Impact on Society California Earthquakes Japan Peru 2011 Tsunami 20th Century Events 2011 Japan Earthquake Tsunami Events 20th Century Earthquakes Taiwan Earthquakes San Francisco Earthquake 1906 California History Comparative Analysis 20th Century Historical Events Impact of Earthquakes Kamchatka Earthquakes Historical Earthquakes Tsunamis Mexico Impact on Regions 1985 Mexico Earthquake 1946 Nankai Trough Earthquake Philippines Afghanistan 2011 Tōhoku Earthquake Tohoku Earthquake 1974 Lima Earthquake Balochistan Earthquakes Balochistan 2011 Earthquake Impact on Communities Turkey 2004 Tsunami 2004 Sumatra-Andaman Earthquake 1960 Valdivia Earthquake Loma Prieta Earthquake 2015 Nepal Earthquake 1985 Mexico City Earthquake Pacific Region 1952 Kamchatka Earthquake Casualties