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
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2025-07-31T18:30:00 (212)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2025-07-31T18:30:00 (212)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2021-09-23T19:00:00 (266)
End
2025-07-31T18:30:00 (212)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2021-09-23T19:00:00 (266)
End
2025-07-31T18:30:00 (212)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
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
_US-ALL
All USArray (EarthScope) stations
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2016-03-10T19:00:00 (070)
End
2021-09-23T19:00:00 (266)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2016-03-10T19:00:00 (070)
End
2021-09-23T19:00:00 (266)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 0.025
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2010-01-13T18:50:00 (013)
End
2016-03-10T19:00:00 (070)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2010-01-13T18:50:00 (013)
End
2016-03-10T19:00:00 (070)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 1.0
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2009-11-17T12:00:00 (321)
End
2010-01-13T18:50:00 (013)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2009-11-17T12:00:00 (321)
End
2010-01-13T18:50:00 (013)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
10.0 @ 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
_US-ALL
All USArray (EarthScope) stations
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2006-05-05T20:04:26 (125)
End
2009-11-17T12:00:00 (321)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
51.2 @ 1.0
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
MPI
Location
--
Channel
VMU
Instrument
STRECKEISEN STS-2 S/N:39954 Mass Position Seismometer
Start
2006-05-05T20:04:26 (125)
End
2009-11-17T12:00:00 (321)
Data Center
Latitude
34.81258
Longitude
-119.1453
Elevation (m)
2673.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
270.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
-35.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
V
Sensitivity
51.2 @ 1.0
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
_US-TA
USArray Transportable Array (EarthScope) stations