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Networks (1 time spans)

BK 1980-01-01 2599-12-31

Station Epochs (1 time spans)

MTOS 2017-05-06 2599-12-31

BK : MTOS (2017-05-06 - 3000-01-01)

Network

BK

Map DOI

Station

MTOS

Site Name

Mt Oso, Westley, CA, USA

Start

2025-11-18T21:10:00 (322)
2017-05-06T00:20:00 (126)

End

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

Data Center

IRISDMC
NCEDC
SCEDC

Latitude

37.50492
37.504902

Longitude

-121.32778
-121.327797

Elevation (m)

312.6
310.0

Instruments

2026-05-20T21:36:07 (140) - 2599-12-31T23:59:59 (365) 3000-01-01T00:00:00 (001)
Location Code	Instruments / Channels
01	CMG-3T-PH,Mass Position Seismometer,GURALP VME 0.1Hz IRISDMC NCEDC \| VMN 0.1Hz IRISDMC NCEDC \| VMZ 0.1Hz IRISDMC NCEDC CMG-3T-PH,Velocity Sensor,GURALP 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 LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC \| LHZ 1.0Hz IRISDMC NCEDC Clock Phase LEO 1.0Hz IRISDMC NCEDC SCEDC FORTIS-PH,Accelerometer,GURALP HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC LNE 1.0Hz IRISDMC NCEDC \| LNN 1.0Hz IRISDMC NCEDC \| LNZ 1.0Hz IRISDMC NCEDC GURALP CMG-3T-PH S/N:T310050 Mass Position Seismometer VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC \| VMZ 0.1Hz SCEDC GURALP CMG-3T-PH S/N:T310050 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 GURALP FORTIS-PH S/N:TF500 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 System Humidity LIO 1.0Hz IRISDMC NCEDC SCEDC System Temperature LKO 1.0Hz IRISDMC NCEDC SCEDC System Voltage LYV 1.0Hz IRISDMC NCEDC SCEDC
2025-11-18T21:10:00 (322) - 2026-05-20T21:36:07 (140)
Location Code	Instruments / Channels
01	CMG-3T-PH,Mass Position Seismometer,GURALP VME 0.1Hz IRISDMC NCEDC \| VMN 0.1Hz IRISDMC NCEDC \| VMZ 0.1Hz IRISDMC NCEDC CMG-3T-PH,Velocity Sensor,GURALP 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 LHE 1.0Hz IRISDMC NCEDC \| LHN 1.0Hz IRISDMC NCEDC \| LHZ 1.0Hz IRISDMC NCEDC Clock Phase LEO 1.0Hz IRISDMC NCEDC SCEDC FORTIS-PH,Accelerometer,GURALP HNE 100.0Hz IRISDMC NCEDC \| HNN 100.0Hz IRISDMC NCEDC \| HNZ 100.0Hz IRISDMC NCEDC LNE 1.0Hz IRISDMC NCEDC \| LNN 1.0Hz IRISDMC NCEDC \| LNZ 1.0Hz IRISDMC NCEDC GURALP CMG-3T-PH S/N:T310050 Mass Position Seismometer VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC \| VMZ 0.1Hz SCEDC GURALP CMG-3T-PH S/N:T310050 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 GURALP FORTIS-PH S/N:TF500 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 System Humidity LIO 1.0Hz IRISDMC NCEDC SCEDC System Temperature LKO 1.0Hz IRISDMC NCEDC SCEDC System Voltage LYV 1.0Hz IRISDMC NCEDC SCEDC
2024-04-25T21:30:00 (116) - 2025-10-28T20:15:00 (301)
Location Code	Instruments / Channels
00	Clock Lock Loss LCL 1.0Hz SCEDC Clock Phase LCE 1.0Hz SCEDC Clock Quality LCQ 1.0Hz SCEDC Gps Antenna Current VEA 0.1Hz SCEDC KINEMETRICS EPISENSOR ES-T S/N:7368 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 Motherboard Voltage VAP 0.1Hz SCEDC Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:19133 Mass Position Seismometer VMU 0.1Hz SCEDC \| VMV 0.1Hz SCEDC \| VMW 0.1Hz SCEDC STRECKEISEN STS-2 S/N:19133 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 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
2017-05-06T00:20:00 (126) - 2023-01-02T00:00:00 (002)
Location Code	Instruments / Channels
00	KINEMETRICS EPISENSOR ES-T S/N:7368 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 Packet Buffer Usage VFP 0.1Hz SCEDC Pump LTW 1.0Hz SCEDC REF TEK RT151B S/N:G13174VS Mass Position Seismometer VME 0.1Hz SCEDC \| VMN 0.1Hz SCEDC \| VMZ 0.1Hz SCEDC REF TEK RT151B S/N:G13174VS 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 UNKNOWN ANTENNACURRENT S/N:6170_VEA Antenna Current VEA 0.1Hz SCEDC UNKNOWN CLOCKLOSS S/N:6170_LCL Clock Lock Loss LCL 1.0Hz SCEDC UNKNOWN CLOCKPHASE S/N:6170_LCE Clock Phase LCE 1.0Hz SCEDC UNKNOWN CLOCKQUALITY S/N:6170_LCQ Clock Quality LCQ 1.0Hz SCEDC UNKNOWN INPUTVOLTAGE S/N:6170_VEP System Voltage VEP 0.1Hz SCEDC UNKNOWN MOTHERBOARDVOLTAGE S/N:6170_VAP Motherboard Voltage VAP 0.1Hz SCEDC UNKNOWN SYSTEMCURRENT S/N:6170_VEC System Current VEC 0.1Hz SCEDC UNKNOWN SYSTEMTEMPERATURE S/N:6170_VKI System Temperature VKI 0.1Hz SCEDC UNKNOWN VCOVALUE S/N:6170_VCO Voltage Controlled Oscillator VCO 0.1Hz 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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