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
N4
Station
J55A
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2026-08-27T21:30:00 (239)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
43.2657
Longitude
-77.8167
Elevation (m)
97.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
90.0
(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
M/S
Sensitivity
4.94316E8 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_US-REGIONAL US Regional Networks
_CEUSN Central Eastern United States Network
_REALTIME Stations collected and served in real time at the DMC
_US-TA-ADOPTED EarthScope USArray Adopted Stations
Network
N4
Station
J55A
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2023-05-14T23:00:00 (134)
End
2026-08-27T21:30:00 (239)
Data Center
Latitude
43.2657
Longitude
-77.8167
Elevation (m)
97.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
90.0
(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
M/S
Sensitivity
6.05605E8 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_CEUSN Central Eastern United States Network
_US-TA-ADOPTED EarthScope USArray Adopted Stations
_US-REGIONAL US Regional Networks
_REALTIME Stations collected and served in real time at the DMC
Network
N4
Station
J55A
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2019-04-11T15:00:00 (101)
End
2023-05-14T23:00:00 (134)
Data Center
Latitude
43.2657
Longitude
-77.8167
Elevation (m)
97.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
90.0
(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
M/S
Sensitivity
6.05605E8 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_REALTIME Stations collected and served in real time at the DMC
_US-TA-ADOPTED EarthScope USArray Adopted Stations
_CEUSN Central Eastern United States Network
_US-REGIONAL US Regional Networks
Network
N4
Station
J55A
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2019-03-13T20:12:00 (072)
End
2019-04-11T15:00:00 (101)
Data Center
Latitude
43.2657
Longitude
-77.8167
Elevation (m)
97.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
90.0
(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
M/S
Sensitivity
6.05605E8 @ 0.02
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_CEUSN Central Eastern United States Network
_REALTIME Stations collected and served in real time at the DMC
_US-TA-ADOPTED EarthScope USArray Adopted Stations
_US-REGIONAL US Regional Networks
