Abstract

A catalog of major Chilean earthquakes (magnitude presumed greater than 7.5) is presented. This catalog is abstracted from a punched-card list of Chilean earthquakes with over 15,000 entries. Each event is accompanied by a description of effects, including tsunami observations, and estimates of epicentral location and magnitude. Major earthquakes in Chile occur in a small number of source areas. These are aligned offshore and along the range faults between the Coast Range and the Central Valley. In the Central Chile region, between Valparaiso and Concepcion, major earthquakes occur chiefly inland. From Concepcion to the south the major epicenters occur offshore. Each focal area produces a predictable pattern of seismic and tsunami effects.

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