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Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (5 time spans)

BKS 1993-12-13 2599-12-31

BKS 1991-08-20 1993-12-13

BKS 1987-05-05 1991-03-09

BKS 1987-05-05 2599-12-31

BKS 1987-01-01 1987-02-01

BK : BKS (1993-12-13 - 3000-01-01)

Network

Map DOI

Station

BKS

Map

Site Name

Byerly Seismographic Vault, Berkeley, CA, USA

Start

1993-12-13T23:54:00 (347)

End

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

Data Center

IRISDMC
NCEDC

Latitude

37.876221

Longitude

-122.23558

Elevation (m)

243.9

Instruments

2026-10-13T19:00:00 (286) - 2599-12-31T23:59:59 (365) 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
00	Clock Lock Loss GST 0.0167Hz IRISDMC NCEDC Clock Phase LCE 0.0167Hz IRISDMC NCEDC Clock Phase Lock GPL 0.0167Hz IRISDMC NCEDC Clock Quality LCQ 0.0167Hz IRISDMC NCEDC Gps Antenna Status GAN 0.0167Hz IRISDMC NCEDC Gps Elevation GEL 0.0167Hz IRISDMC NCEDC Gps Latitude GLA 0.0167Hz IRISDMC NCEDC Gps Longitude GLO 0.0167Hz IRISDMC NCEDC Packet Buffer Usage VPB 0.03Hz IRISDMC NCEDC Satellite Count GNS 0.0167Hz IRISDMC NCEDC System Current VEC 0.0167Hz IRISDMC NCEDC System Temperature VDT 0.0167Hz IRISDMC NCEDC System Voltage VEI 0.0167Hz IRISDMC NCEDC TITAN,Accelerometer,NANOMETRICS HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC TRILLIUM 360,Mass Position Seismometer,NANOMETRICS VM1 0.0167Hz IRISDMC NCEDC \| VM2 0.0167Hz IRISDMC NCEDC \| VM3 0.0167Hz IRISDMC NCEDC TRILLIUM 360,Velocity Sensor,NANOMETRICS BHE 40.0Hz IRISDMC NCEDC \| BHN 40.0Hz IRISDMC NCEDC \| BHZ 40.0Hz IRISDMC NCEDC HHE 100.0Hz IRISDMC NCEDC \| HHN 100.0Hz IRISDMC NCEDC \| HHZ 100.0Hz IRISDMC NCEDC Voltage Controlled Oscillator VCO 0.0167Hz IRISDMC NCEDC
S0	TITAN,Accelerometer,NANOMETRICS HNE 200.0Hz IRISDMC NCEDC \| HNN 200.0Hz IRISDMC NCEDC \| HNZ 200.0Hz IRISDMC NCEDC
2019-09-13T21:49:00 (256) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	Pump VTW 0.1Hz IRISDMC NCEDC
EP	CALIBRATIONINPUT,Calibration Input,UNKNOWN LCO 1.0Hz IRISDMC NCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz IRISDMC NCEDC INPUTVOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz IRISDMC NCEDC MODEL 270,Pressure,SETRA LDS 1.0Hz IRISDMC NCEDC SYSTEMHUMIDITY,Humidity,UNKNOWN LIM 1.0Hz IRISDMC NCEDC SYSTEMPRESSURE,Pressure,UNKNOWN LDM 1.0Hz IRISDMC NCEDC SYSTEMTEMPERATURE,Temperature,UNKNOWN LKM 1.0Hz IRISDMC NCEDC
2014-10-03T17:49:00 (276) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC
2013-12-18T20:50:00 (352) - 2014-10-03T17:49:00 (276)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC
2013-11-25T22:47:00 (329) - 2013-12-18T20:50:00 (352)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC
