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

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66 Ota Kulhdnek1 8 35lo. r 1s ' 20 ' 2,' 25. ' ' '10 N EARTHQUAKES IN SWEDEN1975 - 1979/ ad-00T.je ii,Figure 2. Distribution of Swedish stations during the first half of the 20th century (triangles);current Swedish seismograph station network (open circles); epicenters of Swedishearthquakes during the period 1975-1979 (solid circles).
Historical Seismograms in Sweden 67More recently, Singh et al., (1984) used Uppsala Wiechert seismograms and stationbulletins to estimate surface-wave magnitudes, Ms. Amplitude readings, AEand AN, of 20-sec surface waves were taken from the Uppsala bulletin and wheneverpossible also checked on Wiechert seismogram copies. It has been shown that Uppsalaamplitude data are complete for Ms 2 6.6 from 1906 to 1952 and for Ms 2 6.3from 1953 to 1966. The increase in the magnitude sensitivity is most likely due toan increase in the number of instruments in Sweden, in the 1950's and 1960's, aswell as to improved communication among seismological observatories.Successful attempts have lately been made to compare seismograms of historicaland more recent earthquakes from the same area, recorded at the same seismographstation, i.e. by the same instrument, in order to extract information on focal processes.For example Bakun and McEvilly (Clark, 1984) compared De Bilt recordsfrom three Parkfield earthquakes which took place in 1922, 1934 and 1966. Theyquickly revealed that the records remarkably resemble each other, indicating thatthe 'same earthquake" is taking place over and over. Following the above procedure,we compared in a similar way, two major shocks that occurred in northern Algeriain 1954 and 1980. Corresponding source parameters are listed in Table 2. Thefollowing steps were performed on the data: (1) The original (i.e. no enlargementshave been introduced) smoked-paper seismograms from both events were digitizedat non-equal time intervals. (2) Correction for the offset of the arm pivot was introduced.(3) The signal was corrected for the finite arm length. (4) Data wereinterpolated to produce equally spaced (0.5 sec) points and smoothed by a movingaveraging over three successive points. In Figure 3, the four steps are demonstratedon real Wiechert records. Comparison of corrected records from both events, amplifiedto the same maximum amplitude level is made in Figure 4. Due to ratherweak recorded P-waves, only segments including S- and SS-arrivals and the initialpart of surface waves are shown.With respect to the proximity of the two hypocenters (Table 2), the propagationpaths to Uppsala are practically the same. Then, the astonishing resemblence ofboth records, as seen in Figure 4, suggests high similarity in corresponding focalprocesses. The available fault-plane solutions (McKenzie, 1972; Deschamps et al.,1982) both show a thrust faulting on planes striking ENE and NE for the 1954 and1980 event, respectively.Table 2. Source Parameters of Earthquakes AnalyzedFocal Date Epicen t ral Focal MArea Coordinates DepthO N O E kmN. AlgeriaOrlkansvilleSept 9, 1954 36.20 1.6') n2) 6.52)N. AlgeriaEl AsnamOct 10, 1980 36.lG 1.43) 43) 7.Z3)1) ISS2, Rothe3, ISC
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Historical SeismogramsandEarthquake
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ToJames F. Landerfor his leadership
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viContentsThe Status, Importance, a
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...VlllEarthquake History of Califo
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XMicrofilming of Historical Seismog
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PrefaceA symposium on Historical Se
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I. Introduction
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4 W. H. K. Lee, H. Meyers, and K. S
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6 W. H. K. Lee, H. Meyers, and K. S
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8 W. H. h‘. Lee, H. Meyers, and K
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10 W. H. K. Lee, IT. Meyers, and K.
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12 W. H. K. Lee, H. Meyers, and K.
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14 W. H. K. Lee, H. Meyers, and K.
Page 30 and 31: IMPORTANCE OF HISTORICAL SEISMOGRAM
Page 32 and 33: 18 Hiroo KanamoriTable Ib. Some Lar
Page 34 and 35: -60'1 1904-1985-M, >8.01II\I'.iPlus
Page 36 and 37: 22 Hiroo Kanamorievents often have
Page 38 and 39: ~~~24 Hiroo KanamoriThatcher et al.
Page 40 and 41: 26 Hiroo Kanamo riIf relatively com
Page 42 and 43: 28 Hiroo Kanamori9. Difficulties in
Page 44 and 45: 30 Hiroo KanamoriNagamune, T. (1971
Page 46 and 47: 32 Hiroo KanamoriI I I I I1000100z
Page 49: 11. Analysis of Historical Seismogr
Page 52: 38 Kat su y uki A beaddition to thi
Page 56 and 57: 42 Katsuyuki Abe20:oow19:302-I--Ia
Page 58 and 59: 44 Katsuyuki AbeIn the present stud
Page 60 and 61: 46 Katsuyuki AbeTable 3. Sinkiang E
Page 62 and 63: ~48 Katsuyuki AbeSieh (1978) and ot
Page 64 and 65: 50 Katsuyuki AbeREFERENCESAbe, K. (
Page 66 and 67: 52 E. Hurtig and G. KowalleFRG'.L.-
Page 68 and 69: 54 E. Hurtig and G. Kowalle2.2 Reco
Page 70 and 71: 56 E. Hurtig and G. KowalleREFERENC
Page 72 and 73: 58 N. V. Kondorskaya and Yu. F. Kop
Page 78 and 79: THE STATUS, IMPORTANCE, AND USE OFH
Page 82 and 83: 68 Ota Kulhdnek1 UPP EW SEP 9 1954
Page 84 and 85: ANALYSIS OF HISTORICAL SEISMOGRAMS
Page 86 and 87: 72 S. K. Singhfrom Uppsala. We also
Page 88 and 89: 74S. K. SinghN1 1Oaxaca-X .-x x- x
Page 90 and 91: 76S. K. SinghESKUPPWIECHERT ELPZ A-
Page 92 and 93: 78 S. K. SinghJdFJ-22 Feb 1943Ms=7.
Page 94 and 95: 80 S. K. SinghDE BlLT (DBN) Z$I = 3
Page 96 and 97: 82 S. K. Singh7. The Great Jalisco,
Page 98 and 99: 84 S. K. SinghREFERENCESAbe, K. (19
Page 100 and 101: 86 S. Stein, E. A. Okal and D. A. W
Page 108 and 109: 94S. Stein, E. A. Okal and D. A. Wi
Page 110 and 111: 96S. Stein, E. A. Okal and D. A. Wi
Page 114 and 115: 100 S. Stein, E. A. Okal and D. A.
Page 121 and 122: RECENT ACTIVITIES AT THE INTERNATIO
Page 123 and 124: S.S. Felt and Damaging EarthquakesI
Page 125 and 126: In t e r na tio n a1 Se is mo logic
Page 127 and 128: 1. IntroductionCatalogue of Chinese
Page 129 and 130: Catalogue of Chinese Earthquakes (M
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Catalogue of Chinese Earthquakes (M
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Catalogue of Chinese Earthquakes (A
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Catalogue of Chinese Earthquakes (A
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DATA BASES ON HISTORICAL SEISMICITY
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Data Bases on Historical Seismicity
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COMPILATION AND PROCESSING OF HISTO
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Compilation and Processing of Histo
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The U. S. Geological Survey’s Dat
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The U. S. Geological Survey's Datab
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~ ~The U. 5‘. Geological Survey
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The U. S. Geological Survey’s Dat
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Catalog of Large and Damaging Earth
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YCatalog of Large and Damaging Eart
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YM D h m1918 2 9 20 461918 2 13 6 7
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His to ric al Mate ria Is of Chine
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Historic a1 Mate rials of Chinese E
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Historical Materials of Chinere Ear
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His t o r ical Mate rials of Chin e
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IV. Individual Historical Earthquak
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174 N. N. Ambraseys and C. F. Finke
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182 N. N. Arnbraseys and C. P. Melv
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184 N. N. Ambraseys and C. P. Melvi
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188 N. N. Arnbraseys and C. P. Melv
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202G. E. Fiedler B.FI1 IFigure 1. T
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204 G. E. Fiedler B.Figure 3. The S
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206 G. E. Fiedler B.Origin time Epi
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EVALUATION OF DAMAGE AND SOURCE PAR
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2 10 D. Muiioz and A. Udias3. Evalu
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212 D. Muiioz and A. Udias3 wFigure
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2 14 D. Mun"oz and A. Udiasgiven by
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216 D. Muioz and A. UdiasTable 2. D
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218 D. Munot and A. UdiasGentil, P.
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220 D. Muiioz and A. UdiasArchivo M
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V. Earthquake History
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226 M. DeBecker and T. CamelbeeckAt
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~~228 M. DeBecker and T. Camelbeeck
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230 M. DeBecker and T. Camelbeeek10
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DOCUMENTING NEW ZEALAND EARTHQUAKES
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234 G. A. EabyFrom a seismic point
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236 G. A. EibyImmediate practical p
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238 G. A. Eibynorth-west; but subsi
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240 G. A. Eibywith near-earthquake
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242 Pao Hua Lee120 121 122 123Figur
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0.3244 Pao Hua Lee(3) Ryukyu-Taiwan
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Pa0 Hua LeeTable 2. Major Earthquak
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248 Pao Hua LeeTable 2. (Continued
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250 Pao Hua Lee‘. . . an earthqua
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252 Pao Hua LeeREFERENCESCentral We
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254 S. Prac h ua b21I151 O0IFigure
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256 S. PrachuabTable 1. 12 Seismic
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258 S. Prac h u a bTable 2. (Contin
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260S. Prachuab94" 96" 98" 1 ooo2ac2
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262 S. Prachuab.17 MAY 1955EMrliCUA
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:;13264 S. Prachuab0 .me.0 . .eeee0
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266 S. Prac hua b005 6 7MAGNITUDEFi
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268 T. R. Toppozada, C. R. Real, an
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2 72 T. R. Toppozada, C. R. Real, a
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STUDY OF HISTORICAL EARTHQUAKES IN
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278 Tatsuo Usarni(3) Documents publ
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280 Tatsuo Usarnin5nlob0D KyotoKama
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282 Tatsuo Usami:.:.., ........ L,/
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284 Tatsuo Usami(2) A tsunami attac
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286 Tatsuo Usami1897lntenrLFigure 6
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~ ~~~~288 Tatsuo UsamiTable 4. Occu
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290 R. G. Valenzuela and L. C. Garc
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n09n08n001NoZlNobIn091n081N 002
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~ ~~294 R. G. Valenzuela and L. C.
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296 R. G. Valenzuela and L. C. Garc
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298 R. Muir Wood, G. Woo, and H. Bu
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MAGNITUDE-FAULT LENGTH RELATIONSHIP
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APPLICATIONS OF FUZZY MATHEMATICSIN
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Applications of Fuzzy Mathematics 3
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Applications of Fuzzy hluthematics
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ON THE SEISMICITY OF THE MIDDLEASTS
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uca,m a,kma,.IY kfi30 uhd
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On the Seismicity of the Middle Eas
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On the Seismicity oj the Middle Eas
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HISTORICAL SEISMICITY AND EARTHQUAK
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Historical Seismic it y and Earthqu
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fIistorica1 Seismicity and Earthquu
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Historical Seismicity and Earthquak
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PATTERN ANALYSIS OF SMALL EARTHQUAK
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Pattern Analysis of Small Earthquak
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Earthquakes and Deep Fracture Zones
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--_-Earthquakes and Deep Fracture Z
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HISTORICAL SEISMOGRAM FILMING PROJE
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~~Historical Seismogram Filming Pro
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Historical Seismogram Filming Proje
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Historical Seismogram Filming Proje
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Filming Seismograms and Related Mat
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Digitization and Processing of J.M.
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SOME REMARKS ON HISTORICAL SEISMOGR
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Historical Seismograms and the Micr
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~~~~Historical Seismograms and the
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His torical Se is mogru ms and the
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Historical Sezs mogra ms and the Ma
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H1s t o rical Seismograms a nd the
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Historical Seismograms in China 42
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424 Kezin Qua History of Chinese Se
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428 Kexin Qu8. Plans for the Near F
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430 0. Ye. Starovoita station, its
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DAT ANDTHE STANDARDIZATION OF SEISM
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434 Y. Tamura, H. Sasaki, M. Ooe, a
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~ So.i436 Y. Tarnura, H. Sasaki, M.
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438 Y. Tarnura, H. Sasaki, M. Ooe,
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440 Yasuhiro Umeda and Katsuyoshi I
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442 Yasuhiro Umeda and Katsuyoshi I
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HISTORICAL SEISMOGRAMS IN ITALYR. C
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Historical Seismograms in Italy 449
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HISTORICAL SEISMOGRAMS FROM AUSTRAL
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His to rical Se is mog ra ms From A
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SEISMOGRAMS MADE BEFORE 1963 AT STA
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2. New ZealandSeismograms Before 19
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Seismograms Before 1963 in the Sout
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Seismograms Before 1963 in the Sout
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Historical Seismograms Recorded in
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Hist orieal Se is mograms Reeo rded
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THE HISTORICAL SEISMOGRAMS OF COLOM
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The Historical Seismograms of Colom
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Helwan Historical Seismograms 475Al
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Se is mo log ic a1 Mea s use me n t
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Seismological Measurement an Hong K
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A BRIEF HISTORY OF THE SEISMOLOGICA
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History of the Seismological Observ
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~~ ~ ~ ~~ ~ ~~Historical Seismogram
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494 Sergio S. Su, S. J.Figure S. Se
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496 Sergao S. Su, S. J.Figure 7. Ce
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498 K. L. SuendsenDominican Republi
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INDEXAAbuyama Seismological Observa
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Index 503China, see also Taiwan466
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Indez505HIHalin seismograph, 421Haw
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Index 507Karuizawa, 417Kobe, 117, 1
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Index 509PPacific Ocean1943 Malpelo
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Index 511Sri Lanka, Colombo station
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Index 513Wood-Anderson seismographW
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