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

146 J. N. Taggart, W. H. K. Lee, and K. L. MeagherGEOGRAPHIC SEARCH MODESGLOBAL (all), orRANGE OF COORDINATES, orFLINN-ENGDAHL REGIONS, orDISTANCE FROM A POINT.SEARCH OPTIONSFILE SELECTIONChoice of agenciesAll agenciesRANGE OF DATE - ORIGIN TIMEBeginning time = index keyRANGE OF DEPTHSRANGE OF INTENSITIESRANGE OF MAGNITUDESAll magnitudesSelected magnitudeFLAGGED EVENTSEvents with moment tensor solutionsEvents with fault plane solutions*Felt, damaging, or disastrous events*Events with isoseismal maps*Events with associated diastrophism*Taumagenic events*Events with associated ground effects*International Data Exchange eventsIRREGULAR SHAPED GRID ZONEDUPLICATE ENTRY ELIMINATOROrder of agency preferenceOrigin time differenceDistance differenceOUTPUT FORMAT OPTIONSGLOBAL DATABASE OUTPUT@GLOBAL DATABASE OUTPUT WITH PAGE HEADERS*LOCAL - REGIONAL DATABASE OUTPUT*ONE LINE OUTPUT*ONE LINE OUTPUT WITH PRECISIONS*ONE LINE OUTPUT WITH PRECISIONS, UNCERTAINTIES*DISPLAY COMPLETE DATABASE RECORDS*DUPLICATE DATABASE0 Global database only* National database onlyFigure 2. Selection criteria for events in the national and global databases. Forexample, a user might enter the national database and request a one line per event listingof earthquakes in Flinn-Engdahl region 7 (Andreanof Islands, Alaska), which: 1) werepublished by the ISC, 2) occurred between 01 January 1957 and 31 December 1979,3) haddepths less than 50 km, 4) had MS magnitude > 6.4, and 5) were felt or caused damage.