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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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52 E. Hurtig and G. KowalleFRG'.L.-.ii\i,IG Dg;.,*'----POT SDAM(1902)R0 LElPZlG(1902)5iFigure 1. Seismological stations operating early in <strong>the</strong> 20th Century, and now in <strong>the</strong>territory of <strong>the</strong> GDR.Table 1. Seismological Stations in <strong>the</strong> Territory of <strong>the</strong> GDRat <strong>the</strong> Beginning of <strong>the</strong> 20th CenturyStation Start date InstrumentationPotsdam April 1, 1902 v . Reb eur-Paschwit z (horizont a1 pendulum)October 13, 1903 Wiechert 1100 kg, EW, NSJena May 1900-1902 Reubeur-Ehlert (horizontal pendulum)InterruptionApril 1905 Wiechert 1200 kg NS, EWStraubel (vertical seismometer)Leipzig March 1902 Wiechert 1100 kg, NS, EWPlauen July 27, 1905 Wiechert 200 kg, NS

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