MetaData Aggregator
Channel Summary
The previous service providing data availability and restriction information
has been retired. A replacement service is under development but a timeline
for release is not yet available.
Data availability and restrictions
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2025-07-28T06:00:00 (209)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
481.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2023-01-30T15:21:00 (030)
End
2025-07-28T06:00:00 (209)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
381.0
Depth (m)
100.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2019-03-20T04:00:00 (079)
End
2023-01-30T15:21:00 (030)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
481.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2017-10-27T06:00:00 (300)
End
2019-03-20T04:00:00 (079)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
481.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2016-09-01T07:00:00 (245)
End
2017-10-27T06:00:00 (300)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
481.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
Network
IU
Station
CHTO
Location
10
Channel
VMU
Instrument
Mass Position Seismometer
Start
2012-09-27T00:00:00 (271)
End
2016-09-01T07:00:00 (245)
Data Center
Latitude
18.81401
Longitude
98.94447
Elevation (m)
481.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
Sensitivity
@
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN FDSN network stations
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_GSN Global Seismographic Network stations and arrays
_GSN-BROADBAND Global Seismographic Network broadband stations
_REALTIME Stations collected and served in real time at the DMC
