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Channel Summary

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Networks (1 time spans)

LB 1994-01-01 2599-12-31

Station Epochs (1 time spans)

TPH 1996-12-23 2599-12-31

Channel Epochs (8 time spans)

HHE 2026-03-03T19:52:05 3000-01-01T00:00:00

HHE 2026-03-03T19:52:05 2599-12-31T23:59:59

HHE 2025-12-04T23:59:59 2026-03-03T12:00:00

HHE 2023-08-30T16:10:14 2025-12-04T23:59:59

HHE 2013-11-21T19:20:00 2022-09-20T01:11:14

LB : TPH : 01 : HHE (2026-03-03 - 3000-01-01)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

TRILLIUM 120PA,Velocity Sensor,NANOMETRICS

Start

2026-03-03T19:52:05 (062)

End

3000-01-01T00:00:00 (001)

Data Center

NCEDC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.03784E8 @ 0.4 Hz (SEED Stage 0)

LB : TPH : 01 : HHE (2026-03-03 - 3000-01-01)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

Velocity Sensor

Start

2026-03-03T19:52:05 (062)

End

2599-12-31T23:59:59 (365)

Data Center

IRISDMC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.037844849815037E8 @ 0.4 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_US-REGIONAL	US Regional Networks

LB : TPH : 01 : HHE (2025-12-04 - 2026-03-03)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

TRILLIUM 120PA,Velocity Sensor,NANOMETRICS

Start

2025-12-04T23:59:59 (338)

End

2026-03-03T12:00:00 (062)

Data Center

NCEDC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1881.0

Depth (m)

2.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.03793E8 @ 0.4 Hz (SEED Stage 0)

LB : TPH : 01 : HHE (2025-12-04 - 2026-03-03)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

Velocity Sensor

Start

2025-12-04T23:59:59 (338)

End

2026-03-03T12:00:00 (062)

Data Center

IRISDMC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1881.0

Depth (m)

2.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.03792987182495E8 @ 0.4 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_US-REGIONAL	US Regional Networks

LB : TPH : 01 : HHE (2023-08-30 - 2025-12-04)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

TRILLIUM 120PA,Velocity Sensor,NANOMETRICS

Start

2023-08-30T16:10:14 (242)

End

2025-12-04T23:59:59 (338)

Data Center

NCEDC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.03735E8 @ 0.4 Hz (SEED Stage 0)

LB : TPH : 01 : HHE (2023-08-30 - 2025-12-04)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

Velocity Sensor

Start

2023-08-30T16:10:14 (242)

End

2025-12-04T23:59:59 (338)

Data Center

IRISDMC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

5.0373500000000006E8 @ 0.4 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_US-REGIONAL	US Regional Networks

LB : TPH : 01 : HHE (2013-11-21 - 2022-09-20)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

TRILLIUM 120PA,Velocity Sensor,NANOMETRICS

Start

2013-11-21T19:20:00 (325)

End

2022-09-20T01:11:14 (263)

Data Center

NCEDC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

2.01494E9 @ 0.4 Hz (SEED Stage 0)

LB : TPH : 01 : HHE (2013-11-21 - 2022-09-20)

Network

Map

Station

TPH

Map

Location

Channel

HHE

Instrument

Velocity Sensor

Start

2013-11-21T19:20:00 (325)

End

2022-09-20T01:11:14 (263)

Data Center

IRISDMC

Latitude

38.075

Longitude

-117.2225

Elevation (m)

1883.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

0.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

100.0

Units

M/S

Sensitivity

2.0149400000000002E9 @ 0.4 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_US-REGIONAL	US Regional Networks