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SPECIAL DATA COLLECTION SYSTEM EVENT REPORT NTS EVENT 'MIZZEN', 3 JUNE n75
J. R. Woolson, et al
Teledyne Geotech
Prepared for:
Air Force Technical Applications Center
23 September 1975
DISTRIBUTED BY:
Knü National Technical information Service U. S. DEPARTMENT OF COMMERCE
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SDCS-ER-75-22
05717: "
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SPECIAL DATA COLLECTION SYSTEM EVENT REPORT NTS Event MIZZEN ". 3 June 1975
J R Woolson, DO Solan. M S Dawkins. K.J.Hill, and R.J.Markle
Alexandria Laboratories
Teledyne Geotech, 314 Montgomery Street, Alexandria, Virginia 22314
September 1975
APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED
Sponsored By
The Defense Advanced Research Projects Agency
Nuclear Monitoring Research Office
1400 Wilson Boulevard. Arlington . Virginia 22209
ARPA Order No 2897
Monitored By
VELA Seismological Center
312 Montgomery Street. Alexandria, Virginia 22314
Irir' :
C ■ M
R«proouced by
NATIONAL TECHNICAL INFORMATION SERVICE
U S Dapurtmanl of Commtrc» Springfield VA 23131
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Uisclaiiner: Neither the Defense Advanced Research Projects Aaencv nnr tho Air Force Technical App) .ca'.ions Center will be resoonsthle fnr iif. , conta.ned herein which has Leen supplied by o?her orga tions ^ f0rnat,0n
contractors and this document is subject to later revi Ion as mav hP necessary. The views and conclusions presented are those nffho^ ?! an should not be interpreted as ne^essar ly repesen ?no ? e Sff c a?" Policies either expressed or impMed. of the Defend Advanced Reerh
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Unclaaaif^H SECURITY CLASSIFICATION OF THIS P»GE (Whm Dmlm Enl;,d)
REPORT DOCUMENTATION PAGE I REPORT NUMrjf R
SDCS-ER-75-22
• TITLE (mnii Sublinr)
2 GOVT ACCESSION NO
SPECIAL DATA COLLECTION SYSTEM (SDCS)
NTS Event "MIZZEN", 3 June 1975
' AuTMORr,
Woolson, J. R., Solari, D, D., Dawklns, H. S., Hill, K. J. and Markle, R. J.
9 PERFORMING ORGANIZATION NAME ANO ADDRESS
Teledyne Geotech 314 Montgomery Street Alexandria, Virginia 22314 II CONTROLLING OFFICE NAME AND ADDRESS
Defense Advanced Research Projects Agency Nuclear Monitoring Research Office 1400 Wilson Blvd.-Arlington. Virginia 22209 I« MONITORING AGENCY NAME » AODRESSfl/ dltUfnl from Conlrolllni Otlic*)
VELA Seismological Center 312 Montgomery Street Alexandria, Virginia 22314
18 DISTRIBUTION STATEMENT (ot Ihlt R»porl)
READ INSTRUCTIONS BEFORE COMPLETINO KORM
3 RECIPIENT'S CATALOG NUMBFR
S TYPE OF REPORT « PERIOD COVERFD
Technical
« PERFORMING ORG. REPORT NUMBER
S CONTRACT OR GRANT NUMBERCV
F08606-74-C-0013
10 PROGRAM ELEMENT PROJECT TASK AREA i WORK UNIT NUMBERS
T/4703
12 REPORT DATE
23 September 1975 IJ NUvlRFR ^r PAGES
_ <ar 15 SECURITY CLASS ,'o/ Ihlt ttporl)
Unclassified
• S« OECLASSIFICATION DOWNGRADING SCHEDULE
APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED.
17 DISTRIBUTION STATEMENT (ot Ih, mbtlrmcl tnfrmd In Block 30. II dllUttnl Itom Roporl)
18 SUPPLEMENTARY NOTES
19 KEY WORDS fConll-iu» on revmrt- tld» II necettmry and Idtnllly hy block numbrr,
20 ABSTRACT (Conllnum on r*v»r«« »Id» II ntcrtury and Idtnllly by block numbrr) mil ■ ■ ictM JB
r. ,. ;■•• .
DD | jAN 73 1473 FOlTION OF I NOV 85 IS OBSOLETE I i
SECURITY CLASSIFICATION OF THl|.P. .CWhtn f)«i« tni««.
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SDCS Event Report No. 22
NTS Event "MIZZEN", 3 June 1975
This event report contains seismic data from '.he Special Data Collection System (SDCS), and other sources for the above event. Published epicenter information from seismiw observations is:
Origin Time Latitude Longitude m.
NORSAR LASA
14:40:07 14:40:01
38 N 37.ON
116 W 116.0W
5.6 5.3
M s
N/A N/A
Using SDCS stations, LASA and NORSAR, the epicenter location and magnitudes become
14:40:02 37.2N 116.0W 5.4 4.3
Short-period signals associated with this event were recorded at all SDCS stations, LASA and NORSAR.
Long-period signals wrre recorded at all SDCS stations, LASA, ALPA and NORSAR. The LP vertical channel magnification at HN-ME is unknown due to calibration problems. The gains of the horizontal LP instruments at RK-ON are unknown due to erratic calibration amplitudes. The long-period array beam data for LASA was not recoverable.
Details of the program used to obtain beamed vertical, radial and transverse long-period data at LASA, ALPA and NORSAR are in the process of being reviewed. Vertical beams are probably valid while horizontal beams are questionable.
Scaling factors on plots are millimicrons at 1 Hz (not corrected for instrument response) with the exception of LASA and NORSAR short-period plots. LASA SP scaling factors are millimicrons per inch. Scaling factors are not reported
for NORSAR short-period.
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INPUT FOF EVENT 3 JON 75 ia:UO:C0.O 37.00&N 116.000U OKH.
RESIDUALS STA. APEIVAL CALC REST LAC Itt 42 52.7 -0.1 -0.0 RK-ON 1ü U4 45.8 o.; -CO CPC 14 45 21.8 -0.0 0.2 WH2YF 14 45 39.4 0.1 0.3 FN-MV 14 46 00.0 -0.1 -0.1 HN-HE 14 47 08.1 G.4 0.2 NAC 14 51 32.5 -0.3 -0.6
67 HERRIN TRAVEL TIME TABLES
DIST.
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AZ. PEST REST 12.0 34.U 21..0 42.3 24.5 84.U 26.4 339.0 28.7 76.0 36.5 60.3
24.2
ORIGIN LAT. LONG. DIPTH (KH) ST>V IT STR 14:40:05.9 37.268N 115.951W 25. CALC 0.2 3 7 14:40:01.7 37.172N 116..024« 0. REST 0.3 2 7
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DATA SUMMARY
TNPOT FOF EVENT 3 JUN 75 1»4:UO:CO.P 37.000N 116.000» OK1!.
ARRIVAL HAGNITODE STAX -PHASE.
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ORIGIN LAT. LONG. ia:a0:05.9 37.268N 115.951W ia:tt0:01.7 37.172N 116.02aw
DEPTH (KN) HAG 25. CALC 5.39 0. REST 5.Ü2
SDV STA LPHAG LPSDV LPSTA 0.U6 6 4.3a O.U U 0.45 6 4.34 0.4 4
i
Short-period magnitudes (mb) used in averaging are restricted to those recorded at distances between 20 and 110 degrees from the epicenter.
U'cr^.ge long-period magnitude (Ms) is based on Rayleigh wave observations in the period range of 17 to 23 seconds per cycle.
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