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Channel Summary

Data availability and restrictions
Results limited by date range: 2012-07-19T19:45:00 - 2026-01-23T22:20:00 Clear

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Networks (1 time spans)

BK : VALB : 40 : SP1 (2026-01-27 - 3000-01-01)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
GEOSPACE HS-1-LT VERTICAL S/N:VALB-4 Geophone
Start
2026-01-27T00:06:00 (027)
End
3000-01-01T00:00:00 (001)
Data Center
  • SCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.300003
Depth (m)
155.800003 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
2.37529212425921E9 @ 5.0 Hz (SEED Stage 0)

BK : VALB : 40 : SP1 (2026-01-27 - 3000-01-01)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
HS-1-LT VERTICAL,Geophone,GEOSPACE
Start
2026-01-27T00:06:00 (027)
End
  • 2599-12-31T23:59:59 (365)
  • 3000-01-01T00:00:00 (001)
Data Center
  • IRISDMC
  • NCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.3
Depth (m)
155.8 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
2.37529E9 @ 5.0 Hz (SEED Stage 0)
IRISDMC Response (RESP SAC PZs XML)

IRISDMC metadata changes:

Virtual network affiliations:

Name Description
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL US Regional Networks

BK : VALB : 40 : SP1 (2026-01-23 - 2026-01-27)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
GEOSPACE HS-1-LT VERTICAL S/N:VALB-4 Geophone
Start
2026-01-23T22:20:00 (023)
End
2026-01-27T00:06:00 (027)
Data Center
  • SCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.300003
Depth (m)
155.800003 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
2.37529212425921E9 @ 5.0 Hz (SEED Stage 0)

BK : VALB : 40 : SP1 (2026-01-23 - 2026-01-27)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
HS-1-LT VERTICAL,Geophone,GEOSPACE
Start
2026-01-23T22:20:00 (023)
End
2026-01-27T00:06:00 (027)
Data Center
  • IRISDMC
  • NCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.3
Depth (m)
155.8 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
2.37529E9 @ 5.0 Hz (SEED Stage 0)
IRISDMC Response (RESP SAC PZs XML)

IRISDMC metadata changes:

Virtual network affiliations:

Name Description
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL US Regional Networks

BK : VALB : 40 : SP1 (2012-07-19 - 2026-01-23)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
GEOSPACE HS-1-LT VERTICAL S/N:VALB-4 Geophone
Start
2012-07-19T19:45:00 (201)
End
2026-01-23T22:20:00 (023)
Data Center
  • SCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.3
Depth (m)
155.800003 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
-2.097149952E9 @ 30.0 Hz (SEED Stage 0)

BK : VALB : 40 : SP1 (2012-07-19 - 2026-01-23)

Network
BK
Map DOI
Station
VALB
Map
Location
40
Channel
SP1
Instrument
HS-1-LT VERTICAL,Geophone,GEOSPACE
Start
2012-07-19T19:45:00 (201)
End
2026-01-23T22:20:00 (023)
Data Center
  • IRISDMC
  • NCEDC
Latitude
38.121498
Longitude
-122.275299
Elevation (m)
-180.3
Depth (m)
155.8 (Local depth or overburden)
Azimuth
0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
20.0
Units
M/S
Sensitivity
-2.09715E9 @ 30.0 Hz (SEED Stage 0)
IRISDMC Response (RESP SAC PZs XML)

IRISDMC metadata changes:

Virtual network affiliations:

Name Description
_FDSN-ALL All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL US Regional Networks
20:41:28 v.1.3.5