2011-03-02T20:00:00 (061) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC \| BHN 40.0Hz IRISDMC NCEDC HHE 100.0Hz IRISDMC NCEDC \| HHN 100.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz IRISDMC NCEDC HHZ 100.0Hz IRISDMC NCEDC LHZ 1.0Hz IRISDMC NCEDC VHZ 0.1Hz IRISDMC NCEDC
2011-02-25T22:00:00 (056) - 2011-03-02T20:00:00 (061)
Location Code	Instruments / Channels
00	STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC \| BHN 40.0Hz IRISDMC NCEDC HHE 100.0Hz IRISDMC NCEDC \| HHN 100.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz IRISDMC NCEDC HHZ 100.0Hz IRISDMC NCEDC LHZ 1.0Hz IRISDMC NCEDC VHZ 0.1Hz IRISDMC NCEDC
2011-02-25T22:00:00 (056) - 2013-11-25T22:47:00 (329)
Location Code	Instruments / Channels
00	EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC
2011-02-25T22:00:00 (056) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	ANTENNACURRENT,Antenna Current,UNKNOWN VEA 0.1Hz IRISDMC NCEDC CLOCKPHASE,Clock Phase,UNKNOWN LCE 1.0Hz IRISDMC NCEDC VCE 0.1Hz IRISDMC NCEDC CLOCKQUALITY,Clock Quality,UNKNOWN LCQ 1.0Hz IRISDMC NCEDC VCQ 0.1Hz IRISDMC NCEDC INPUTVOLTAGE,System Voltage,UNKNOWN VEP 0.1Hz IRISDMC NCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC NCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE VME 0.1Hz IRISDMC NCEDC \| VMN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS VMZ 0.1Hz IRISDMC NCEDC SYSTEMCURRENT,System Current,UNKNOWN VEC 0.1Hz IRISDMC NCEDC SYSTEMTEMPERATURE,System Temperature,UNKNOWN VKI 0.1Hz IRISDMC NCEDC VCOVALUE,Voltage Controlled Oscillator,UNKNOWN VCO 0.1Hz IRISDMC NCEDC
2011-02-25T22:00:00 (056) - 2019-09-13T21:49:00 (256)
Location Code	Instruments / Channels
00	Pump LTW 1.0Hz IRISDMC NCEDC
2004-06-15T00:00:00 (167) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	FBA-23,Accelerometer,KINEMETRICS BLE 40.0Hz IRISDMC NCEDC \| BLN 40.0Hz IRISDMC NCEDC \| BLZ 40.0Hz IRISDMC NCEDC INTERNAL TEMPERATURE,Temperature,UNKNOWN UK2 0.01Hz IRISDMC NCEDC MPX201,Pressure,MOTOROLA LDS 1.0Hz IRISDMC NCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 40.0Hz IRISDMC NCEDC \| BHN 40.0Hz IRISDMC NCEDC HHE 80.0Hz IRISDMC NCEDC \| HHN 80.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC UHE 0.01Hz IRISDMC NCEDC \| UHN 0.01Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 40.0Hz IRISDMC NCEDC YSI-44031,Temperature,YSI LKS 1.0Hz IRISDMC NCEDC
2002-01-22T22:30:00 (022) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	INTERNAL TEMPERATURE,Temperature,UNKNOWN UK2 0.01Hz IRISDMC NCEDC MPX201,Pressure,MOTOROLA LDS 1.0Hz IRISDMC NCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHN 20.0Hz IRISDMC NCEDC HHN 80.0Hz IRISDMC NCEDC LHN 1.0Hz IRISDMC NCEDC UHN 0.01Hz IRISDMC NCEDC VHN 0.1Hz IRISDMC NCEDC YSI-44031,Temperature,YSI LKS 1.0Hz IRISDMC NCEDC
