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Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

HERB 2001-09-18 2599-12-31

BK : HERB (2001-09-18 - 3000-01-01)

Network

BK

Map DOI

Station

HERB

Site Name

Caltrans Maintenance Yard, Hercules, CA, USA

Start

2001-09-18T23:44:00 (261)

End

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

Data Center

IRISDMC
NCEDC
SCEDC

Latitude

38.01239

Longitude

-122.262169
-122.26217

Elevation (m)

-18.0

Instruments

2026-09-03T20:00:00 (246) - 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
40	731A,Accelerometer,WILCOXON BN1 20.0Hz NCEDC \| BN2 20.0Hz NCEDC \| BN3 20.0Hz NCEDC CN1 500.0Hz NCEDC \| CN2 500.0Hz NCEDC \| CN3 500.0Hz NCEDC HN1 200.0Hz NCEDC \| HN2 200.0Hz NCEDC \| HN3 200.0Hz NCEDC Calibration Input ACQ 100.0Hz NCEDC Chksum Errors ACK 0.1Hz NCEDC Clock Lock Loss LCL 1.0Hz NCEDC Clock Phase LCE 1.0Hz NCEDC Clock Quality LCQ 1.0Hz NCEDC Clock Status ACE 1.0Hz NCEDC Comm Attempt Count ACA 0.1Hz NCEDC Comm Duty Cycle ADT 0.1Hz NCEDC Comm Efficiency ACF 0.1Hz NCEDC Comm Ok Count ACS 0.1Hz NCEDC Data Gap Count ADG 0.1Hz NCEDC Data Latency ADL 0.1Hz NCEDC Data Missing AMD 0.1Hz NCEDC Data Receive Rate ARD 0.1Hz NCEDC Data Sent Rate AWR 0.1Hz NCEDC Data Throughput ATH 0.1Hz NCEDC Dust Bits LED 1.0Hz NCEDC GS-11D HORIZONTAL,Geophone,GEOSPACE DP2 500.0Hz NCEDC \| DP3 500.0Hz NCEDC SP2 20.0Hz NCEDC \| SP3 20.0Hz NCEDC GS-11D VERTICAL,Geophone,GEOSPACE DP1 500.0Hz NCEDC SP1 20.0Hz NCEDC Gps Antenna Current VEA 0.1Hz NCEDC Gps Antenna Voltage VAX 0.1Hz NCEDC Gps Control Bits LEC 1.0Hz NCEDC Gps Elevation LEV 1.0Hz NCEDC Gps Fix Status LFT 1.0Hz NCEDC Gps Latitude LAT 1.0Hz NCEDC Gps Longitude LON 1.0Hz NCEDC Gps Sens Power Bits LEP 1.0Hz NCEDC Input Output 1 VEO 0.1Hz NCEDC Input Output 2 VG1 0.1Hz NCEDC Input Output 3 VG2 0.1Hz NCEDC Ip Change Count ANI 0.1Hz NCEDC Isolated Dc Voltage VEI 0.1Hz NCEDC Ll Data Latency ALL 0.1Hz NCEDC Log LOG 1.0Hz NCEDC Misc Bits LEM 1.0Hz NCEDC Negative Analog Voltage VEN 0.1Hz NCEDC Opaque Configuration File OCF 1.0Hz NCEDC Packet Buffer Usage VPB 0.1Hz NCEDC Packet Count APK 0.1Hz NCEDC Poc Count APO 0.1Hz NCEDC Reboot Count ABT 0.1Hz NCEDC Satellite Count LSU 1.0Hz NCEDC Sensor A Bits LEA 1.0Hz NCEDC Sensor A Current VCA 0.1Hz NCEDC Sensor B Bits LEB 1.0Hz NCEDC Sensor B Current VCB 0.1Hz NCEDC Sensor Serial Bits LES 1.0Hz NCEDC Seq Error Count ASQ 0.1Hz NCEDC Status Delay ASL 0.1Hz NCEDC System Current VEC 0.1Hz NCEDC System Humidity VI1 0.1Hz NCEDC System Temperature VKI 0.1Hz NCEDC System Voltage VEP 0.1Hz NCEDC Ups Voltage VEU 0.1Hz NCEDC Voltage Controlled Oscillator VCO 0.1Hz NCEDC
2015-07-16T17:30:00 (197) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
