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
SNCC
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2025-03-20T17:20:00 (079)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
M/S**2
Sensitivity
59344.11985638916 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
SNCC
Location
--
Channel
VMU
Instrument
STS-2.5,Mass Position Seismometer,STRECKEISEN
Start
2025-03-20T17:20:00 (079)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
M/S**2
Sensitivity
59344.1 @ 0.025
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_REALTIME
Stations collected and served in real time at the DMC
_STS-1
Stations Operating STS-1 sensors
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
_US-TA
USArray Transportable Array (EarthScope) stations
Network
CI
Station
SNCC
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2017-08-08T19:00:00 (220)
End
2025-03-20T17:20:00 (079)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
M/S**2
Sensitivity
593.4411985638916 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
SNCC
Location
--
Channel
VMU
Instrument
STS-2.5,Mass Position Seismometer,STRECKEISEN
Start
2017-08-08T19:00:00 (220)
End
2025-03-20T17:20:00 (079)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
M/S**2
Sensitivity
593.441 @ 0.025
Hz (SEED Stage 0)
Virtual network affiliations:
Name
Description
_FDSN-ALL
All FDSN Member Network Stations Available at IRIS DMC
_US-TA
USArray Transportable Array (EarthScope) stations
_REALTIME
Stations collected and served in real time at the DMC
_STS-1
Stations Operating STS-1 sensors
_US-ALL
All USArray (EarthScope) stations
_US-REGIONAL
US Regional Networks
Network
CI
Station
SNCC
Location
--
Channel
VMU
Instrument
Mass Position Seismometer
Start
2012-07-31T18:00:00 (213)
End
2017-08-08T19:00:00 (220)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
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
SNCC
Location
--
Channel
VMU
Instrument
STS-2.5,Mass Position Seismometer,STRECKEISEN
Start
2012-07-31T18:00:00 (213)
End
2017-08-08T19:00:00 (220)
Data Center
Latitude
33.24787
Longitude
-119.52437
Elevation (m)
275.0
Depth (m)
2.0
(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
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
_STS-1
Stations Operating STS-1 sensors
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
_US-ALL
All USArray (EarthScope) stations
_US-TA
USArray Transportable Array (EarthScope) stations