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USNSN/ANSS Real TimeData Flow at the NEIC
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Topics• NEIC Real-time Data System • Networks Contributed to NEIC in Real-time• Internal Flow of Real-time Data• Distribution to Various Recipients
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RSN ATWCPTWC
Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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Topics• NEIC Real-time Data System • Networks Contributed to NEIC in Real-time• Internal Flow of Real-time Data• Distribution to Various Recipients
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~200 Broadbands ~3 Gbytes/day.
Networks Contributed to NEIC in Real-time
MEDNETGEOFONKNETIMSCDSNGTSNGSN
SLUAEICBKYSNLWestonBILIKINLLNL
ATWCPTWCAVONMTUSBRSLUMenlo
CERIButteTriNetUUSSUNRLDEOMIT
Contributors via Virtual Data Logger
Contributors via Earthworm
Contributors via Satellite System 65 USNSN Broadband, 7 ASL/GSN
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Earthworm: Real-time Data Exchange
Channels IN:300 Broadband and Short periodalso strong motion
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Topics• NEIC Real-time Data System • Networks Contributed to NEIC in Real-time• Internal Flow of Real-time Data– NEIS– QA/QC Products– Research
• Distribution to Various Recipients
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Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System: Internal
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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NEIS Processing and ProductsAssociation, location,and magnitude estimation
Quick review
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NEIS Processing and ProductsMoment tensors
Record sections
Recent earthquake maps and waveforms
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NEIS Processing and ProductsShakemap
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Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System: Internal
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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NEIC Internal: QA/QCHeli Pages Latency Monitor
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NEIC Internal: QA/QCReal-time Probabilistic Ambient Noise Estimates
Numerous artifacts are observed and identifiable. Strong signals are generated from instrumentation and telemetry issues such as calibration pulses, automatic mass re-centering and dropped packets.
10192 individual PSDs, binned in 1/8 octave intervals, are used to construct a Seismic Noise Probability Density Function for JFWS BHZ, shown to the right. 09/2000-02/2003.
Calibration
Dropped Packets
Mass re-center
Sensor Problem
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NEIC Internal: QA/QCReal-time Probabilistic Ambient Noise Estimates
Significant noise at 0.1s (10Hz) due to the proximity to a road.
2370 individual PSDs, binned in 1/8 octave intervals, are used to construct a Seismic Noise Probability Density Function for HLID BHZ, shown to the right.
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Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System: Internal
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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NEIC Operations Focused Research
Improve STN
Determine arrival slowness
Increase pick accuracy
Improve phase Ids
Lower detection threshold
Improve locations
Real-time Array Processing
P. Earle
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NEIC Operations Focused Research
National Hazard Map
Crustal Attenuation Studies
Pn Lg
Wesson, McNamara, Benz, Frankel
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Topics• NEIC Real-time Data System • Networks Contributed to NEIC in Real-time• Internal Use of Real-time Data• Distribution to Various Recipients
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Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System: Out Bound
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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Recipients of Real-time Dataearthworm import/export
Regional Seismic Networksfill in azimuthal gapsadd broadband recordings
Alaska and Pacific Tsunami Warning Centersimprove coverage and warning
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Earthworm
RSN
Waveserver
VMS Cluster NEIS
ATWCPTWC
ISNGSN USNSNRSN
IRIS DMS
Research
NEIC Real-time Data System: Out Bound
QA/QC
ASLGSN
EW import/export VDL
AutoDRM
VSAT
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Recipients of Real-time Data: IRIS DMSdedicated frame-relay (8 min. delay)
BUD Real-time data archive March 2002 to present
alsoUSNSN historic data archive
1991 to 2002