2011 Tōhoku earthquake and tsunami the most popular examples of sonification on the web. Also, following the earthquake, for the first time in Japanese history, the Emperor addressed the nation in a pre-recorded television broadcast. Seismologists anticipated a very large quake would strike in the same place as the 1923 Great Kantō earthquake — in the Sagami Trough, southwest of Tokyo. The Japanese government had tracked plate movements since 1976 in preparation for the so-called Tokai earthquake, predicted to take place in that region. However, occurring as it did north east of Tokyo, the Tōhoku earthquake came as a surprise to seismologists. While the Japan
2010 Chile earthquake the west. Several cities south of Cobquecura were also raised, by up to 3 meters. The maximum recorded peak ground acceleration was at Concepcion, with a value of 0.65 "g" (6.38 m/s). This was the strongest earthquake affecting Chile since the magnitude 9.5 1960 Valdivia earthquake (the most energetic earthquake ever measured in the world), and it was the strongest earthquake worldwide since the 2004 Indian Ocean earthquake and until the 2011 Tōhoku earthquake. It is tied with the 1906 Ecuador–Colombia and 1833 Sumatra earthquakes as the sixth strongest earthquake ever measured, approximately 500 times more powerful than the 7.0