2002-01-22T22:30:00 (022) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE UMN 0.01Hz IRISDMC NCEDC
2001-06-01T00:00:00 (152) - 2002-01-22T22:30:00 (022)
Location Code	Instruments / Channels
--	INTERNAL TEMPERATURE,Temperature,UNKNOWN UK2 0.01Hz IRISDMC NCEDC MPX201,Pressure,MOTOROLA LDS 1.0Hz IRISDMC NCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE UMN 0.01Hz IRISDMC NCEDC YSI-44031,Temperature,YSI LKS 1.0Hz IRISDMC NCEDC
2001-06-01T00:00:00 (152) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	BATTERY VOLTAGE,Electronic Test Point,UNKNOWN UEP 0.01Hz IRISDMC NCEDC BATTERY VOLTAGE,System Voltage,UNKNOWN LEP 1.0Hz IRISDMC NCEDC Clock Drift UCD 0.01Hz IRISDMC NCEDC Clock Quality UCQ 0.01Hz IRISDMC NCEDC Free Packets 1 UF1 0.01Hz IRISDMC NCEDC Free Packets 2 UF2 0.01Hz IRISDMC NCEDC Free Packets 3 UF3 0.01Hz IRISDMC NCEDC Frequency Control UFC 0.01Hz IRISDMC NCEDC STS-1 HORIZONTAL,Mass Position Seismometer,STRECKE UME 0.01Hz IRISDMC NCEDC STS-1 VERTICAL,Mass Position Seismometer,STRECKEIS UMZ 0.01Hz IRISDMC NCEDC
1998-02-18T16:47:00 (049) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 20.0Hz IRISDMC NCEDC HHE 80.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC UHE 0.01Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC
1998-02-18T16:47:00 (049) - 2002-01-22T22:30:00 (022)
Location Code	Instruments / Channels
--	STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHN 20.0Hz IRISDMC NCEDC HHN 80.0Hz IRISDMC NCEDC LHN 1.0Hz IRISDMC NCEDC UHN 0.01Hz IRISDMC NCEDC VHN 0.1Hz IRISDMC NCEDC
1998-02-18T16:47:00 (049) - 2001-06-01T00:00:00 (152)
Location Code	Instruments / Channels
--	MPX201,Pressure,MOTOROLA LDS 1.0Hz IRISDMC NCEDC YSI-44031,Temperature,YSI LKS 1.0Hz IRISDMC NCEDC
1993-12-13T23:54:00 (347) - 1998-02-18T16:47:00 (049)
Location Code	Instruments / Channels
--	STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 20.0Hz IRISDMC NCEDC \| BHN 20.0Hz IRISDMC NCEDC HHE 80.0Hz IRISDMC NCEDC \| HHN 80.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC UHE 0.01Hz IRISDMC NCEDC \| UHN 0.01Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC
1993-12-13T23:54:00 (347) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	FBA-23,Accelerometer,KINEMETRICS BLE 20.0Hz IRISDMC NCEDC \| BLN 20.0Hz IRISDMC NCEDC \| BLZ 20.0Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 20.0Hz IRISDMC NCEDC
1993-12-13T23:54:00 (347) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	FBA-23,Accelerometer,KINEMETRICS HLE 80.0Hz IRISDMC NCEDC \| HLN 80.0Hz IRISDMC NCEDC \| HLZ 80.0Hz IRISDMC NCEDC LLE 1.0Hz IRISDMC NCEDC \| LLN 1.0Hz IRISDMC NCEDC \| LLZ 1.0Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN HHZ 80.0Hz IRISDMC NCEDC LHZ 1.0Hz IRISDMC NCEDC UHZ 0.01Hz IRISDMC NCEDC VHZ 0.1Hz IRISDMC NCEDC

