Natural Disasters By davinhart Dec 16, 1575 Valdivia Chile Earthquake The earthquake had a magnitude of 9. Jun 11, 1585 Pacific Ocean Aleutian Island Earthquake This earthquake had an estimated magnitude of 9.25. Nov 24, 1604 Arica Chile Earthquake This earthquake was an estimated magnitude of 9 and caused an tsunami that effect 1200 km of coastline Jul 8, 1730 Valparaíso Chile Earthquake The Valparaíso Earthquake happen 4:45 local time had a estimated magnitude of 9.1-9.3 that triggered a 8.7 magnitude tsunami. Oct 17, 1737 Kamchatka Peninsula Russian Empire Earthquake This earthquake struck roughly 40 km under ground and had an estimated magnitude 9-9.3 Nov 17, 1837 Valdivia Chile Earthquake This earthquake has an estimated magnitude of 8.8-9.5. The earthquake was so large people felt it in 3 different cities Concepción, Valdivia and Ancud. May 22, 1960 Valdivia, Chile Earthquake This earthquake was the largest earthquake ever recorded with a magnitude of 9.4-9.6 Mar 27, 1964 Prince William Sound Alaska Earthquake On March 27, 1964 a earthquake hit with a magnitude which is the second largest ever recorded with a 9.2. The earthquake happen approximately 25 km bellow ground. Dec 26, 2004 Indian Ocean, Sumatra Indonesia Earthquakes This earthquake had a magnitude of 9.1 which triggered a tsunami with multiple 100 foot waves that killed more than a 100,000 people Mar 11, 2011 Pacific Ocean Tohoku Region Japan Earthquake March 11, 2011 Japan experience the strongest earthquake in it's history with a magnitude of 9.1. This earthquake cause 19,759 casualties.