THE BIRTH OF MODERN SEISMOLOGY IN THE NINETEENTH AND TWENTIETH CENTURIES Author(s): Johannes Schweitzer Source: Earth Sciences History , 2007, Vol. 26, No. 2 (2007), pp. 263-279 Published by: History of Earth Sciences Society Stable URL: https://www.jstor.org/stable/24138817 REFERENCES Linked references are available on JSTOR for this article: https://www.jstor.org/stable/24138817?seq=1&cid=pdf- reference#references_tab_contents You may need to log in to JSTOR to access the linked references. JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact
[email protected]. Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at https://about.jstor.org/terms is collaborating with JSTOR to digitize, preserve and extend access to Earth Sciences History This content downloaded from 86.59.13.237 on Thu, 08 Jul 2021 13:58:01 UTC All use subject to https://about.jstor.org/terms THE BIRTH OF MODERN SEISMOLOGY IN THE NINETEENTH AND TWENTIETH CENTURIES Johannes Schweitzer NORSAR, P.O. Box 53, N-2027 Kjeller, Norway (
[email protected]) ABSTRACT The earliest seismic instruments were seismoscopes, which could only indicate that a ground shaking had occurred. Modern seismology started in the late 19th century when, mostly in Italy, Japan, Russia, and Germany, seismic instruments were developed, which were able to record ground movements as function of time and orientation.