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Location Summary

Data availability and restrictions

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Context

Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

CMB 1986-10-25 2599-12-31

BK : CMB (1986-10-25 - 3000-01-01)

Network

Map DOI

Station

CMB

Map

Site Name

Columbia College, Columbia, CA, USA

Start

1996-09-25T19:19:00 (269)
1986-10-25T00:00:00 (298)

End

2599-12-31T23:59:59 (365)
3000-01-01T00:00:00 (001)

Data Center

IRISDMC
NCEDC
SCEDC

Latitude

38.03455

Longitude

-120.386513

Elevation (m)

697.0

Instruments

2024-10-31T21:10:00 (305) - 2599-12-31T23:59:59 (365) 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
00	Clock Phase LCE 1.0Hz IRISDMC NCEDC SCEDC VCE 0.1Hz IRISDMC NCEDC SCEDC Clock Quality LCQ 1.0Hz IRISDMC NCEDC SCEDC VCQ 0.1Hz IRISDMC NCEDC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC SCEDC \| HNN 100.0Hz IRISDMC NCEDC SCEDC \| HNZ 100.0Hz IRISDMC NCEDC SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC NCEDC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC NCEDC SCEDC Pump VTW 0.1Hz IRISDMC NCEDC SCEDC STS-7,Mass Position Seismometer,STRECKEISEN VMU 0.1Hz IRISDMC NCEDC SCEDC \| VMV 0.1Hz IRISDMC NCEDC SCEDC \| VMW 0.1Hz IRISDMC NCEDC SCEDC STS-7,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC SCEDC \| BHN 40.0Hz IRISDMC NCEDC SCEDC \| BHZ 40.0Hz IRISDMC NCEDC SCEDC HHE 100.0Hz IRISDMC NCEDC SCEDC \| HHN 100.0Hz IRISDMC NCEDC SCEDC \| HHZ 100.0Hz IRISDMC NCEDC SCEDC LHE 1.0Hz IRISDMC NCEDC SCEDC \| LHN 1.0Hz IRISDMC NCEDC SCEDC \| LHZ 1.0Hz IRISDMC NCEDC SCEDC VHE 0.1Hz IRISDMC NCEDC SCEDC \| VHN 0.1Hz IRISDMC NCEDC SCEDC \| VHZ 0.1Hz IRISDMC NCEDC SCEDC System Current VEC 0.1Hz IRISDMC NCEDC SCEDC System Temperature VKI 0.1Hz IRISDMC NCEDC SCEDC System Voltage VEP 0.1Hz IRISDMC NCEDC SCEDC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC NCEDC SCEDC
2022-02-18T20:00:00 (049) - 2024-10-31T21:10:00 (305)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC SCEDC \| HNN 100.0Hz IRISDMC NCEDC SCEDC \| HNZ 100.0Hz IRISDMC NCEDC SCEDC
2022-02-03T21:00:00 (034) - 2024-10-31T21:10:00 (305)
Location Code	Instruments / Channels
00	STS-7,Mass Position Seismometer,STRECKEISEN VMU 0.1Hz IRISDMC NCEDC SCEDC \| VMV 0.1Hz IRISDMC NCEDC SCEDC \| VMW 0.1Hz IRISDMC NCEDC SCEDC STS-7,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC SCEDC \| BHN 40.0Hz IRISDMC NCEDC SCEDC \| BHZ 40.0Hz IRISDMC NCEDC SCEDC HHE 100.0Hz IRISDMC NCEDC SCEDC \| HHN 100.0Hz IRISDMC NCEDC SCEDC \| HHZ 100.0Hz IRISDMC NCEDC SCEDC LHE 1.0Hz IRISDMC NCEDC SCEDC \| LHN 1.0Hz IRISDMC NCEDC SCEDC \| LHZ 1.0Hz IRISDMC NCEDC SCEDC VHE 0.1Hz IRISDMC NCEDC SCEDC \| VHN 0.1Hz IRISDMC NCEDC SCEDC \| VHZ 0.1Hz IRISDMC NCEDC SCEDC
2019-09-17T19:13:00 (260) - 2024-10-31T21:10:00 (305)
Location Code	Instruments / Channels
00	Pump VTW 0.1Hz IRISDMC NCEDC SCEDC
2017-09-15T20:00:00 (258) - 2022-02-18T20:00:00 (049)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC SCEDC \| HNN 100.0Hz IRISDMC NCEDC SCEDC \| HNZ 100.0Hz IRISDMC NCEDC SCEDC
2010-12-17T00:00:00 (351) - 2022-02-03T21:00:00 (034)
Location Code	Instruments / Channels
00	STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz IRISDMC NCEDC SCEDC \| VMN 0.1Hz IRISDMC NCEDC SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC SCEDC \| BHN 40.0Hz IRISDMC NCEDC SCEDC HHE 100.0Hz IRISDMC NCEDC SCEDC \| HHN 100.0Hz IRISDMC NCEDC SCEDC LHE 1.0Hz IRISDMC NCEDC SCEDC \| LHN 1.0Hz IRISDMC NCEDC SCEDC VHE 0.1Hz IRISDMC NCEDC SCEDC \| VHN 0.1Hz IRISDMC NCEDC SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz IRISDMC NCEDC SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz IRISDMC NCEDC SCEDC HHZ 100.0Hz IRISDMC NCEDC SCEDC LHZ 1.0Hz IRISDMC NCEDC SCEDC VHZ 0.1Hz IRISDMC NCEDC SCEDC
2010-12-17T00:00:00 (351) - 2017-09-15T20:00:00 (258)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC SCEDC \| HNN 100.0Hz IRISDMC NCEDC SCEDC \| HNZ 100.0Hz IRISDMC NCEDC SCEDC
2010-12-17T00:00:00 (351) - 2024-10-31T21:10:00 (305)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz IRISDMC NCEDC SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz IRISDMC NCEDC SCEDC VCE 0.1Hz IRISDMC NCEDC SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz IRISDMC NCEDC SCEDC VCQ 0.1Hz IRISDMC NCEDC SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz IRISDMC NCEDC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC NCEDC SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz IRISDMC NCEDC SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz IRISDMC NCEDC SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz IRISDMC NCEDC SCEDC
2010-12-17T00:00:00 (351) - 2019-09-17T19:13:00 (260)
Location Code	Instruments / Channels
00	Pump LTW 1.0Hz IRISDMC NCEDC SCEDC

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_ANSS-BB	Advanced National Seismic System Backbone Stations
_FDSN	FDSN network stations
_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
_US-TA	USArray Transportable Array (EarthScope) stations
_REALTIME	Stations collected and served in real time at the DMC
_STS-1	Stations Operating STS-1 sensors
_US-ALL	All USArray (EarthScope) stations
_US-ALL	All USArray (EarthScope) stations
_US-REF	USArray Reference Network stations
_US-REGIONAL	US Regional Networks