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

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348 H. N. Sn'vastava and S. K. DasAPPENDIX. ContinuedDateLocationIntensityReference1892 May 6 MadrasFelt at Chingleput.1896 Apr 30 BombayMat heranLonavla1897 Jun 22 11 people died in Berhampore1897 Jul 8 Berhampore111 STMTO1I1 TO1111111VII STMI11 STMNotes:(1) Felt at Virumgam and Deesa. Felt over western Rajputana and western position ofNarmada Valley. (2) TO1 and STM refer to Timea of India and Statesman respectively.
PATTERN ANALYSIS OF SMALL EARTHQUAKES ANDEXPLOSIONS RECORDED AT SHASTA, CALIFORNIARobert A. UhrhammerSeismographic Station, University of California, BerkeleyBerkeley, California 94720ABSTRACTSeismograms recorded by the three-component short-period seismographsat Shasta Dam, California (SHS; 1951-1963) are analyzed for:1) rate and distribution of seismicity; 2) characteristic patterns whichidentify small explosions; and 3) patterns of the distribution and orientationof earthquake foci. The high quality SHS station preceded theinstallation of a network of stations in the area by 40 years and localevents (within 50 km) were recorded at a rate of approximately one perweek. This study was conducted, in part, to determine how much informationcan be obtained from detailed analysis of records from a singlethree-component station.The local seismicity is 4.2 earthquakes (ML 3 2.5) per year per 10,000square kilometers. The seismicity is not uniformly distributed and therate increases towards the Cascade Mountains to the northeast.Small man-made explosions are identified, with approximately 99 percent reliability, by the characteristic pattern of a relatively low-frequencymaximum trace amplitude. The dominant frequency of the maximumtrace amplitude is 2.9 Hz for explosions and 8.9 Hz for earthquakes.Patterns in the distribution of earthquake foci indicate that: 1) thesource depths are, for the most part, shallow (10-20 km); 2) the dominantmechanism is strike-slip with the tension axis oriented N 73' W; 3) few,if any, earthquakes occur within the Great Valley region; and 4) a fewearthquakes in the Cascade Mountains may originate at a depth of 30 kmor more.1. IntroductionThe University of California Seismographic Stations operated a high-magnificationthree-component short-period Benioff seismograph at Shasta Dam, California(SHS: 40'41.7' N, 122'23.3' W, 312 m elevation) from July 1952 until the stationwas closed in May 1963. SHS recorded many small man-made explosions andearthquakes which occurred in the vicinity of Lake Shasta.The purpose of this paper is three-fold. First, to determine the characteristics ofthe seismicity in a geologically complex region of northern California in the vicinityof Lake Shasta (300 km north of San Francisco) in order to estimate, in part, theprobability and rate of earthquake occurrence. Second, to determine characteristicpatterns on the seismograms that will readily identify explosive sources in the region.Third, to determine the general characteristics of the local seismicity from detailedanalysis of seismograms recorded at a single station. Extraction of a maximumamount of information is necessary in regions that axe without dense seismographicnetworks (Uhrhammer, 1982).Historical Seismogramsand Earthquakes of the World349Copyright CS, 19x8 by Academic Press, Inc.All rights of reproduction in any form rewved.
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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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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
Page 312 and 313: 298 R. Muir Wood, G. Woo, and H. Bu
Page 323 and 324: MAGNITUDE-FAULT LENGTH RELATIONSHIP
Page 325 and 326: APPLICATIONS OF FUZZY MATHEMATICSIN
Page 327 and 328: Applications of Fuzzy Mathematics 3
Page 333 and 334: Applications of Fuzzy hluthematics
Page 335 and 336: ON THE SEISMICITY OF THE MIDDLEASTS
Page 337 and 338: uca,m a,kma,.IY kfi30 uhd
Page 339 and 340: On the Seismicity of the Middle Eas
Page 347 and 348: On the Seismicity oj the Middle Eas
Page 349 and 350: HISTORICAL SEISMICITY AND EARTHQUAK
Page 351 and 352: Historical Seismic it y and Earthqu
Page 353 and 354: fIistorica1 Seismicity and Earthquu
Page 355 and 356: Historical Seismicity and Earthquak
Page 361: Historical Seismicity and Earthquak
Page 365 and 366: Pattern Analysis of Small Earthquak
Page 377 and 378: Earthquakes and Deep Fracture Zones
Page 379 and 380: --_-Earthquakes and Deep Fracture Z
Page 381 and 382: Earthquakes and Deep Fracture Zones
Page 383: Earthquakes and Deep Fracture Zones
Page 387 and 388: HISTORICAL SEISMOGRAM FILMING PROJE
Page 389 and 390: ~~Historical Seismogram Filming Pro
Page 391 and 392: Historical Seismogram Filming Proje
Page 393 and 394: Historical Seismogram Filming Proje
Page 395 and 396: Filming Seismograms and Related Mat
Page 405 and 406: Digitization and Processing of J.M.
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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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