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
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2026-02-22T05:23:00 (053)
End
2599-12-31T23:59:59 (365)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1913.0
Depth (m)
77.0
(Local depth or overburden)
Azimuth
345.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.9811E9 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2018-10-25T00:00:00 (298)
End
2026-02-22T05:23:00 (053)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1913.0
Depth (m)
77.0
(Local depth or overburden)
Azimuth
185.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.9811E9 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2014-12-12T00:00:00 (346)
End
2018-10-25T00:00:00 (298)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1910.0
Depth (m)
80.0
(Local depth or overburden)
Azimuth
228.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
3.28062E9 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Velocity Sensor
Start
2011-01-20T00:00:00 (020)
End
2014-12-12T00:00:00 (346)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1910.0
Depth (m)
80.0
(Local depth or overburden)
Azimuth
228.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
3.28062E9 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Geotech KS-54000 Borehole Seismometer
Start
2009-08-09T00:00:00 (221)
End
2011-01-20T00:00:00 (020)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1910.0
Depth (m)
80.0
(Local depth or overburden)
Azimuth
228.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.36416E10 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Geotech KS-54000 Borehole Seismometer
Start
2006-04-25T00:00:00 (115)
End
2009-08-09T00:00:00 (221)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1910.0
Depth (m)
80.0
(Local depth or overburden)
Azimuth
228.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.36416E10 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
_ANSS-BB
Advanced National Seismic System Backbone Stations
_REALTIME
Stations collected and served in real time at the DMC
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Geotech KS-54000 Borehole Seismometer
Start
2005-05-28T00:00:00 (148)
End
2006-04-25T00:00:00 (115)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1910.0
Depth (m)
80.0
(Local depth or overburden)
Azimuth
98.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.41528E10 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Geotech KS-54000 Borehole Seismometer
Start
2004-09-22T01:56:00 (266)
End
2005-05-28T00:00:00 (148)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1909.7
Depth (m)
80.3
(Local depth or overburden)
Azimuth
210.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.37963E10 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
Network
IU
Station
POHA
Location
00
Channel
VH2
Instrument
Geotech KS-54000 Borehole Seismometer
Start
1999-11-13T00:00:00 (317)
End
2004-09-22T01:56:00 (266)
Data Center
Latitude
19.7573
Longitude
-155.5326
Elevation (m)
1909.7
Depth (m)
80.3
(Local depth or overburden)
Azimuth
10.0
(SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0
(SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.1
Units
M/S
Sensitivity
1.37963E10 @ 0.02
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
_GSN
Global Seismographic Network stations and arrays
_GSN-BROADBAND
Global Seismographic Network broadband stations
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_HAWAII
Seismic Stations Deployed in the Hawaiian Island Chain
_CARIBE-EWS
ICG Caribe EWS Reference Network Stations
_REALTIME
Stations collected and served in real time at the DMC
_ANSS-BB
Advanced National Seismic System Backbone Stations