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
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2026-06-17T19:00:00 (168)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.5180139472337 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
NANOMETRICS TRILLIUM 240 S/N:687 Mass Position Seismometer
Start
2026-06-17T19:00:00 (168)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.518013947234 @ 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
_US-REGIONAL
US Regional Networks
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2020-12-01T12:00:00 (336)
End
2026-06-17T19:00:00 (168)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.5180139472337 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
NANOMETRICS TRILLIUM 240 S/N:687 Mass Position Seismometer
Start
2020-12-01T12:00:00 (336)
End
2026-06-17T19:00:00 (168)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.518013947234 @ 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
_REALTIME
Stations collected and served in real time at the DMC
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2015-06-25T22:00:00 (176)
End
2020-12-01T12:00:00 (336)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.5180139472337 @ 0.025
Hz (SEED Stage 0)
IRISDMC Response
(RESP
SAC PZs
XML )
IRISDMC metadata changes:
View IRISDMC Metadata Changes
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
NANOMETRICS TRILLIUM 240 S/N:687 Mass Position Seismometer
Start
2015-06-25T22:00:00 (176)
End
2020-12-01T12:00:00 (336)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
598.518013947234 @ 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
_REALTIME
Stations collected and served in real time at the DMC
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2010-11-02T17:00:00 (306)
End
2015-06-25T22:00:00 (176)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
CHF
Location
--
Channel
VMW
Instrument
NANOMETRICS TRILLIUM 240 S/N:687 Mass Position Seismometer
Start
2010-11-02T17:00:00 (306)
End
2015-06-25T22:00:00 (176)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
_US-REGIONAL
US Regional Networks
_REALTIME
Stations collected and served in real time at the DMC
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2009-06-04T18:00:00 (155)
End
2010-11-02T17:00:00 (306)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
CHF
Location
--
Channel
VMW
Instrument
STRECKEISEN STS-2 S/N:99129 Mass Position Seismometer
Start
2009-06-04T18:00:00 (155)
End
2010-11-02T17:00:00 (306)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2009-04-17T16:57:00 (107)
End
2009-06-04T18:00:00 (155)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
CHF
Location
--
Channel
VMW
Instrument
STRECKEISEN STS-2 S/N:99129 Mass Position Seismometer
Start
2009-04-17T16:57:00 (107)
End
2009-06-04T18:00:00 (155)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2007-01-26T12:30:00 (026)
End
2009-04-17T16:57:00 (107)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
CHF
Location
--
Channel
VMW
Instrument
STRECKEISEN STS-2 S/N:99129 Mass Position Seismometer
Start
2007-01-26T12:30:00 (026)
End
2009-04-17T16:57:00 (107)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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-REGIONAL
US Regional Networks
_REALTIME
Stations collected and served in real time at the DMC
Network
CI
Station
CHF
Location
--
Channel
VMW
Instrument
Mass Position Seismometer
Start
2006-06-15T17:28:00 (166)
End
2007-01-26T12:30:00 (026)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
CHF
Location
--
Channel
VMW
Instrument
STRECKEISEN STS-2 S/N:99129 Mass Position Seismometer
Start
2006-06-15T17:28:00 (166)
End
2007-01-26T12:30:00 (026)
Data Center
Latitude
34.33341
Longitude
-118.02585
Elevation (m)
1594.0
Depth (m)
0.0
(Local depth or overburden)
Azimuth
150.0
(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
_REALTIME
Stations collected and served in real time at the DMC
_US-REGIONAL
US Regional Networks