Seismological Facility for the Advancement of Geoscience

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Location Summary

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Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

OHLN 2001-10-05 2011-08-16

BK : OHLN (2001-10-05 - 3000-01-01)

Network

BK

Map DOI

Station

OHLN

Site Name

Ohlone Park, Hercules, CA, USA

Start

2001-10-05T00:00:00 (278)

End

2011-08-16T21:24:37 (228)
3000-01-01T00:00:00 (001)

Data Center

IRISDMC
NCEDC
SCEDC

Latitude

38.006248
38.00625

Longitude

-122.272987
-122.27299

Elevation (m)

-0.5

Instruments

2011-03-22T17:47:00 (081) - 2011-08-16T21:24:37 (228)
Location Code	Instruments / Channels
40	L-22D HORIZONTAL,Geophone,SERCEL EP2 100.0Hz IRISDMC NCEDC \| EP3 100.0Hz IRISDMC NCEDC LP2 1.0Hz IRISDMC NCEDC \| LP3 1.0Hz IRISDMC NCEDC SP2 20.0Hz IRISDMC NCEDC \| SP3 20.0Hz IRISDMC NCEDC L-22D VERTICAL,Geophone,SERCEL EP1 100.0Hz IRISDMC NCEDC LP1 1.0Hz IRISDMC NCEDC SP1 20.0Hz IRISDMC NCEDC MODEL 270,Pressure,SETRA LDO 1.0Hz IRISDMC NCEDC Mark Products L-22 Horizontal Geophone EP2 100.0Hz SCEDC \| EP3 100.0Hz SCEDC LP2 1.0Hz SCEDC \| LP3 1.0Hz SCEDC SP2 20.0Hz SCEDC \| SP3 20.0Hz SCEDC Mark Products L-22 Vertical Geophone EP1 100.0Hz SCEDC LP1 1.0Hz SCEDC SP1 20.0Hz SCEDC SE TENSOR,Linear Strain,SACKS-EVERTSON BS1 20.0Hz IRISDMC NCEDC \| BS2 20.0Hz IRISDMC NCEDC \| BS3 20.0Hz IRISDMC NCEDC HS1 100.0Hz IRISDMC NCEDC \| HS2 100.0Hz IRISDMC NCEDC \| HS3 100.0Hz IRISDMC NCEDC LS1 1.0Hz IRISDMC NCEDC \| LS2 1.0Hz IRISDMC NCEDC \| LS3 1.0Hz IRISDMC NCEDC Sacks 3-component Tensor Strainmeter BS1 20.0Hz SCEDC \| BS2 20.0Hz SCEDC \| BS3 20.0Hz SCEDC HS1 100.0Hz SCEDC \| HS2 100.0Hz SCEDC \| HS3 100.0Hz SCEDC LS1 1.0Hz SCEDC \| LS2 1.0Hz SCEDC \| LS3 1.0Hz SCEDC Setra Systems Model 270 Barometer LDO 1.0Hz SCEDC
2011-01-06T19:40:00 (006) - 2011-03-22T17:47:00 (081)
Location Code	Instruments / Channels
40	L-22D HORIZONTAL,Geophone,SERCEL EP2 100.0Hz IRISDMC NCEDC \| EP3 100.0Hz IRISDMC NCEDC LP2 1.0Hz IRISDMC NCEDC \| LP3 1.0Hz IRISDMC NCEDC SP2 20.0Hz IRISDMC NCEDC \| SP3 20.0Hz IRISDMC NCEDC L-22D VERTICAL,Geophone,SERCEL EP1 100.0Hz IRISDMC NCEDC LP1 1.0Hz IRISDMC NCEDC SP1 20.0Hz IRISDMC NCEDC MODEL 270,Pressure,SETRA LDO 1.0Hz IRISDMC NCEDC Mark Products L-22 Horizontal Geophone EP2 100.0Hz SCEDC \| EP3 100.0Hz SCEDC LP2 1.0Hz SCEDC \| LP3 1.0Hz SCEDC SP2 20.0Hz SCEDC \| SP3 20.0Hz SCEDC Mark Products L-22 Vertical Geophone EP1 100.0Hz SCEDC LP1 1.0Hz SCEDC SP1 20.0Hz SCEDC SE TENSOR,Linear Strain,SACKS-EVERTSON BS1 20.0Hz IRISDMC NCEDC \| BS2 20.0Hz IRISDMC NCEDC \| BS3 20.0Hz IRISDMC NCEDC HS1 100.0Hz IRISDMC NCEDC \| HS2 100.0Hz IRISDMC NCEDC \| HS3 100.0Hz IRISDMC NCEDC LS1 1.0Hz IRISDMC NCEDC \| LS2 1.0Hz IRISDMC NCEDC \| LS3 1.0Hz IRISDMC NCEDC Sacks 3-component Tensor Strainmeter BS1 20.0Hz SCEDC \| BS2 20.0Hz SCEDC \| BS3 20.0Hz SCEDC HS1 100.0Hz SCEDC \| HS2 100.0Hz SCEDC \| HS3 100.0Hz SCEDC LS1 1.0Hz SCEDC \| LS2 1.0Hz SCEDC \| LS3 1.0Hz SCEDC Setra Systems Model 270 Barometer LDO 1.0Hz SCEDC
2011-01-06T19:40:00 (006) - 2011-08-16T21:24:37 (228)
Location Code	Instruments / Channels
40	CALIBRATIONINPUT,Calibration Input,UNKNOWN LCO 1.0Hz IRISDMC NCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz IRISDMC NCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz IRISDMC NCEDC CPULOADAVERAGE,Calibration Input,UNKNOWN LCP 1.0Hz IRISDMC NCEDC CPULoadAverage LCP 1.0Hz SCEDC CalibrationInput LCO 1.0Hz SCEDC ClockPhase LCE 1.0Hz SCEDC ClockQuality LCQ 1.0Hz SCEDC DATASTORAGEUSED,Calibration Input,UNKNOWN LCD 1.0Hz IRISDMC NCEDC DataStorageUsed LCD 1.0Hz SCEDC Humidity LII 1.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz IRISDMC NCEDC InputVoltage LEP 1.0Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN LEC 1.0Hz IRISDMC NCEDC SYSTEMHUMIDITY,System Humidity,UNKNOWN LII 1.0Hz IRISDMC NCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN LKI 1.0Hz IRISDMC NCEDC SystemCurrent LEC 1.0Hz SCEDC Temperature LKI 1.0Hz SCEDC

IRISDMC metadata changes:

Virtual network affiliations:

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

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The SAGE Facility is operated by EarthScope Consortium via funding from the National Science Foundation

11:34:44 v.22510d55