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
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
MBB-2,Mass Position Seismometer,EQMET
Start
2025-07-02T19:00:00 (183)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
V
Sensitivity
@
Hz (SEED Stage 0)
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
Mass Position Seismometer
Start
2025-07-02T19:00:00 (183)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
Sensitivity
@
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
_US-REGIONAL
US Regional Networks
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
EQMET PBB-200S S/N:248 Mass Position Seismometer
Start
2014-09-30T18:35:00 (273)
End
2025-07-02T19:00:00 (183)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
Mass Position Seismometer
Start
2014-09-30T18:35:00 (273)
End
2025-07-02T19:00:00 (183)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
PBB-200S,Mass Position Seismometer,EQMET
Start
2014-09-30T18:35:00 (273)
End
2025-07-02T19:00:00 (183)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL
US Regional Networks
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
EQMET PBB-200S S/N:252 Mass Position Seismometer
Start
2014-08-05T20:00:00 (217)
End
2014-09-30T18:35:00 (273)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
Mass Position Seismometer
Start
2014-08-05T20:00:00 (217)
End
2014-09-30T18:35:00 (273)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
SYN
Location
--
Channel
VMZ
Instrument
PBB-200S,Mass Position Seismometer,EQMET
Start
2014-08-05T20:00:00 (217)
End
2014-09-30T18:35:00 (273)
Data Center
Latitude
34.60723
Longitude
-120.0696
Elevation (m)
201.0
Depth (m)
2.3
(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)
0.1
Units
M/S**2
Sensitivity
600.0 @ 1.0
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL
US Regional Networks