Fundamental Ideas

Time-scale of active faulting and related disciplines


Original diagram by Kasahara [1981]

Time-predictable model of recurring earthquakes


On assumption of characteristic earthquakes

First paragraph of Herodotus' History


Hude, C. ed., Herodoti Libri I-IV, Oxford 1908

Here Herodotus declares that the purpose of this book is not to have the great deeds and the cause of the conflict between Persians and Greeks forgotten in the course of time. Similarly, we need history of earthquakes badly for the sake of our own welfare. Our historic record as well as those excavated from under the ground should carefully be examined for correctness and precision.

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26 October 1996