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Channel Summary

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Context

Networks (1 time spans)

OK 1978-01-01 2599-12-31

Station Epochs (1 time spans)

TG11 2026-05-20 2599-12-31

Channel Epochs (1 time spans)

HHN 2026-05-20T18:44:00 2599-12-31T23:59:59

OK : TG11 : -- : HHN (2026-05-20 - 2599-12-31)

Network

Map DOI

Station

TG11

Map

Location

Channel

HHN

Instrument

Trillium Cascadia seismometer, 120 s, 754 V/m/s-Ce

Start

2026-05-20T18:44:00 (140)

End

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

Data Center

IRISDMC

Latitude

35.269013

Longitude

-97.814551

Elevation (m)

412.0

Depth (m)

2.0 (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)

100.0

Units

M/S

Sensitivity

3.0172E8 @ 1.0 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_OGS	Oklahoma Geological Survey Seismic Monitoring Program