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
OK
Station
NOKA
Location
--
Channel
HHE
Instrument
Trillium Compact, 120 s, 754 V/m/s-Centaur, 40 vpp
Start
2026-06-25T18:19:00 (176)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
36.63468
Longitude
-98.93193
Elevation (m)
476.0
Depth (m)
2.0
(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)
100.0
Units
M/S
Sensitivity
3.0172E8 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_OGS Oklahoma Geological Survey Seismic Monitoring Program
_US-REGIONAL US Regional Networks
_REALTIME Stations collected and served in real time at the DMC
Network
OK
Station
NOKA
Location
--
Channel
HHE
Instrument
CMG-6T, 30s-100Hz, 2400 V/m/s-RT130, gain 1, 100 s
Start
2016-02-18T00:00:00 (049)
End
2026-06-25T18:00:00 (176)
Data Center
Latitude
36.63468
Longitude
-98.93193
Elevation (m)
476.0
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)
100.0
Units
M/S
Sensitivity
1.38016E9 @ 0.05
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_OGS Oklahoma Geological Survey Seismic Monitoring Program
_REALTIME Stations collected and served in real time at the DMC
_US-REGIONAL US Regional Networks
