Table of Contents for this Document File: Name of File Contributing Source File directory/location Information on the region covered Variable Table Format File Sample Data Variable File Additional Documentation ==================================================================== ==================================================================== ==================================== Variable Table The variable table contains a list of parameters contained in the data as well as information on the existence of histograms which can be viewed in GeoVu. File joh.tab for this catalog follows ==================================== DATA SET TITLE: joh PRINCIPAL INVESTIGATOR: CONTRIBUTING ORGANIZATION: JOH C LATITUDE: 26.17567 S LONGITUDE: 28.07167 E JOH C Elevation: 1806.0 LOCATION and NAME: Johannesburg DATA FILE: joh.bin #\data\africa\south\joh\joh.bin NUMBER OF RECORDS: 49 ASCII FILE SIZE: 4018 BINARY FILE SIZE: 3822 SUMMARY: JOH Johannesburg, South Africa. Regional data from Johannesburg, South Africa, 1950-1966 1. VARIABLE NAME HISTOGRAM NAME 2. ASCII FORMAT BINARY FORMAT NO. & MIN/MAX VALUES Stat End Type Prc Stat End Type Prc Min. Max. #nonzero source SOURCE.CST 1 3 char 0 1 3 char 0 JOH JOH 49 century_and_year CENTURY_.LST 4 8 short 0 57 58 short 0 1950 1966 49 month MONTH.LST 9 10 short 0 59 60 short 0 1 12 49 day DAY.LST 11 12 short 0 61 62 short 0 1 31 49 hour HOUR.LST 13 14 short 0 63 64 short 0 1 21 48 minute MINUTE.LST 15 16 short 0 65 66 short 0 1 57 49 second SECOND.LST 17 19 short 1 67 68 short 1 4 59 45 latitude_abs NO HISTOGRAM 20 24 long 3 NOT IN BINARY latitude_ns NO HISTOGRAM 25 25 char 0 NOT IN BINARY longitude_abs NO HISTOGRAM 26 31 long 3 NOT IN BINARY longitude_ew NO HISTOGRAM 32 32 char 0 NOT IN BINARY depth DEPTH.LST 33 35 short 0 69 70 short 0 0 0 0 mb_magn MB_MAGN.LST 36 38 short 2 14 15 short 2 0 0 0 MB NO HISTOGRAM 39 40 constant 0 NOT IN BINARY flag_isoseismal FLAG_ISO.CST 41 43 char 0 16 18 char 0 0 0 0 intensity INTENSIT.CST 44 44 char 0 19 19 char 0 0 0 0 flags_ngdc FLAGS_NG.CST 45 50 char 0 20 25 char 0 0 0 0 flag_diastrophic FLAG_DIA.CST 45 45 char 0 26 26 char 0 0 0 0 flag_tsunami FLAG_TSU.CST 46 46 char 0 27 27 char 0 0 0 0 flag_seiche FLAG_SEI.CST 47 47 char 0 28 28 char 0 0 0 0 flag_volcanism FLAG_VOL.CST 48 48 char 0 29 29 char 0 0 0 0 flag_non_tectonic FLAG_NON.CST 49 49 char 0 30 30 char 0 0 0 0 flag_infrasonic FLAG_INF.CST 50 50 char 0 31 31 char 0 0 0 0 Flinn_Engdahl_region FLINN_EN.LST 51 53 short 0 32 33 short 0 567 584 49 ms_local_magn MS_LOCAL.LST 54 55 short 1 34 35 short 1 0 0 0 MS NO HISTOGRAM 56 57 constant 0 NOT IN BINARY z_h Z_H.CST 58 58 char 0 36 36 char 0 0 0 0 flag_cultural FLAG_CUL.CST 59 59 char 0 37 37 char 0 F F 3 flag_other FLAG_OTH.CST 60 60 char 0 38 38 char 0 0 0 0 magn_other MAGN_OTH.LST 61 63 short 2 39 40 short 2 4 6 10 magn_other_authority MAGN_OT1.CST 64 66 char 0 41 43 char 0 JOH PRA 10 international_data_exchange_event INTERNAT.CST 67 67 char 0 44 44 char 0 0 0 0 flag_depth_control_PDE FLAG_DEP.CST 68 68 char 0 45 45 char 0 0 0 0 number_of_stations_or_quality NUMBER_O.CST 69 71 char 0 46 48 char 0 1 5 21 time_authority TIME_AUT.CST 72 72 char 0 49 49 char 0 * * 1 ml_magn_local ML_MAGN_.LST 73 75 short 2 50 51 short 2 0 0 0 ml_magn_local_scale ML_MAGN1.CST 76 77 char 0 52 53 char 0 0 0 0 ml_magn_local_source ML_MAGN2.CST 78 80 char 0 54 56 char 0 0 0 0 latitude LATITUDE.LST NOT IN ASCII 4 7 long 3 -30 -7 49 longitude LONGITUD.LST NOT IN ASCII 8 11 long 3 13 37 49 depth_negate DEPTH_NE.LST NOT IN ASCII 12 13 short 0 0 0 0 year_decimal YEAR_DEC.LST NOT IN ASCII 71 78 double 10 1950.703 1966.466 49 ==================================== Format File The format file is a listing of the variable names, types and positions within the binary and ASCII files. The file is composed of two parts - the first section is the format of the ASCII file, the second, the format of the binary file. The ASCII format file *.af must be renamed to *.afm to be used with the Freeform utility. Likewise, the binary format file *.bf must be renamed to *.bfm. The structure of this file is: Field 1: Variable name Field 2: First position of variable in line Field 3: Last position of variable in line Field 4: Type of variable Field 5: Precision of variable **Refer to Freeform user's manual for further information See format file joh.fmt in this directory ==================================== ======================================================== Sample Data A representative sample of data records showing the first 10 lines and the last 10 lines of the ASCII data file(i.e. the .dat file). The first and last 10 records of joh.dat follow ======================================================== JOH 19500914214459025800S 36000E 0 582 JOH 19510510091830019867S 33800E 0 581 600PRA JOH 19520226110335016000S 35500E 0 577 JOH 19520911082324018500S 22000E 0 579 JOH 19541019210826 21 S 335 E 581 JOH 19541019210826021000S 33500E 0 581 JOH 19541126213940 18 S 13 E 578 * JOH 19541126213940018000S 13000E 0 578 JOH 195412020203 18 S 34 E 581 JOH 19541202020300018000S 34000E 0 581 . . . . JOH 196405121912060 8000S 31000E 0 572 2 JOH 196405241519180 8000S 33000E 0 573 2 JOH 19640609200118029500S 25000E 0 584 5 JOH 19640611210119017670S 26500E 0 576 2 JOH 19641213195643018000S 35000E 0 581 450JOH 4 JOH 19641214151106012000S 30000E 0 576 420JOH 2 JOH 19650128175515013000S 26000E 0 576 450JOH 4 JOH 196504160024280 9000S 28000E 0 567 1 JOH 196504160119160 9000S 28000E 0 567 1 JOH 19660620022243028150S 31000E 0 584 ==================================== Variable File This file contains statistical information on each of the variables in the data set. The variable file joh.var for this catalog follows ==================================== Input file : joh.bin Input format file: joh.fmt No requested precision, Approximate number of sorting bins = 100 source: 49 values read minimum: JOH found at record 1 maximum: JOH found at record 1 Summary file: source.cst Histogram data precision: 0, Number of sorting bins: 18 latitude: 49 values read minimum: -29.500 found at record 42 maximum: -7.000 found at record 32 Summary file: latitude.lst Histogram data precision: 0, Number of sorting bins: 16 longitude: 49 values read minimum: 13.000 found at record 7 maximum: 37.000 found at record 19 Summary file: longitud.lst Histogram data precision: 0, Number of sorting bins: 1 depth_negate: 49 values read minimum: 0 found at record 1 maximum: 0 found at record 1 Summary file: depth_ne.lst Histogram data precision: 0, Number of sorting bins: 1 mb_magn: 49 values read minimum: 0.00 found at record 1 maximum: 0.00 found at record 1 Summary file: mb_magn.lst flag_isoseismal: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_iso.cst intensity: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: intensit.cst flags_ngdc: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flags_ng.cst flag_diastrophic: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_dia.cst flag_tsunami: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_tsu.cst flag_seiche: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_sei.cst flag_volcanism: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_vol.cst flag_non_tectonic: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_non.cst flag_infrasonic: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_inf.cst Histogram data precision: 0, Number of sorting bins: 11 Flinn_Engdahl_region: 49 values read minimum: 567 found at record 38 maximum: 584 found at record 17 Summary file: Flinn_En.lst Histogram data precision: 0, Number of sorting bins: 1 ms_local_magn: 49 values read minimum: 0.0 found at record 1 maximum: 0.0 found at record 1 Summary file: ms_local.lst z_h: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: z_h.cst flag_cultural: 49 values read minimum: found at record 1 maximum: F found at record 16 Summary file: flag_cul.cst flag_other: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_oth.cst Histogram data precision: 0, Number of sorting bins: 4 magn_other: 49 values read minimum: 0.00 found at record 1 maximum: 6.13 found at record 11 Summary file: magn_oth.lst magn_other_authority: 49 values read minimum: found at record 1 maximum: PRA found at record 2 Summary file: magn_ot1.cst international_data_exchange_event: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: internat.cst flag_depth_control_PDE: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: flag_dep.cst number_of_stations_or_quality: 49 values read minimum: found at record 1 maximum: 5 found at record 39 Summary file: number_o.cst time_authority: 49 values read minimum: found at record 1 maximum: * found at record 7 Summary file: time_aut.cst Histogram data precision: 0, Number of sorting bins: 1 ml_magn_local: 49 values read minimum: 0.00 found at record 1 maximum: 0.00 found at record 1 Summary file: ml_magn_.lst ml_magn_local_scale: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: ml_magn1.cst ml_magn_local_source: 49 values read minimum: found at record 1 maximum: found at record 1 Summary file: ml_magn2.cst Histogram data precision: 0, Number of sorting bins: 13 century_and_year: 49 values read minimum: 1950 found at record 1 maximum: 1966 found at record 49 Summary file: century_.lst Histogram data precision: 0, Number of sorting bins: 12 month: 49 values read minimum: 1 found at record 28 maximum: 12 found at record 9 Summary file: month.lst Histogram data precision: 0, Number of sorting bins: 23 day: 49 values read minimum: 1 found at record 15 maximum: 31 found at record 34 Summary file: day.lst Histogram data precision: 0, Number of sorting bins: 18 hour: 49 values read minimum: 0 found at record 47 maximum: 21 found at record 1 Summary file: hour.lst Histogram data precision: 0, Number of sorting bins: 30 minute: 49 values read minimum: 1 found at record 42 maximum: 57 found at record 24 Summary file: minute.lst Histogram data precision: 0, Number of sorting bins: 27 second: 49 values read minimum: 0.0 found at record 9 maximum: 59.0 found at record 1 Summary file: second.lst Histogram data precision: 0, Number of sorting bins: 1 depth: 49 values read minimum: 0 found at record 1 maximum: 0 found at record 1 Summary file: depth.lst Histogram data precision: 0, Number of sorting bins: 13 year_decimal: 49 values read minimum: 1950.7038527080 found at record 1 maximum: 1966.4660249556 found at record 49 Summary file: year_dec.lst ==================================== The bibliographic file joh.bib for this catalog follows ==================================== This is the NGDC Bibliography for region of South Africa ---, Compiler. Résumé Annuel Des Observations Instrumentales Et Des Tremblements De Terre Ressentis Au Maroc En 1968. Xerox Copy, Report. Rabat: Institut Scientifique Cherifien, Service De Physique Du Globe, 1969. Royaume Du Maroc. ---. A Catalogue of Felt Earthquakes in Kenya, 1892 - 1969. Kenya: Seismology Unit, Geology Department, University of Nairobi, Kenya, July 1971. A Catalogue of Earthquakes in the Lake Kariba Area: 1959 to 1968 (Rhodesia. Epicentres of Local Earthquakes Recorded at Bulawayo, Broken Hill and Chileka: July 1965 to June 1966. Lambert Conformal Conic Projction. 1967. Fernandez, L. M. Ph. D. Catalogue of Earthquakes in Southern Africa and Surrounding Oceans for 1979, 1980, 1981, 1982, 1983. Republic of South Africa Pretoria: Department of Mineral and Energy Affairs, Geological Survey, 1983. Finsen, W. S. "The Statistics of Witwatersrand Earth Tremors, 1938.5 to 1949.0, and The Geographical Distribution of Some South African Earthquakes." Union Observatory Volume 5, Part 10.Circular No.110, 1950, July (1950): Pages 445-56, Catalogue, Pages 459-72. Gorshkov, G. P. "The Seismicity of Africa." Review of Natural Resources (1963): 103-51. Heck, N. H. and Davis R. M. Jr. "A List of Earthquakes Published in 1688." Bulletin of the Seismological Society of America Vol. 36.No. 4 (1946): 363-72. Herrinck, P. Dr. Sc. Séismicité Du Congo Belge., Compilation Des Séismes Observés Aux Stations Climatologiques Entre 1909 Et 1954. Brussel: Académie royale des Sciences coloniales, Chef de la Section géographique du Service météorologique du Congo belge et du Ruand-Urundi, 1959. Institut Scientifique Cherifien, Service De Physique Du Globe. "Les Tremblements De Terre R Essentis En 1965 Et 1966 Au Maroc." Bulletin Macroseismique Du Maroc Pour 1965 Et 1966 (1967): Pages 1-12. Loupekine, I. S. A Catalogue of Felt Earthquakes in Kenya, 1892 - 1969. Nairobi, Kenya: University of Nairobi, 1971. Observatoire Geophysique Averroes, Section Seismologie Berrechid Maroc. "Bulletin Macroseismique De L'Observatoire Averroes." Royaume Du Maroc, Institut Scientifique, Service De Physique Du Globe Et De Meteorologie. (1963): Pages 1-5. Wery, A. "Seismic Observations and Meteorology of Ruanda." Communications of the Royal Observatory of Belgium No. 133.Series No. 43: 1-12. ======================================================== Additional Documentation Any other files contributed to or generated by NGDC as documentation for the data base follows. ========================================================