40	731A,Accelerometer,WILCOXON BN1 20.0Hz IRISDMC \| BN2 20.0Hz IRISDMC \| BN3 20.0Hz IRISDMC CN1 500.0Hz IRISDMC \| CN2 500.0Hz IRISDMC \| CN3 500.0Hz IRISDMC LN1 1.0Hz IRISDMC \| LN2 1.0Hz IRISDMC \| LN3 1.0Hz IRISDMC CALIBRATIONINPUT,Calibration Input,UNKNOWN LCO 1.0Hz IRISDMC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz IRISDMC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz IRISDMC CPULOADAVERAGE,Calibration Input,UNKNOWN LCP 1.0Hz IRISDMC DATASTORAGEUSED,Calibration Input,UNKNOWN LCD 1.0Hz IRISDMC GS-11D VERTICAL,Geophone,GEOSPACE DP1 500.0Hz IRISDMC LP1 1.0Hz IRISDMC SP1 20.0Hz IRISDMC INPUTVOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz IRISDMC SYSTEMCURRENT,System Current,UNKNOWN LEC 1.0Hz IRISDMC SYSTEMHUMIDITY,System Humidity,UNKNOWN LII 1.0Hz IRISDMC SYSTEMTEMPERATURE,System Temperature,UNKNOWN LKI 1.0Hz IRISDMC
2015-07-16T17:30:00 (197) - 2026-09-03T20:00:00 (246)
Location Code	Instruments / Channels
40	731A,Accelerometer,WILCOXON BN1 20.0Hz NCEDC \| BN2 20.0Hz NCEDC \| BN3 20.0Hz NCEDC CN1 500.0Hz NCEDC \| CN2 500.0Hz NCEDC \| CN3 500.0Hz NCEDC LN1 1.0Hz NCEDC \| LN2 1.0Hz NCEDC \| LN3 1.0Hz NCEDC CALIBRATIONINPUT,Calibration Input,UNKNOWN LCO 1.0Hz NCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz NCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz NCEDC CPULOADAVERAGE,Calibration Input,UNKNOWN LCP 1.0Hz NCEDC DATASTORAGEUSED,Calibration Input,UNKNOWN LCD 1.0Hz NCEDC GS-11D VERTICAL,Geophone,GEOSPACE DP1 500.0Hz NCEDC LP1 1.0Hz NCEDC SP1 20.0Hz NCEDC INPUTVOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz NCEDC SYSTEMCURRENT,System Current,UNKNOWN LEC 1.0Hz NCEDC SYSTEMHUMIDITY,System Humidity,UNKNOWN LII 1.0Hz NCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN LKI 1.0Hz NCEDC
2013-05-29T18:52:00 (149) - 2015-07-16T17:30:00 (197)
Location Code	Instruments / Channels
40	731A,Accelerometer,WILCOXON BN1 20.0Hz IRISDMC NCEDC \| BN2 20.0Hz IRISDMC NCEDC \| BN3 20.0Hz IRISDMC NCEDC CN1 500.0Hz IRISDMC NCEDC \| CN2 500.0Hz IRISDMC NCEDC \| CN3 500.0Hz IRISDMC NCEDC LN1 1.0Hz IRISDMC NCEDC \| LN2 1.0Hz IRISDMC NCEDC \| LN3 1.0Hz IRISDMC NCEDC 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 DATASTORAGEUSED,Calibration Input,UNKNOWN LCD 1.0Hz IRISDMC NCEDC GS-11D VERTICAL,Geophone,GEOSPACE DP1 500.0Hz IRISDMC NCEDC LP1 1.0Hz IRISDMC NCEDC SP1 20.0Hz IRISDMC NCEDC INPUTVOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz IRISDMC NCEDC 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
2013-05-29T18:52:00 (149) - 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
40	731A BN1 20.0Hz SCEDC \| BN2 20.0Hz SCEDC \| BN3 20.0Hz SCEDC CN1 500.0Hz SCEDC \| CN2 500.0Hz SCEDC \| CN3 500.0Hz SCEDC LN1 1.0Hz SCEDC \| LN2 1.0Hz SCEDC \| LN3 1.0Hz SCEDC CALIBRATIONINPUT LCO 1.0Hz SCEDC CLOCKPHASE LCE 1.0Hz SCEDC CLOCKQUALITY LCQ 1.0Hz SCEDC CPULOADAVERAGE LCP 1.0Hz SCEDC DATASTORAGEUSED LCD 1.0Hz SCEDC GS-11D VERTICAL DP1 500.0Hz SCEDC LP1 1.0Hz SCEDC SP1 20.0Hz SCEDC INPUTVOLTAGE LEP 1.0Hz SCEDC SYSTEMCURRENT LEC 1.0Hz SCEDC SYSTEMHUMIDITY LII 1.0Hz SCEDC SYSTEMTEMPERATURE 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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EarthScope Consortium operates the NSF National Geophysical Facility (NSF NGF). Any opinions, findings and conclusions, or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.

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