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

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

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His to rical Se is rn ograms in Be lg iu m 229Table 4. Period and Amplitude Data for <strong>the</strong> Earthquake of 11 June 1938Station Dist. Instr. Av TV AE TE AN TN AMs(km) (Pm) (set) (Pm) (set) (Pm) (set)Paris 233 170 1.1 70 1.1 0.0Bochum 266 52 1.3 49 1.3 0.0Kew 282 WA 74 * 73 * -0.1Strasbourg 388 w 53 3.5 80 2.8 98 3.2 -0.1Karlsruhe 400 42 1.7 72 2.5 27 2.5 -0.2Gijttingen 453 W 12.5 2 13 2 +0.1S t u t t gart 461 G 22.5 3 21 4 +0.1Bgle 463 Q 14.5 1.6 19.5 1.6 40.5 1.9Zurich 526 Q 13.5 * 11.5 1.7 -0.1Hambourg 533 W 8.3 3.6 18 4.4 24 3.6 -0.3Jena 562 W 8.5 2.1 10 2.5 $0.2Edinburgh 721 M 12.8 4.0Vienne 966 W 17 3.3 21 3.3 -0.1Instruments: WA = Wood-Anderson; W = Wiechert; G = Galitzin; Q = Quervain-Picard; M = Milne-Shaw. The symbol ( * ) indicates that <strong>the</strong> period of ground motion isunreadable. (Av, Tv), (AN, TN), (AE, TE) are <strong>the</strong> amplitudes and periods read on <strong>the</strong>vertical, north-south and east-west components of <strong>the</strong> seismograms.Table 5. T(A) for LgHA' I 1-2 3 4 5-6 7-8 9-12 13-19 20-30 30-50 50-80 80--120T (sec) I 1 1.5 2 3 6 8 10 12 15 18 205.6 F5.4MS5.2HMSaa5.0I I I I 1 .0 200 400 600A CKM)Figure S. Dispersion of <strong>the</strong> mbLg- and Ms-values.

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