Necesidad de la revisión de los estudios de amenaza sísmica a raíz del sismo de Tohoku de 2011

Abstract

This paper discusses the need for reviewing and updating the seismic hazard studies in Colombia following the catastrophic effects of the Tohoku earthquake March 11th, 2011 in Japan, knowing that: a)Insufficient seismological instrumentation Colombia; b) InsufÞ cient information on active fault lines; c) Lack of implementation in the area of the tsunami, in spite of having suffered several in the twentieth century, especially the magnitude Mw = 8.8 of January 31, 1906; d) The Colombian earthquake-resistant construction standard isnot conservative; e) Results of research show pga values greater than the current standard.

Keywords

• Threat
• Earthquake
• Tohoku.