.0090.000.00
00VH2Streckeisen STS-1VBB w/E300CG0.100.0087.000.00
00LH2Streckeisen STS-1VBB w/E300CG1.000.0087.000.00
00BH2Streckeisen STS-1VBB w/E300CG20.000.0087.000.00
60VMZMetrozet M2166 VBB seismometerCH0.100.000.000.00
60VM2Metrozet M2166 VBB seismometerCH0.100.000.000.00
60VM1Metrozet M2166 VBB seismometerCH0.100.000.000.00
60VHZMetrozet M2166 VBB seismometerCG0.10-90.000.000.00
60VH1Metrozet M2166 VBB seismometerCG0.100.000.000.00
60LHZMetrozet M2166 VBB seismometerCG1.00-90.000.000.00
60LH1Metrozet M2166 VBB seismometerCG1.000.000.000.00
60BHZMetrozet M2166 VBB seismometerCG40.00-90.000.000.00
60BH1Metrozet M2166 VBB seismometerCG40.000.000.000.00
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
20LN1Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.000.000.00
20HNZKinemetrics FBA ES-T EpiSensor AccelerometerTG100.00-90.000.000.00
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
10VH1Streckeisen STS-2 High-gainCG0.100.000.000.00
10LHZStreckeisen STS-2 High-gainCG1.00-90.000.000.00
10LH1Streckeisen STS-2 High-gainCG1.000.000.000.00
10HHZStreckeisen STS-2 High-gainTG100.00-90.000.000.00
10HH1Streckeisen STS-2 High-gainTG100.000.000.000.00
10BHZStreckeisen STS-2 High-gainCG40.00-90.000.000.00
10BH1Streckeisen STS-2 High-gainCG40.000.000.000.00
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
00VHZStreckeisen STS-1VBB w/E300CG0.10-90.000.000.00
00LHZStreckeisen STS-1VBB w/E300CG1.00-90.000.000.00
00BHZStreckeisen STS-1VBB w/E300CG20.00-90.000.000.00
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  1. 2015-07-31
    Replacement STS-2 fixed the pulsing issue.
  2. 2014-04-15
    The vertical component of the STS-2 has some LP pulsing.
  3. 2012-07-31
    STS-1 baseplate cables replaced fixing over damped long period response.
  4. 2009-11-07
    Upgraded to Q330 digitizer.