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Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

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154 A. D. Gvishiani and Wilbur A. RinehartSOURCE DATE FILE 1I PUBLICATIONS MAGNETIC TAPE IORMAT FIELDS DETERMINEDY SEISMOLOGISTREFORMATING INTO UNIFIED86 CHARACTER ARCHIVE RECORDDETERMINED BYDETER M I NATION 0 F F LI N N-ENG DAH LREGION NUMBER AND CALCULATION OF]GEOGRAPHICAL GRID LOCATION NUMBER+STANDARD CORRECTIONS TO INSERTOR DELETE ZEROS AND BLANKS INAPPROPRIATE DATA FIELDSI FORMAL ERROR CONTROL I1 INDENTIFICATION OF BOUNDARY I CROSS-CHECKING ERRORS. UNLIKELY II CONDITION ERRORS 1 CONDITIONS OF MUTUALLYINCON SISTANT PARAMETERSJ-SEISMOLOGIST REVIEWOF ERRORS+FILE CORRECTIONISUBMISSION TO OATA BASELO<strong>AD</strong>ER PROGRAM1ACCOUNTING NOTESRECORDING <strong>AD</strong>DITIONSAND CORRECTIONSARCHIVEDATA BASEPREPARATION OF NEW VERSIONOF CHRONOLOGICAL TAPEPREPARATION OFMICROFICHE COPIESFigure 3. Quality control, updating and maintenance of <strong>the</strong> NOAA earthquake database.

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