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Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

SAO 1988-01-28 2015-06-04

BK : SAO (1988-01-28 - 2599-12-31)

Network

Map DOI

Station

SAO

Map

Site Name

San Andreas Geophysical Obs., Hollister, CA, USA

Start

2014-05-01T18:20:00 (121)
1988-01-28T00:00:00 (028)

End

2015-06-04T00:10:00 (155)
2599-12-31T23:59:59 (365)

Data Center

IRISDMC
NCEDC
SCEDC

Latitude

36.76403

Longitude

-121.44722

Elevation (m)

317.2

Instruments

2025-03-05T15:50:00 (064) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
00	Clock Phase LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC Clock Quality LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC Gps Antenna Current VEA 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC STS-7,Mass Position Seismometer,STRECKEISEN VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STS-7,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC \| BHZ 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC \| HHZ 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC \| LHZ 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC \| VHZ 0.1Hz SCEDC System Current VEC 0.1Hz SCEDC System Temperature VKI 0.1Hz SCEDC System Voltage VEP 0.1Hz SCEDC Voltage Controlled Oscillator VCO 0.1Hz SCEDC
2019-09-17T20:11:00 (260) - 2025-03-05T15:50:00 (064)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump VTW 0.1Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz SCEDC
2017-07-12T03:37:00 (193) - 2019-09-17T20:11:00 (260)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz SCEDC
2015-06-04T00:10:00 (155) - 2017-07-12T03:37:00 (193)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz SCEDC
2014-05-01T18:20:00 (121) - 2015-06-04T00:10:00 (155)
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 EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC SCEDC \| HNN 100.0Hz IRISDMC NCEDC SCEDC \| HNZ 100.0Hz IRISDMC NCEDC SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz IRISDMC NCEDC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC NCEDC SCEDC Pump LTW 1.0Hz IRISDMC NCEDC SCEDC 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 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
2012-10-16T21:00:00 (290) - 2014-05-01T18:20:00 (121)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz SCEDC
2012-09-18T21:40:00 (262) - 2012-10-16T21:00:00 (290)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz SCEDC
2010-05-20T20:00:00 (140) - 2012-09-18T21:40:00 (262)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz SCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz SCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz SCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz SCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz 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
_US-REF	USArray Reference Network stations
_US-REGIONAL	US Regional Networks
_STS-1	Stations Operating STS-1 sensors
_US-ALL	All USArray (EarthScope) stations