MetaData Aggregator

Channel Summary

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Context

Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

TCHL 2013-06-19 2599-12-31

Channel Epochs (5 time spans)

MMN 2026-02-04T22:00:00 2599-12-31T23:59:59

MMN 2026-02-04T22:00:00 2026-10-29T17:20:00

MMN 2017-03-03T21:50:00 2026-02-04T22:00:00

BK : TCHL : 00 : MMN (2026-02-04 - 2599-12-31)

Network

Map DOI

Station

TCHL

Map

Location

Channel

MMN

Instrument

CMG-3T,Mass Position Seismometer,GURALP

Start

2026-02-04T22:00:00 (035)

End

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

Data Center

IRISDMC

Latitude

35.688122

Longitude

-120.400917

Elevation (m)

431.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

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

Sample Rate (Hz)

4.0

Units

M/S**2

Sensitivity

6986270.0 @ 1.0 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_US-REGIONAL	US Regional Networks

BK : TCHL : 00 : MMN (2026-02-04 - 2026-10-29)

Network

Map DOI

Station

TCHL

Map

Location

Channel

MMN

Instrument

CMG-3T,Mass Position Seismometer,GURALP

Start

2026-02-04T22:00:00 (035)

End

2026-10-29T17:20:00 (302)

Data Center

NCEDC

Latitude

35.688122

Longitude

-120.400917

Elevation (m)

431.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

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

Sample Rate (Hz)

4.0

Units

M/S**2

Sensitivity

6986270.0 @ 1.0 Hz (SEED Stage 0)

BK : TCHL : 00 : MMN (2026-02-04 - 2026-10-29)

Network

Map DOI

Station

TCHL

Map

Location

Channel

MMN

Instrument

GURALP CMG-3T S/N:T37002 Mass Position Seismometer

Start

2026-02-04T22:00:00 (035)

End

2026-10-29T17:20:00 (302)

Data Center

SCEDC

Latitude

35.688122

Longitude

-120.400917

Elevation (m)

431.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

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

Sample Rate (Hz)

4.0

Units

M/S**2

Sensitivity

6986272.57179 @ 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

BK : TCHL : 00 : MMN (2017-03-03 - 2026-02-04)

Network

Map DOI

Station

TCHL

Map

Location

Channel

MMN

Instrument

CMG-3T,Mass Position Seismometer,GURALP

Start

2017-03-03T21:50:00 (062)

End

2026-02-04T22:00:00 (035)

Data Center

IRISDMC
NCEDC

Latitude

35.688122

Longitude

-120.400917

Elevation (m)

431.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

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

Sample Rate (Hz)

4.0

Units

M/S**2

Sensitivity

6986270.0 @ 1.0 Hz (SEED Stage 0)

IRISDMC metadata changes:

BK : TCHL : 00 : MMN (2017-03-03 - 2026-02-04)

Network

Map DOI

Station

TCHL

Map

Location

Channel

MMN

Instrument

GURALP CMG-3T S/N:T37002 Mass Position Seismometer

Start

2017-03-03T21:50:00 (062)

End

2026-02-04T22:00:00 (035)

Data Center

SCEDC

Latitude

35.688122

Longitude

-120.400917

Elevation (m)

431.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

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

Dip

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

Sample Rate (Hz)

4.0

Units

M/S**2

Sensitivity

6986272.5 @ 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