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Networks (1 time spans)

CI 1926-01-01 2599-12-31

Station Epochs (1 time spans)

WLT 1999-11-15 2599-12-31

CI : WLT (1999-11-15 - 2599-12-31)

Network

Map DOI

Station

WLT

Map

Site Name

Walnut

Start

1999-11-15T00:00:00 (319)

End

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

Data Center

IRISDMC
SCEDC

Latitude

34.00948

Longitude

-117.95077

Elevation (m)

107.0

Instruments

2026-07-23T16:30:00 (204) - 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 Clock Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC VCE 0.1Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC VCQ 0.1Hz IRISDMC SCEDC Clock Status ACE 0.0Hz IRISDMC SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC KINEMETRICS EPISENSOR ES-T S/N:3285 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Log LOG 0.0Hz IRISDMC SCEDC Mass Position Seismometer VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC Opaque Configuration File OCF 0.0Hz IRISDMC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC SCEDC STRECKEISEN STS-2 S/N:119510 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:119510 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 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 IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2017-08-01T16:45:00 (213) - 2026-07-23T16:30:00 (204)
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 Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC VCE 0.1Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC VCQ 0.1Hz IRISDMC SCEDC Clock Status ACE 0.0Hz IRISDMC SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC KINEMETRICS EPISENSOR ES-T S/N:3285 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Log LOG 0.0Hz IRISDMC SCEDC Mass Position Seismometer VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC Opaque Configuration File OCF 0.0Hz IRISDMC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC SCEDC STRECKEISEN STS-2 S/N:119510 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:119510 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 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 IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2016-04-27T16:30:00 (118) - 2017-08-01T16:45:00 (213)
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 Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC VCE 0.1Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC VCQ 0.1Hz IRISDMC SCEDC Clock Status ACE 0.0Hz IRISDMC SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC KINEMETRICS EPISENSOR ES-T S/N:3285 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Log LOG 0.0Hz IRISDMC SCEDC Mass Position Seismometer VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC Opaque Configuration File OCF 0.0Hz IRISDMC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC SCEDC STRECKEISEN STS-2 S/N:119510 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:119510 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 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 IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2015-07-21T16:00:00 (202) - 2016-04-27T16:30:00 (118)
Location Code	Instruments / Channels
--	Mass Position Seismometer VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC STRECKEISEN STS-2 S/N:119510 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:119510 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 LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC \| LHZ 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC \| VHZ 0.1Hz SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2012-11-20T21:00:00 (325) - 2016-04-27T16:30:00 (118)
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 Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC VCE 0.1Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC VCQ 0.1Hz IRISDMC SCEDC Clock Status ACE 0.0Hz IRISDMC SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC KINEMETRICS EPISENSOR ES-T S/N:3285 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Log LOG 0.0Hz IRISDMC SCEDC Opaque Configuration File OCF 0.0Hz IRISDMC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC SCEDC System Current VEC 0.1Hz IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2012-11-20T21:00:00 (325) - 2015-07-21T16:00:00 (202)
Location Code	Instruments / Channels
--	Mass Position Seismometer VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC STRECKEISEN STS-2.5 S/N:110611 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2.5 S/N:110611 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 LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC \| LHZ 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC \| VHZ 0.1Hz SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2010-12-23T18:30:00 (357) - 2012-11-20T21:00:00 (325)
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 Lock Loss LCL 1.0Hz IRISDMC SCEDC Clock Phase LCE 1.0Hz IRISDMC SCEDC VCE 0.1Hz IRISDMC SCEDC Clock Quality LCQ 1.0Hz IRISDMC SCEDC VCQ 0.1Hz IRISDMC SCEDC Clock Status ACE 0.0Hz IRISDMC SCEDC GURALP CMG-40T S/N:T4324 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 LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC \| LHZ 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC \| VHZ 0.1Hz SCEDC Gps Antenna Current VEA 0.1Hz IRISDMC SCEDC KINEMETRICS EPISENSOR ES-T S/N:3285 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC Log LOG 0.0Hz IRISDMC SCEDC Opaque Configuration File OCF 0.0Hz IRISDMC SCEDC Packet Buffer Usage VFP 0.1Hz IRISDMC SCEDC System Current VEC 0.1Hz IRISDMC SCEDC System Temperature VKI 0.1Hz IRISDMC SCEDC System Voltage VEP 0.1Hz IRISDMC SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC Voltage Controlled Oscillator VCO 0.1Hz IRISDMC SCEDC
2008-06-13T09:35:24 (165) - 2010-12-23T18:30:00 (357)
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 KINEMETRICS EPISENSOR ES-T S/N:246 Accelerometer HNE 100.0Hz SCEDC \| HNN 100.0Hz SCEDC \| HNZ 100.0Hz SCEDC LNE 1.0Hz SCEDC \| LNN 1.0Hz SCEDC \| LNZ 1.0Hz SCEDC
2006-07-08T02:12:55 (189) - 2010-12-23T18:30:00 (357)
Location Code	Instruments / Channels
--	GURALP CMG-40T S/N:T4324 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 LHE 1.0Hz SCEDC \| LHN 1.0Hz SCEDC \| LHZ 1.0Hz SCEDC VHE 0.1Hz SCEDC \| VHN 0.1Hz SCEDC \| VHZ 0.1Hz SCEDC Velocity Sensor BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2006-07-08T02:12:55 (189) - 2008-06-13T09:35:24 (165)
Location Code	Instruments / Channels
--	Accelerometer HLE 100.0Hz IRISDMC \| HLN 100.0Hz IRISDMC \| HLZ 100.0Hz IRISDMC LLE 1.0Hz IRISDMC \| LLN 1.0Hz IRISDMC \| LLZ 1.0Hz IRISDMC KINEMETRICS EPISENSOR ES-T S/N:246 Accelerometer HLE 100.0Hz SCEDC \| HLN 100.0Hz SCEDC \| HLZ 100.0Hz SCEDC LLE 1.0Hz SCEDC \| LLN 1.0Hz SCEDC \| LLZ 1.0Hz SCEDC
1999-11-15T00:00:00 (319) - 2006-07-08T02:12:55 (189)
Location Code	Instruments / Channels
--	Accelerometer HLE 100.0Hz IRISDMC \| HLN 100.0Hz IRISDMC \| HLZ 100.0Hz IRISDMC LLE 1.0Hz IRISDMC \| LLN 1.0Hz IRISDMC \| LLZ 1.0Hz IRISDMC GURALP CMG-40T S/N:T4324 Velocity Sensor BHE 20.0Hz SCEDC \| BHN 20.0Hz SCEDC \| BHZ 20.0Hz 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 KINEMETRICS EPISENSOR ES-T S/N:246 Accelerometer HLE 100.0Hz SCEDC \| HLN 100.0Hz SCEDC \| HLZ 100.0Hz SCEDC LLE 1.0Hz SCEDC \| LLN 1.0Hz SCEDC \| LLZ 1.0Hz SCEDC Velocity Sensor BHE 20.0Hz IRISDMC \| BHN 20.0Hz IRISDMC \| BHZ 20.0Hz IRISDMC HHE 100.0Hz IRISDMC \| HHN 100.0Hz IRISDMC \| HHZ 100.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC

IRISDMC metadata changes:

Virtual network affiliations:

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