Seismic performance

Ancient builders believed that earthquakes were a result of wrath of gods (in Greek mythology, e.g., the main "Earth-Shaker" was Poseidon) and, therefore, could not be resisted by humans.

Nowadays, the people's attitude has changed dramatically though seismic loads, sometimes, exceed ability of a structure to resist them without being broken, partially or completely.Earthquake Performance Evaluation Tool Online (EPETO) 

Related pages
 Richter scale
 Tsunami
 Volcano

 Notes 

Category:Earthquake engineering