History of early isoseismal maps

Varga, P. (2008) History of early isoseismal maps. Acta Geodaetica et Geophysica Hungarica, 43 (2-3). pp. 285-307. ISSN 1217-8977

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Abstract

The first scientific tools of earthquake investigations were provided by isoseismic maps. The present paper describes the formation and development of cartographic representation of macroseismic information. Study of old isoseismal maps is of importance in assessing the earthquake hazard. Unfortunately there are only few well documented events prior the epoch of instrumental seismology for which the earthquake parameters (i.e. magnitude, focal depth) and tectonic position can be estimated. In the same time important steps forward in development of seismology (e.g. use of time observations, seismic speed determinations, use of geological information, birth of engineering seismology) are connected with attempts of representation of macroseismic data on maps.

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