Many of them question whether cultural phenomena, including destruction layers, cultural-piercing features (man-made structures displaced by surface rupturing, e.g. viaducts), structural damage to buildings, indications of repairs, historical accounts and myths can be reliably used as earthquake indicators.

UNESCO: Tales set in Stone: learning from ancient earthquakes

Topography: configuration of a surface including its relief and the position of its natural and man-made features.

UNESCO: L O S S A R Y

The researchers specifically rejected any assumption that the 1995 increase of hurricane activity was related to any global surface temperature increases over the past century that might be ascribed to anthropogenic (man-made) greenhouse gases.

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