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Channel Summary

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Networks (1 time spans)

AK 1987-01-01 2599-12-31

Station Epochs (1 time spans)

NICH 2005-07-18 2023-08-16

Channel Epochs (3 time spans)

LHZ 2019-08-13T00:00:00 2023-08-15T00:00:08

LHZ 2014-07-16T00:00:00 2019-08-13T00:00:08

LHZ 2013-01-01T00:00:00 2014-07-16T00:00:08

AK : NICH : -- : LHZ (2019-08-13 - 2023-08-15)

Network

Map DOI

Station

NICH

Map

Location

Channel

LHZ

Instrument

Nanometrics Trillium 120 Sec Response/Quanterra 33

Start

2019-08-13T00:00:00 (225)

End

2023-08-15T00:00:08 (227)

Data Center

IRISDMC

Latitude

60.2357

Longitude

-143.9713

Elevation (m)

485.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

1.0

Units

M/S

Sensitivity

4.98112E8 @ 0.03 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_ARCTIC	Arctic Seismic Stations operating above 60 deg North
_US-REGIONAL	US Regional Networks

AK : NICH : -- : LHZ (2014-07-16 - 2019-08-13)

Network

Map DOI

Station

NICH

Map

Location

Channel

LHZ

Instrument

Nanometrics Trillium 240 Sec Response sn 400 and a

Start

2014-07-16T00:00:00 (197)

End

2019-08-13T00:00:08 (225)

Data Center

IRISDMC

Latitude

60.2357

Longitude

-143.9713

Elevation (m)

485.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

1.0

Units

M/S

Sensitivity

4.88233E8 @ 0.02 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_ARCTIC	Arctic Seismic Stations operating above 60 deg North
_US-REGIONAL	US Regional Networks

AK : NICH : -- : LHZ (2013-01-01 - 2014-07-16)

Network

Map DOI

Station

NICH

Map

Location

Channel

LHZ

Instrument

Nanometrics Trillium 240 Sec Response sn 400 and a

Start

2013-01-01T00:00:00 (001)

End

2014-07-16T00:00:08 (197)

Data Center

IRISDMC

Latitude

60.2357

Longitude

-143.9713

Elevation (m)

485.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

1.0

Units

M/S

Sensitivity

4.88233E8 @ 0.02 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_ARCTIC	Arctic Seismic Stations operating above 60 deg North
_US-REGIONAL	US Regional Networks