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_STS-1	Stations Operating STS-1 sensors
_US-REGIONAL	US Regional Networks

BK : BKS (1991-08-20 - 1993-12-13)

Network

Map DOI

Station

BKS

Map

Site Name

Byerly Seismographic Vault, Berkeley, CA, USA

Start

1991-08-20T18:20:00 (232)

End

1993-12-13T17:01:00 (347)

Data Center

IRISDMC
NCEDC

Latitude

37.876221

Longitude

-122.23558

Elevation (m)

243.9

Instruments

1993-12-03T23:10:00 (337) - 1993-12-13T17:01:00 (347)
Location Code	Instruments / Channels
--	FBA-23,Accelerometer,KINEMETRICS BLE 20.0Hz IRISDMC NCEDC \| BLN 20.0Hz IRISDMC NCEDC \| BLZ 20.0Hz IRISDMC NCEDC HLE 80.0Hz IRISDMC NCEDC \| HLN 80.0Hz IRISDMC NCEDC \| HLZ 80.0Hz IRISDMC NCEDC LLE 1.0Hz IRISDMC NCEDC \| LLN 1.0Hz IRISDMC NCEDC \| LLZ 1.0Hz IRISDMC NCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 20.0Hz IRISDMC NCEDC \| BHN 20.0Hz IRISDMC NCEDC HHE 80.0Hz IRISDMC NCEDC \| HHN 80.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC UHE 0.01Hz IRISDMC NCEDC \| UHN 0.01Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 20.0Hz IRISDMC NCEDC HHZ 80.0Hz IRISDMC NCEDC LHZ 1.0Hz IRISDMC NCEDC UHZ 0.01Hz IRISDMC NCEDC VHZ 0.1Hz IRISDMC NCEDC
1991-08-20T18:20:00 (232) - 1993-12-03T23:10:00 (337)
Location Code	Instruments / Channels
--	FBA-23,Accelerometer,KINEMETRICS BLE 20.0Hz IRISDMC NCEDC \| BLN 20.0Hz IRISDMC NCEDC \| BLZ 20.0Hz IRISDMC NCEDC HLE 80.0Hz IRISDMC NCEDC \| HLN 80.0Hz IRISDMC NCEDC \| HLZ 80.0Hz IRISDMC NCEDC LLE 1.0Hz IRISDMC NCEDC \| LLN 1.0Hz IRISDMC NCEDC \| LLZ 1.0Hz IRISDMC NCEDC STS-1 HORIZONTAL,Velocity Sensor,STRECKEISEN BHE 20.0Hz IRISDMC NCEDC \| BHN 20.0Hz IRISDMC NCEDC HHE 80.0Hz IRISDMC NCEDC \| HHN 80.0Hz IRISDMC NCEDC LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC UHE 0.01Hz IRISDMC NCEDC \| UHN 0.01Hz IRISDMC NCEDC VHE 0.1Hz IRISDMC NCEDC \| VHN 0.1Hz IRISDMC NCEDC STS-1 VERTICAL,Velocity Sensor,STRECKEISEN BHZ 20.0Hz IRISDMC NCEDC HHZ 80.0Hz IRISDMC NCEDC LHZ 1.0Hz IRISDMC NCEDC UHZ 0.01Hz IRISDMC NCEDC VHZ 0.1Hz IRISDMC NCEDC

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_STS-1	Stations Operating STS-1 sensors
_US-REGIONAL	US Regional Networks

BK : BKS (1987-05-05 - 1991-03-11)

Network

Map DOI

Station

BKS

Map

Site Name

Byerly Seismographic Vault, Berkeley, CA, USA

Start

1987-05-05T00:00:00 (125)

End

1991-03-09T00:00:00 (068)
1991-03-11T00:00:00 (070)

Data Center

IRISDMC
NCEDC

Latitude

37.876221

Longitude

-122.23558

Elevation (m)

