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
NN
Station
LCH
Location
--
Channel
HHE
Instrument
NANOMETRICS TRILLIUM COMPACT S/N:1833 Velocity Sensor
Start
2025-06-20T16:50:49 (171)
End
3000-01-01T00:00:00 (001)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1413.0
Depth (m)
1.0
(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
3.16267981509922E8 @ 0.3
Hz (SEED Stage 0)
Network
NN
Station
LCH
Location
--
Channel
HHE
Instrument
Trillium 120 Compact/Reftek Wrangler
Start
2025-06-20T16:50:49 (171)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1414.0
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
2.01618E10 @ 0.3
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
_REALTIME Stations collected and served in real time at the DMC
Network
NN
Station
LCH
Location
--
Channel
HHE
Instrument
Trillium 120 Compact/Reftek Wrangler
Start
2025-06-04T20:42:59 (155)
End
2025-06-20T16:47:15 (171)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1414.0
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
2.01618E10 @ 0.3
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
_REALTIME Stations collected and served in real time at the DMC
Network
NN
Station
LCH
Location
--
Channel
HHE
Instrument
NANOMETRICS TRILLIUM COMPACT S/N:1833 Velocity Sensor
Start
2025-06-04T20:42:59 (155)
End
2025-06-20T16:50:49 (171)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1413.0
Depth (m)
1.0
(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
3.16267981509922E8 @ 0.3
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_US-REGIONAL US Regional Networks
_REALTIME Stations collected and served in real time at the DMC
Network
NN
Station
LCH
Location
--
Channel
HHE
Instrument
NANOMETRICS TRILLIUM COMPACT S/N:1833 Velocity Sensor
Start
2015-01-28T12:00:00 (028)
End
2025-03-26T19:04:04 (085)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1414.0
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
3.1625E8 @ 0.4
Hz (SEED Stage 0)
Network
NN
Station
LCH
Location
--
Channel
HHE
Instrument
Trillium 120 Compact/Quanterra 330 Linear Phase Co
Start
2015-01-28T12:00:00 (028)
End
2025-03-26T19:04:04 (085)
Data Center
Latitude
37.2329
Longitude
-117.6459
Elevation (m)
1414.0
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
3.16251E8 @ 0.4
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-REGIONAL US Regional Networks
