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
COLA
Location
00
Channel
HHZ
Instrument
Velocity Sensor
Start
2026-07-31T02:00:00 (212)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
64.873566
Longitude
-147.861772
Elevation (m)
84.0
Depth (m)
116.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
100.0
Units
M/S
Sensitivity
1.98475E9 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_ANSS-BB Advanced National Seismic System Backbone Stations
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_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
_US-REF USArray Reference Network stations
_REALTIME Stations collected and served in real time at the DMC
_US-ALL All USArray (EarthScope) stations
_US-ALL All USArray (EarthScope) stations
_US-TA USArray Transportable Array (EarthScope) stations
Network
IU
Station
COLA
Location
00
Channel
HHZ
Instrument
Velocity Sensor
Start
2023-07-12T00:00:00 (193)
End
2026-07-31T02:00:00 (212)
Data Center
Latitude
64.873566
Longitude
-147.861772
Elevation (m)
83.0
Depth (m)
117.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
100.0
Units
M/S
Sensitivity
1.98475E9 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_ANSS-BB Advanced National Seismic System Backbone Stations
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_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
_US-ALL All USArray (EarthScope) stations
_US-REF USArray Reference Network stations
_US-ALL All USArray (EarthScope) stations
_US-TA USArray Transportable Array (EarthScope) stations
Network
IU
Station
COLA
Location
00
Channel
HHZ
Instrument
Velocity Sensor
Start
2018-08-30T00:00:00 (242)
End
2023-07-12T00:00:00 (193)
Data Center
Latitude
64.873566
Longitude
-147.861772
Elevation (m)
83.0
Depth (m)
117.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
100.0
Units
M/S
Sensitivity
1.98475E9 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_ANSS-BB Advanced National Seismic System Backbone Stations
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_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
_US-TA USArray Transportable Array (EarthScope) stations
_REALTIME Stations collected and served in real time at the DMC
_US-ALL All USArray (EarthScope) stations
_US-ALL All USArray (EarthScope) stations
_US-REF USArray Reference Network stations
Network
IU
Station
COLA
Location
00
Channel
HHZ
Instrument
Velocity Sensor
Start
2017-09-13T18:00:00 (256)
End
2018-08-30T00:00:00 (242)
Data Center
Latitude
64.873566
Longitude
-147.861772
Elevation (m)
84.0
Depth (m)
116.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
100.0
Units
M/S
Sensitivity
1.82872E9 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_ANSS-BB Advanced National Seismic System Backbone Stations
_ARCTIC Arctic Seismic Stations operating above 60 deg North
_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
_US-TA USArray Transportable Array (EarthScope) stations
_REALTIME Stations collected and served in real time at the DMC
_US-ALL All USArray (EarthScope) stations
_US-ALL All USArray (EarthScope) stations
_US-REF USArray Reference Network stations