243.9

Instruments

1988-01-28T22:01:00 (028) - 1991-03-11T00:00:00 (070)
Location Code	Instruments / Channels
--	S-5100-H HORIZONTAL,Velocity Sensor,SPRENGNETHER BH2 20.0Hz IRISDMC NCEDC \| BH3 20.0Hz IRISDMC NCEDC LH2 1.0Hz IRISDMC NCEDC \| LH3 1.0Hz IRISDMC NCEDC S-5100-V VERTICAL,Velocity Sensor,SPRENGNETHER BH1 20.0Hz IRISDMC NCEDC LH1 1.0Hz IRISDMC NCEDC SHZ 40.0Hz IRISDMC NCEDC
1988-01-14T20:01:00 (014) - 1988-01-28T22:01:00 (028)
Location Code	Instruments / Channels
--	S-5100-H HORIZONTAL,Velocity Sensor,SPRENGNETHER BH2 20.0Hz IRISDMC NCEDC \| BH3 20.0Hz IRISDMC NCEDC LH2 1.0Hz IRISDMC NCEDC \| LH3 1.0Hz IRISDMC NCEDC S-5100-V VERTICAL,Velocity Sensor,SPRENGNETHER BH1 20.0Hz IRISDMC NCEDC LH1 1.0Hz IRISDMC NCEDC SHZ 40.0Hz IRISDMC NCEDC
1987-05-05T00:00:00 (125) - 1988-01-14T20:01:00 (014)
Location Code	Instruments / Channels
--	S-5100-H HORIZONTAL,Velocity Sensor,SPRENGNETHER BH2 20.0Hz IRISDMC NCEDC \| BH3 20.0Hz IRISDMC NCEDC LH2 1.0Hz IRISDMC NCEDC \| LH3 1.0Hz IRISDMC NCEDC S-5100-V VERTICAL,Velocity Sensor,SPRENGNETHER BH1 20.0Hz IRISDMC NCEDC LH1 1.0Hz IRISDMC NCEDC

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_STS-1	Stations Operating STS-1 sensors
_US-REGIONAL	US Regional Networks

BK : BKS (1987-05-05 - 2599-12-31)

Network

Map DOI

Station

BKS

Map

Site Name

Byerly Seismographic Vault, Berkeley, CA, USA

Start

1987-05-05T00:00:00 (125)

End

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

Data Center

SCEDC

Latitude

37.876221

Longitude

-122.23558

Elevation (m)

