The irregular occurrence of the second group does not imply that they are not foreseeable —it is commonly accepted that all disasters have a certain degree of foreseeability, which is mainly dependent on historically constructed social processes which are peculiar to the communities affected by those disasters.
Sin embargo esto no indica que algunos de ellos no pudieran ser previsibles, ya que se acepta que todos los desastres pueden tener cierto grado de previsibilidad, esto dependerá fundamentalmente de procesos sociales e históricamente construidos en las comunidades afectadas por los desastres.