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The magnitude 9.5 earthquake of 22 May 1960, the largest earthquake ever recorded, generated one of the most destructive tsunamis of the 20th century. The tsunami spread across the Pacific Ocean, with waves measuring up to 25 metres (82 ft) high in places.
Diagram of the 1958 Lituya Bay megatsunami, which proved the existence of megatsunamis. A megatsunami is a very large wave created by a large, sudden displacement of material into a body of water. Megatsunamis have different features from ordinary tsunamis. Ordinary tsunamis are caused by underwater tectonic activity (movement of the earth's ...
Movement on normal (extensional) faults can also cause displacement of the seabed, but only the largest of such events (typically related to flexure in the outer trench swell) cause enough displacement to give rise to a significant tsunami, such as the 1977 Sumba and 1933 Sanriku events.
List of natural disasters by death toll. Global multihazard mortality risks and distribution (2005) for cyclones, drought, earthquakes, floods, landslides, and volcanoes (excluding heat waves, snowstorms, and other deadly hazards). A natural disaster is a sudden event that causes widespread destruction, major collateral damage, or loss of life ...
2006 Kuril Islands earthquake and tsunami – magnitude 8.3 earthquake, no injuries or fatalities anywhere; 2009 Samoa earthquake and tsunami – magnitude 8.0 earthquake with an epicenter 120 miles (190 km) southwest of American Samoa generated tsunami waves up to 16 feet (5 m), killing 34 people in American Samoa and causing extensive damage [38]
1877 Iquique. On 10 May 1877 at 0:59 UTC, a magnitude 8.5 earthquake occurred near Iquique, Peru (now Chile). The resulting tsunami reached New Zealand's eastern coastline between 7 and 8 am NZDT on 11 May. The wave had a reported 1–2-metre height in most places and impacted the coast from the Bay of Islands to Bluff.
The following is a summary of significant earthquakes during the 21st century. In terms of fatalities, the 2004 Indian Ocean earthquake was the most destructive event with 227,898 confirmed fatalities, followed by the 2010 Haiti earthquake with about 160,000 fatalities, [ 2] the 2008 Sichuan earthquake with 87,587 fatalities, the 2005 Kashmir ...
List of earthquakes in Japan. Earthquakes M5.5+ around Japan (1900–2016) M7.0–7.9=163 EQs, M8.0+=14 EQs. [ 1] This is a list of earthquakes in Japan with either a magnitude greater than or equal to 7.0 or which caused significant damage or casualties. As indicated below, magnitude is measured on the Richter magnitude scale ( ML) or the ...