243.9

Instruments

2026-10-13T19:00:00 (286) - 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
00	Clock Lock Loss GST 0.0167Hz SCEDC Clock Phase LCE 0.0167Hz SCEDC Clock Phase Lock GPL 0.0167Hz SCEDC Clock Quality LCQ 0.0167Hz SCEDC Gps Antenna Status GAN 0.0167Hz SCEDC Gps Elevation GEL 0.0167Hz SCEDC Gps Latitude GLA 0.0167Hz SCEDC Gps Longitude GLO 0.0167Hz SCEDC NANOMETRICS TITAN S/N:3474 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC NANOMETRICS TRILLIUM 360 S/N:252 Velocity Sensor BHE 40.0Hz SCEDC \| BHN 40.0Hz SCEDC \| BHZ 40.0Hz SCEDC HHE 100.0Hz SCEDC \| HHN 100.0Hz SCEDC \| HHZ 100.0Hz SCEDC Packet Buffer Usage VPB 0.03Hz SCEDC Satellite Count GNS 0.0167Hz SCEDC System Current VEC 0.0167Hz SCEDC System Temperature VDT 0.0167Hz SCEDC System Voltage VEI 0.0167Hz SCEDC Voltage Controlled Oscillator VCO 0.0167Hz SCEDC
S0	NANOMETRICS TITAN S/N:3474 Accelerometer HNE 200.0Hz SCEDC \| HNN 200.0Hz SCEDC \| HNZ 200.0Hz SCEDC
2019-09-13T21:49:00 (256) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	Pump VTW 0.1Hz SCEDC
EP	UNKNOWN CALIBRATIONINPUT S/N:QEP-1B_LCO Calibration Input LCO 1.0Hz SCEDC UNKNOWN CLOCKPHASE S/N:QEP-1B_LCE Clock Phase LCE 1.0Hz SCEDC UNKNOWN INPUTVOLTAGE S/N:QEP-1B_LEP System Voltage LEP 1.0Hz SCEDC
2014-10-03T17:49:00 (276) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	KINEMETRICS EPISENSOR ES-T S/N:5547 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC
2013-12-18T20:50:00 (352) - 2014-10-03T17:49:00 (276)
Location Code	Instruments / Channels
00	KINEMETRICS EPISENSOR ES-T S/N:5547 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC
2013-11-25T22:47:00 (329) - 2013-12-18T20:50:00 (352)
Location Code	Instruments / Channels
00	KINEMETRICS EPISENSOR ES-T S/N:5547 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC
2011-03-02T20:00:00 (061) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	STRECKEISEN STS-1 HORIZONTAL S/N:29220_E300-STS1-120-198 Velocity Sens BHN 40.0Hz SCEDC HHN 100.0Hz SCEDC LHN 1.0Hz SCEDC VHN 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531_E300-STS1-120-198 Velocity Sens BHE 40.0Hz SCEDC HHE 100.0Hz SCEDC LHE 1.0Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505_E300-STS1-120-198 Velocity Sensor BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC
2011-02-25T22:00:00 (056) - 2011-03-02T20:00:00 (061)
Location Code	Instruments / Channels
00	STRECKEISEN STS-1 HORIZONTAL S/N:29220_E300-STS1-120-198 Velocity Sens BHN 40.0Hz SCEDC HHN 100.0Hz SCEDC LHN 1.0Hz SCEDC VHN 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531_E300-STS1-120-198 Velocity Sens BHE 40.0Hz SCEDC HHE 100.0Hz SCEDC LHE 1.0Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505_E300-STS1-120-198 Velocity Sensor BHZ 40.0Hz SCEDC HHZ 100.0Hz SCEDC LHZ 1.0Hz SCEDC VHZ 0.1Hz SCEDC
2011-02-25T22:00:00 (056) - 2013-11-25T22:47:00 (329)
Location Code	Instruments / Channels
00	KINEMETRICS EPISENSOR ES-T S/N:3777 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC
2011-02-25T22:00:00 (056) - 2026-10-13T19:00:00 (286)
Location Code	Instruments / Channels
