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
AV
Station
CAHL
Location
--
Channel
EHZ
Instrument
Mark L-4 1 Hz
Start
2016-06-04T00:00:00 (156)
End
2020-06-30T00:00:00 (182)
Data Center
Latitude
58.0518
Longitude
-155.3036
Elevation (m)
807.0
Depth (m)
0.0
(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
2.5884E9 @ 5.0
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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
Network
AV
Station
CAHL
Location
--
Channel
EHZ
Instrument
Mark L-4 1 Hz
Start
2001-08-31T00:00:00 (243)
End
2016-06-04T00:00:00 (156)
Data Center
Latitude
58.0518
Longitude
-155.3036
Elevation (m)
807.0
Depth (m)
0.0
(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
6.4558E8 @ 5.0
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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
Network
AV
Station
CAHL
Location
--
Channel
EHZ
Instrument
Mark L-4 1 Hz
Start
1999-07-16T00:00:00 (197)
End
2001-08-31T00:00:00 (243)
Data Center
Latitude
58.0518
Longitude
-155.3036
Elevation (m)
807.0
Depth (m)
0.0
(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
3.6337E8 @ 5.0
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
_US-REGIONAL
US Regional Networks
_REALTIME
Stations collected and served in real time at the DMC
Network
AV
Station
CAHL
Location
--
Channel
EHZ
Instrument
Mark L-4 1 Hz
Start
1997-07-20T00:00:00 (201)
End
1999-07-16T00:00:00 (197)
Data Center
Latitude
58.0518
Longitude
-155.3036
Elevation (m)
807.0
Depth (m)
0.0
(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
3.6337E8 @ 5.0
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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
Network
AV
Station
CAHL
Location
--
Channel
EHZ
Instrument
Mark L-4 1 Hz
Start
1996-07-25T00:00:00 (207)
End
1997-07-20T00:00:00 (201)
Data Center
Latitude
58.0518
Longitude
-155.3036
Elevation (m)
807.0
Depth (m)
0.0
(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
9.1274E7 @ 5.0
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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks