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

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250 Pao Hua Lee‘. . . an earthquake, the most severe ever experienced on the island sincethe first day of the Dutch, . . . It occurred on the 18th of December 1867,and the vicinity of the town of Kelung sustained the greatest damage, . . .Foreigners in the Custom service reported that at Kelung about 15 shockswere felt during the day, but that it was the first movements that causedthe damage. In 15 seconds after the first perceptible shock the damage wasdone, and the town of Kelung was in ruins. The force of the earthquakemay be judged when it is noted that the water of Kelung Harbor ranout, leaving the bottom of the bay exposed. Fortunately, there were noforeign vessels present, but the Chinese junks that were there, large andsmall, were in one second left dry on the bottom and in another, weredashed into the town with fearful speed to work havoc on the remaininghouses left near the shore. Multitudes of fish were thrown upon the shoreand were promptly gathered by the populace . . . The number of lives lostis unknown. It is doubtful if a count was made, but probably severalhundred perished . . .” [Note: ‘Kelung’ is now spelled ‘Keelung’.]Another tsunami occurred in 1917. On east coast of Taiwan, its wave height wasreported 3.7 meters, but there was no damage description.4. Historical SeismogramsThe Central Weather Bureau has retained about 350,000 seismographic recordssince 1897. The oldest records in existence, though not complete, are of 1929 comingfrom Wiechert seismographs. Seismograms earlier than 1929 were all lost.By 1987, all seismograms in the Central Weather Bureau will be photographicallyreproduced in microfilm for archives. Now, there are 20,000 records of Taipeiseismographs from 1956 to 1982 which have been put into microfiche already. Thesize of the above mentioned microfiche is 10 x 15 cm containing 6 images that canbe enlarged 22 times for reading. Each microfiche includes the information such astime, station name, type of seismograph and its reduction rate. All these recordsare arranged by station, year, and type of seismograph in archives.For user’s easy access, an index will be provided and when all seismograms havebeen microfilmed, a catalog will be accordingly made. For international data exchange,we will prepare a duplicate copy set to supply World Data Center A.5. Discussion and ConclusionsSince 1897, 73 significant disastrous earthquakes have occurred in Taiwan areaaccording to records at CWB. Among them are 19 major earthquakes, those havingmagnitudes of 7.0 or larger. Forty-four of the 73 earthquakes occurred on land, and29 occurred on west Taiwan (see Figure 4). Although most of the earthquakes haveoccurred in the east region of Taiwan, a mountainous area with few inhabitants,earthquakes in the west region have been more damaging to life and property.Therefore, earthquake risk is higher in the west than in the east. Earthquake riskis especially high in the Chaiyi-Tainan area, and moderately high in the areas ofHwalien-Ilan and Taitung-Lanyu.
Historical Earthquakes and the Seismograms in Taiwan2512c1 1;- 112:263 5 . 0 eM 6 6 . 0)6.0*Me7.0c2:42572'00242.2302L0222I' 21Figure 4. Epicenter distribution of disastrous earthquakes in Taiwan, 1897 to 1984.The CWB has established a remote seismic recording system, which uses a VAX11/750 computer for data processing and studies. This system was set up to enhancethe scientific study of earthquakes in Taiwan, and to furnish the public with accurateseismic information to reduce the loss of life and property from severe earthquakes.Both the quality and quantity of earthquake data will be therefore improved.The historical seismograms are going to be microfilmed for archiving. From 1956to 1982,20,000 records microfilming of the Taipei seismographs have been completedin June 1985. When completed, CWB will publish a catalog of records availableand will exchange seismic data with other countries.
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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.
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IMPORTANCE OF HISTORICAL SEISMOGRAM
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18 Hiroo KanamoriTable Ib. Some Lar
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-60'1 1904-1985-M, >8.01II\I'.iPlus
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22 Hiroo Kanamorievents often have
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~~~24 Hiroo KanamoriThatcher et al.
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26 Hiroo Kanamo riIf relatively com
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28 Hiroo Kanamori9. Difficulties in
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30 Hiroo KanamoriNagamune, T. (1971
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32 Hiroo KanamoriI I I I I1000100z
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11. Analysis of Historical Seismogr
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38 Kat su y uki A beaddition to thi
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42 Katsuyuki Abe20:oow19:302-I--Ia
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44 Katsuyuki AbeIn the present stud
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46 Katsuyuki AbeTable 3. Sinkiang E
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~48 Katsuyuki AbeSieh (1978) and ot
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50 Katsuyuki AbeREFERENCESAbe, K. (
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52 E. Hurtig and G. KowalleFRG'.L.-
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54 E. Hurtig and G. Kowalle2.2 Reco
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56 E. Hurtig and G. KowalleREFERENC
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58 N. V. Kondorskaya and Yu. F. Kop
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THE STATUS, IMPORTANCE, AND USE OFH
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66 Ota Kulhdnek1 8 35lo. r 1s ' 20
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68 Ota Kulhdnek1 UPP EW SEP 9 1954
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ANALYSIS OF HISTORICAL SEISMOGRAMS
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72 S. K. Singhfrom Uppsala. We also
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74S. K. SinghN1 1Oaxaca-X .-x x- x
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76S. K. SinghESKUPPWIECHERT ELPZ A-
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78 S. K. SinghJdFJ-22 Feb 1943Ms=7.
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80 S. K. SinghDE BlLT (DBN) Z$I = 3
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82 S. K. Singh7. The Great Jalisco,
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84 S. K. SinghREFERENCESAbe, K. (19
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86 S. Stein, E. A. Okal and D. A. W
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94S. Stein, E. A. Okal and D. A. Wi
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96S. Stein, E. A. Okal and D. A. Wi
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100 S. Stein, E. A. Okal and D. A.
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RECENT ACTIVITIES AT THE INTERNATIO
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S.S. Felt and Damaging EarthquakesI
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In t e r na tio n a1 Se is mo logic
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1. IntroductionCatalogue of Chinese
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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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Page 214 and 215: 200 N. N. Ambraseys and C. P. Melvi
Page 216 and 217: 202G. E. Fiedler B.FI1 IFigure 1. T
Page 218 and 219: 204 G. E. Fiedler B.Figure 3. The S
Page 220 and 221: 206 G. E. Fiedler B.Origin time Epi
Page 222 and 223: EVALUATION OF DAMAGE AND SOURCE PAR
Page 224 and 225: 2 10 D. Muiioz and A. Udias3. Evalu
Page 226 and 227: 212 D. Muiioz and A. Udias3 wFigure
Page 228 and 229: 2 14 D. Mun"oz and A. Udiasgiven by
Page 230 and 231: 216 D. Muioz and A. UdiasTable 2. D
Page 232 and 233: 218 D. Munot and A. UdiasGentil, P.
Page 234 and 235: 220 D. Muiioz and A. UdiasArchivo M
Page 237: V. Earthquake History
Page 240 and 241: 226 M. DeBecker and T. CamelbeeckAt
Page 242 and 243: ~~228 M. DeBecker and T. Camelbeeck
Page 244 and 245: 230 M. DeBecker and T. Camelbeeek10
Page 246 and 247: DOCUMENTING NEW ZEALAND EARTHQUAKES
Page 248 and 249: 234 G. A. EabyFrom a seismic point
Page 250 and 251: 236 G. A. EibyImmediate practical p
Page 252 and 253: 238 G. A. Eibynorth-west; but subsi
Page 254 and 255: 240 G. A. Eibywith near-earthquake
Page 256 and 257: 242 Pao Hua Lee120 121 122 123Figur
Page 258 and 259: 0.3244 Pao Hua Lee(3) Ryukyu-Taiwan
Page 260 and 261: Pa0 Hua LeeTable 2. Major Earthquak
Page 262 and 263: 248 Pao Hua LeeTable 2. (Continued
Page 266 and 267: 252 Pao Hua LeeREFERENCESCentral We
Page 268 and 269: 254 S. Prac h ua b21I151 O0IFigure
Page 270 and 271: 256 S. PrachuabTable 1. 12 Seismic
Page 272 and 273: 258 S. Prac h u a bTable 2. (Contin
Page 274 and 275: 260S. Prachuab94" 96" 98" 1 ooo2ac2
Page 276 and 277: 262 S. Prachuab.17 MAY 1955EMrliCUA
Page 278 and 279: :;13264 S. Prachuab0 .me.0 . .eeee0
Page 280 and 281: 266 S. Prac hua b005 6 7MAGNITUDEFi
Page 282 and 283: 268 T. R. Toppozada, C. R. Real, an
Page 286 and 287: 2 72 T. R. Toppozada, C. R. Real, a
Page 290 and 291: STUDY OF HISTORICAL EARTHQUAKES IN
Page 292 and 293: 278 Tatsuo Usarni(3) Documents publ
Page 294 and 295: 280 Tatsuo Usarnin5nlob0D KyotoKama
Page 296 and 297: 282 Tatsuo Usami:.:.., ........ L,/
Page 298 and 299: 284 Tatsuo Usami(2) A tsunami attac
Page 300 and 301: 286 Tatsuo Usami1897lntenrLFigure 6
Page 302 and 303: ~ ~~~~288 Tatsuo UsamiTable 4. Occu
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Page 308 and 309: ~ ~~294 R. G. Valenzuela and L. C.
Page 310 and 311: 296 R. G. Valenzuela and L. C. Garc
Page 312 and 313: 298 R. Muir Wood, G. Woo, and H. Bu
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300 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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