Tectonic and earthquake risk zoning

Date
1965
Description
Quaternary tectonic deformation in New Zealand shows a north-east trend, and this is also shown by historic deformation and earthquakes. A study of Quaternary deformation shows that zones of relative frequency of tectonic movement can be inferred and related to a common median axis. Where tectonic activity is most frequent, destructive earthquakes are expected to be most frequent. Conversely, where tectonic activity is least frequent, destructive earthquakes are expected to be least frequent. With this as a basis, together with a knowledge of the distance to which destructive effects extend from earthquakes of particular magnitudes, zones of earthquake risk are suggested. These are zones of relative frequency of destruction from earthquakes, not of absolute liability to destruction; the boundaries are necessarily somewhat arbitrary as each grades into the next. (auth)
Source
Transactions of the Royal Society of New Zealand. General Section 1(10), 113-126, 1965
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