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Networks (1 time spans)

CI 1926-01-01 2599-12-31

Station Epochs (1 time spans)

NOT 1995-10-05 2599-12-31

CI : NOT (1995-10-05 - 2599-12-31)

Network

Map DOI

Station

NOT

Map

Site Name

Northridge

Start

1995-10-05T00:00:00 (278)

End

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

Data Center

IRISDMC
SCEDC

Latitude

34.22869

Longitude

-118.55829

Elevation (m)

247.524582
247.5

Instruments

2025-05-07T17:57:00 (127) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC LNE 1.0Hz IRISDMC \| LNN 1.0Hz IRISDMC \| LNZ 1.0Hz IRISDMC Calibration Input ACQ 100.0Hz IRISDMC SCEDC Chksum Errors ACK 0.1Hz IRISDMC SCEDC Clock Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC Clock Status ACE 1.0Hz IRISDMC SCEDC Comm Attempt Count ACA 0.1Hz IRISDMC SCEDC Comm Duty Cycle ADT 0.1Hz IRISDMC SCEDC Comm Efficiency ACF 0.1Hz IRISDMC SCEDC Comm Ok Count ACS 0.1Hz IRISDMC SCEDC Data Gap Count ADG 0.1Hz IRISDMC SCEDC Data Latency ADL 0.1Hz IRISDMC SCEDC Data Missing AMD 0.1Hz IRISDMC SCEDC Data Receive Rate ARD 0.1Hz IRISDMC SCEDC Data Sent Rate AWR 0.1Hz IRISDMC SCEDC Data Throughput ATH 0.1Hz IRISDMC SCEDC Dust Bits LED 1.0Hz IRISDMC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC Gps Antenna Voltage VAX 0.1Hz IRISDMC SCEDC Gps Control Bits LEC 1.0Hz IRISDMC SCEDC Gps Elevation LEV 1.0Hz IRISDMC SCEDC Gps Fix Status LFT 1.0Hz IRISDMC SCEDC Gps Latitude LAT 1.0Hz IRISDMC SCEDC Gps Longitude LON 1.0Hz IRISDMC SCEDC Gps Sens Power Bits LEP 1.0Hz IRISDMC SCEDC Input Output 1 VEO 0.1Hz IRISDMC SCEDC Input Output 2 VG1 0.1Hz IRISDMC SCEDC Input Output 3 VG2 0.1Hz IRISDMC SCEDC Ip Change Count ANI 0.1Hz IRISDMC SCEDC Isolated Dc Voltage VEI 0.1Hz IRISDMC SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC Ll Data Latency ALL 0.1Hz IRISDMC SCEDC Log LOG 1.0Hz IRISDMC SCEDC Misc Bits LEM 1.0Hz IRISDMC SCEDC Negative Analog Voltage VEN 0.1Hz IRISDMC SCEDC Opaque Configuration File OCF 1.0Hz IRISDMC SCEDC Packet Buffer Usage VPB 0.1Hz IRISDMC SCEDC Packet Count APK 0.1Hz IRISDMC SCEDC Poc Count APO 0.1Hz IRISDMC SCEDC Reboot Count ABT 0.1Hz IRISDMC SCEDC Satellite Count LSU 1.0Hz IRISDMC SCEDC Sensor A Bits LEA 1.0Hz IRISDMC SCEDC Sensor A Current VCA 0.1Hz IRISDMC SCEDC Sensor B Bits LEB 1.0Hz IRISDMC SCEDC Sensor B Current VCB 0.1Hz IRISDMC SCEDC Sensor Serial Bits LES 1.0Hz IRISDMC SCEDC Seq Error Count ASQ 0.1Hz IRISDMC SCEDC Status Delay ASL 0.1Hz IRISDMC SCEDC System Current VEC 0.1Hz IRISDMC SCEDC System Humidity VI1 0.1Hz IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Ups Voltage VEU 0.1Hz IRISDMC SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2019-07-24T16:30:00 (205) - 2025-05-07T17:57:00 (127)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC LNE 1.0Hz IRISDMC \| LNN 1.0Hz IRISDMC \| LNZ 1.0Hz IRISDMC Clock Phase LCE 1.0Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC System Battery Voltage LEB 1.0Hz IRISDMC SCEDC System Current LEC 1.0Hz IRISDMC SCEDC System Humidity LII 1.0Hz IRISDMC SCEDC System Temperature LKI 1.0Hz IRISDMC SCEDC System Voltage LEP 1.0Hz IRISDMC SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
2017-12-13T17:00:00 (347) - 2019-07-24T16:30:00 (205)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC LNE 1.0Hz IRISDMC \| LNN 1.0Hz IRISDMC \| LNZ 1.0Hz IRISDMC Clock Phase LCE 1.0Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC System Battery Voltage LEB 1.0Hz IRISDMC SCEDC System Current LEC 1.0Hz IRISDMC SCEDC System Humidity LII 1.0Hz IRISDMC SCEDC System Temperature LKI 1.0Hz IRISDMC SCEDC System Voltage LEP 1.0Hz IRISDMC SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
2015-04-17T17:22:00 (107) - 2017-12-13T17:00:00 (347)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC LNE 1.0Hz IRISDMC \| LNN 1.0Hz IRISDMC \| LNZ 1.0Hz IRISDMC Clock Phase LCE 1.0Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC System Battery Voltage LEB 1.0Hz IRISDMC SCEDC System Current LEC 1.0Hz IRISDMC SCEDC System Humidity LII 1.0Hz IRISDMC SCEDC System Temperature LKI 1.0Hz IRISDMC SCEDC System Voltage LEP 1.0Hz IRISDMC SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
2014-03-21T17:00:00 (080) - 2015-04-17T17:22:00 (107)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC LNE 1.0Hz IRISDMC \| LNN 1.0Hz IRISDMC \| LNZ 1.0Hz IRISDMC Clock Phase LCE 1.0Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC EPISENSOR ES-T,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC System Battery Voltage LEB 1.0Hz IRISDMC SCEDC System Current LEC 1.0Hz IRISDMC SCEDC System Humidity LII 1.0Hz IRISDMC SCEDC System Temperature LKI 1.0Hz IRISDMC SCEDC System Voltage LEP 1.0Hz IRISDMC SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
2008-06-17T16:23:23 (169) - 2014-03-21T17:00:00 (080)
Location Code	Instruments / Channels
--	Accelerometer HNE 100.0Hz IRISDMC \| HNN 100.0Hz IRISDMC \| HNZ 100.0Hz IRISDMC FBA-DECK,Accelerometer,KINEMETRICS HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
1996-06-19T00:00:00 (171) - 2008-06-17T16:23:23 (169)
Location Code	Instruments / Channels
--	L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
1995-10-05T00:00:00 (278) - 1996-06-19T00:00:00 (171)
Location Code	Instruments / Channels
--	L-4C VERTICAL,Velocity Sensor,SERCEL EHZ 100.0Hz SCEDC Velocity Sensor EHZ 100.0Hz IRISDMC
1995-10-05T00:00:00 (278) - 2008-06-17T16:23:23 (169)
Location Code	Instruments / Channels
--	Accelerometer HLE 100.0Hz IRISDMC \| HLN 100.0Hz IRISDMC \| HLZ 100.0Hz IRISDMC FBA-DECK,Accelerometer,KINEMETRICS HLE 100.0Hz SCEDC \| HLN 100.0Hz SCEDC \| HLZ 100.0Hz 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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