00	Packet Buffer Usage VFP 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:29220_E300-STS1-120-198 Mass Position VMN 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531_E300-STS1-120-198 Mass Position VME 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505_E300-STS1-120-198 Mass Position S VMZ 0.1Hz SCEDC UNKNOWN ANTENNACURRENT S/N:4007_VEA Antenna Current VEA 0.1Hz SCEDC UNKNOWN CLOCKPHASE S/N:4007_LCE Clock Phase LCE 1.0Hz SCEDC VCE 0.1Hz SCEDC UNKNOWN CLOCKQUALITY S/N:4007_LCQ Clock Quality LCQ 1.0Hz SCEDC VCQ 0.1Hz SCEDC UNKNOWN INPUTVOLTAGE S/N:4007_VEP System Voltage VEP 0.1Hz SCEDC UNKNOWN SYSTEMCURRENT S/N:4007_VEC System Current VEC 0.1Hz SCEDC UNKNOWN SYSTEMTEMPERATURE S/N:4007_VKI System Temperature VKI 0.1Hz SCEDC UNKNOWN VCOVALUE S/N:4007_VCO Voltage Controlled Oscillator VCO 0.1Hz SCEDC
2011-02-25T22:00:00 (056) - 2019-09-13T21:49:00 (256)
Location Code	Instruments / Channels
00	Pump LTW 1.0Hz SCEDC
2004-06-15T00:00:00 (167) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	KINEMETRICS FBA-23 S/N:26554 Accelerometer BLE 40.0Hz SCEDC \| BLN 40.0Hz SCEDC \| BLZ 40.0Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:29220 Velocity Sensor BHN 40.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531 Velocity Sensor BHE 40.0Hz SCEDC HHE 80.0Hz SCEDC LHE 1.0Hz SCEDC UHE 0.01Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Velocity Sensor BHZ 40.0Hz SCEDC
2002-01-22T22:30:00 (022) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:29220 Velocity Sensor BHN 20.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC
2002-01-22T22:30:00 (022) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:29220 Mass Position Seismometer UMN 0.01Hz SCEDC
2001-06-01T00:00:00 (152) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	Clock Drift UCD 0.01Hz SCEDC Clock Quality UCQ 0.01Hz SCEDC Free Packets 1 UF1 0.01Hz SCEDC Free Packets 2 UF2 0.01Hz SCEDC Free Packets 3 UF3 0.01Hz SCEDC Frequency Control UFC 0.01Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531 Mass Position Seismometer UME 0.01Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Mass Position Seismometer UMZ 0.01Hz SCEDC UNKNOWN BATTERY VOLTAGE S/N:921213-EP Electronic Test Point UEP 0.01Hz SCEDC UNKNOWN BATTERY VOLTAGE S/N:921213-EP System Voltage LEP 1.0Hz SCEDC
2001-06-01T00:00:00 (152) - 2002-01-22T22:30:00 (022)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:48530 Mass Position Seismometer UMN 0.01Hz SCEDC
1998-02-18T16:47:00 (049) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:48531 Velocity Sensor BHE 20.0Hz SCEDC HHE 80.0Hz SCEDC LHE 1.0Hz SCEDC UHE 0.01Hz SCEDC VHE 0.1Hz SCEDC
1998-02-18T16:47:00 (049) - 2002-01-22T22:30:00 (022)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:48530 Velocity Sensor BHN 20.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC
1993-12-13T23:54:00 (347) - 1998-02-18T16:47:00 (049)
Location Code	Instruments / Channels
--	STRECKEISEN STS-1 HORIZONTAL S/N:48530 Velocity Sensor BHE 20.0Hz SCEDC HHE 80.0Hz SCEDC LHE 1.0Hz SCEDC UHE 0.01Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531 Velocity Sensor BHN 20.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC
1993-12-13T23:54:00 (347) - 2004-06-15T00:00:00 (167)
Location Code	Instruments / Channels
--	KINEMETRICS FBA-23 S/N:26554 Accelerometer BLE 20.0Hz SCEDC \| BLN 20.0Hz SCEDC \| BLZ 20.0Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Velocity Sensor BHZ 20.0Hz SCEDC
1993-12-13T23:54:00 (347) - 2011-02-25T22:00:00 (056)
Location Code	Instruments / Channels
--	KINEMETRICS FBA-23 S/N:26554 Accelerometer HLE 80.0Hz SCEDC \| HLN 80.0Hz SCEDC \| HLZ 80.0Hz SCEDC LLE 1.0Hz SCEDC \| LLN 1.0Hz SCEDC \| LLZ 1.0Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Velocity Sensor HHZ 80.0Hz SCEDC LHZ 1.0Hz SCEDC UHZ 0.01Hz SCEDC VHZ 0.1Hz SCEDC
1993-12-03T23:10:00 (337) - 1993-12-13T17:01:00 (347)
