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
NC
Station
NHM
Location
20
Channel
HNN
Instrument
NANOMETRICS TITAN S/N:3827 Accelerometer
Start
2025-07-07T15:30:00 (188)
End
3000-01-01T00:00:00 (001)
Data Center
Latitude
38.15486
Longitude
-121.80438
Elevation (m)
31.0
Depth (m)
2.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
200.0
Units
M/S**2
Sensitivity
203999.998305255 @ 1.0
Hz (SEED Stage 0)
Network
NC
Station
NHM
Location
20
Channel
HNN
Instrument
TITAN,Accelerometer,NANOMETRICS
Start
2025-07-07T15:30:00 (188)
End
2599-12-31T23:59:59 (365)
3000-01-01T00:00:00 (001)
Data Center
Latitude
38.15486
Longitude
-121.80438
Elevation (m)
31.0
Depth (m)
2.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
200.0
Units
M/S**2
Sensitivity
204000.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
NC
Station
NHM
Location
20
Channel
HNN
Instrument
EPISENSOR ES-T,Accelerometer,KINEMETRICS
Start
2018-12-14T16:00:00 (348)
End
2025-07-07T15:30:00 (188)
Data Center
Latitude
38.154861
Longitude
-121.804382
Elevation (m)
33.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
200.0
Units
M/S**2
Sensitivity
213876.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
NC
Station
NHM
Location
20
Channel
HNN
Instrument
KINEMETRICS EPISENSOR ES-T S/N:7181 Accelerometer
Start
2018-12-14T16:00:00 (348)
End
2025-07-07T15:30:00 (188)
Data Center
Latitude
38.154861
Longitude
-121.804382
Elevation (m)
33.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
0.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
200.0
Units
M/S**2
Sensitivity
213876.2086235 @ 1.0
Hz (SEED Stage 0)
