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
BK
Station
WTWN
Location
00
Channel
HHE
Instrument
TRILLIUM 120 POSTHOLE,Velocity Sensor,NANOMETRICS
Start
2025-08-13T18:13:00 (225)
End
2599-12-31T23:59:59 (365)
3000-01-01T00:00:00 (001)
Data Center
Latitude
40.60339
Longitude
-122.55616
Elevation (m)
463.3
Depth (m)
31.7
(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
4.7832E8 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
Network
BK
Station
WTWN
Location
00
Channel
HHE
Instrument
TRILLIUM 120 POSTHOLE,Velocity Sensor,NANOMETRICS
Start
2025-07-16T19:50:00 (197)
End
2025-08-13T18:13:00 (225)
Data Center
Latitude
40.60339
Longitude
-122.55616
Elevation (m)
463.3
Depth (m)
31.7
(Local depth or overburden)
Azimuth
163.0
(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
4.7832E8 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Virtual network affiliations:
Name
Description
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