Location Code	Instruments / Channels
--	KINEMETRICS FBA-23 S/N:26554 Accelerometer BLE 20.0Hz SCEDC \| BLN 20.0Hz SCEDC \| BLZ 20.0Hz SCEDC HLE 80.0Hz SCEDC \| HLN 80.0Hz SCEDC \| HLZ 80.0Hz SCEDC LLE 1.0Hz SCEDC \| LLN 1.0Hz SCEDC \| LLZ 1.0Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48530 Velocity Sensor BHE 20.0Hz SCEDC HHE 80.0Hz SCEDC LHE 1.0Hz SCEDC UHE 0.01Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531 Velocity Sensor BHN 20.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Velocity Sensor BHZ 20.0Hz SCEDC HHZ 80.0Hz SCEDC LHZ 1.0Hz SCEDC UHZ 0.01Hz SCEDC VHZ 0.1Hz SCEDC
1991-08-20T18:20:00 (232) - 1993-12-03T23:10:00 (337)
Location Code	Instruments / Channels
--	KINEMETRICS FBA-23 S/N:26554 Accelerometer BLE 20.0Hz SCEDC \| BLN 20.0Hz SCEDC \| BLZ 20.0Hz SCEDC HLE 80.0Hz SCEDC \| HLN 80.0Hz SCEDC \| HLZ 80.0Hz SCEDC LLE 1.0Hz SCEDC \| LLN 1.0Hz SCEDC \| LLZ 1.0Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48530 Velocity Sensor BHE 20.0Hz SCEDC HHE 80.0Hz SCEDC LHE 1.0Hz SCEDC UHE 0.01Hz SCEDC VHE 0.1Hz SCEDC STRECKEISEN STS-1 HORIZONTAL S/N:48531 Velocity Sensor BHN 20.0Hz SCEDC HHN 80.0Hz SCEDC LHN 1.0Hz SCEDC UHN 0.01Hz SCEDC VHN 0.1Hz SCEDC STRECKEISEN STS-1 VERTICAL S/N:38505 Velocity Sensor BHZ 20.0Hz SCEDC HHZ 80.0Hz SCEDC LHZ 1.0Hz SCEDC UHZ 0.01Hz SCEDC VHZ 0.1Hz SCEDC
1988-01-28T22:01:00 (028) - 1991-03-11T00:00:00 (070)
Location Code	Instruments / Channels
--	SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NE-5100 Velocity Sensor BH3 20.0Hz SCEDC LH3 1.0Hz SCEDC SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NW-5100 Velocity Sensor BH2 20.0Hz SCEDC LH2 1.0Hz SCEDC SPRENGNETHER S-5100-V VERTICAL S/N:BKS-ULP-Z-5100 Velocity Sensor BH1 20.0Hz SCEDC LH1 1.0Hz SCEDC SHZ 40.0Hz SCEDC
1988-01-14T20:01:00 (014) - 1988-01-28T22:01:00 (028)
Location Code	Instruments / Channels
--	SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NE-5100 Velocity Sensor BH3 20.0Hz SCEDC LH3 1.0Hz SCEDC SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NW-5100 Velocity Sensor BH2 20.0Hz SCEDC LH2 1.0Hz SCEDC SPRENGNETHER S-5100-V VERTICAL S/N:BKS-ULP-Z-5100 Velocity Sensor BH1 20.0Hz SCEDC LH1 1.0Hz SCEDC SHZ 40.0Hz SCEDC
1987-05-05T00:00:00 (125) - 1988-01-14T20:01:00 (014)
Location Code	Instruments / Channels
--	SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NE-5100 Velocity Sensor BH3 20.0Hz SCEDC LH3 1.0Hz SCEDC SPRENGNETHER S-5100-H HORIZONTAL S/N:BKS-ULP-NW-5100 Velocity Sensor BH2 20.0Hz SCEDC LH2 1.0Hz SCEDC SPRENGNETHER S-5100-V VERTICAL S/N:BKS-ULP-Z-5100 Velocity Sensor BH1 20.0Hz SCEDC LH1 1.0Hz SCEDC

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_STS-1	Stations Operating STS-1 sensors
_US-REGIONAL	US Regional Networks

BK : BKS (1987-01-01 - 1987-02-01)

Network

Map DOI

Station

BKS

Map

Site Name

Byerly Seismographic Vault, Berkeley, CA, USA

Start

1987-01-01T00:00:00 (001)

End

1987-02-01T00:00:00 (032)

Data Center

NCEDC

Latitude

37.876221

Longitude

-122.23558

Elevation (m)

243.9

Instruments

1987-01-01T00:00:00 (001) - 1987-01-02T00:00:00 (002)
Location Code	Instruments / Channels
--	S-5007-H HORIZONTAL,Velocity Sensor,SPRENGNETHER BHE 20.0Hz NCEDC \| BHN 20.0Hz NCEDC S-5007-V VERTICAL,Velocity Sensor,SPRENGNETHER BHZ 20.0Hz NCEDC

Virtual network affiliations:

Name	Description
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_STS-1	Stations Operating STS-1 sensors
_US-REGIONAL	US Regional Networks