The Share of Landslides in the Occurrence of Natural Hazards and the Significance of El Nino in the Cordillera Blanca and Cordillera Negra Mountains, Peru
Various types of natural hazards are often compared, in terms of danger or frequency of recurrence. During the 1971-2009 period, the most frequent type of natural hazard in the Ancash Department was alluvion (a local term for debris flow).