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Lisbon, Portugal Tsunami
Date: November 1, 1775
Location: West Coast of Portugal (Tsunami waves that crossed the Atlantic Ocean amplified to heights of about 7 m in the West Indies.)
Magnitude of Earthquake: M9
Cause: Faulting of the seafloor along the tectonic plate boundaries of the mid-Atlantic.
Death tolls: Killed approximately 20,000 people -
Period: to
Top 11 Most Deadly Earthquakes Throughout History
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Eruption of Krakatoa volcano Tsunami
Date: August 26, 1883
Location: Krakatoa, volcano on Rakata Island in the Sundra Strait between Java and Sumatra, Indonesia.
Magnitude of Earthquake: Not cause by an Earthquake
Cause: Violent explosion of Krakatoa volcano cause the top of the volcano to collapse into the ocean.This sudden collapse produced a giant tsunami more than 35 m high
Death Trolls: More than 36,000 people died -
Aleutians (Alaska) Tsunami
Date: April 1, 1946
Location: The Hawaiian Islands
Magnitude of Earthquake: M8.1
Cause: In 1946 Aleutian Islands earthquake occurred near the Aleutian Islands
Death tolls: About 160 people died -
Chile Earthquake Tsunami
Date: May 22, 1960
Location: Across the Pacific in Hawaii
Magnitude of Earthquake: M9.5
Cause: A sudden breaking in the rocks along a roughly 560–620-mile stretch of the Nazca Plate
Death tolls: 61 people died -
Alaska Earthquake Tsunami
Date: March 27, 1964
Location: In Alaska and California.
Magnitude of Earthquake: M9.2\
Cause: A subduction zone lies just offshore, where the Pacific Ocean plate scrapes under the continental plate of mainland Alaska
Death tolls: Killed about 130 people -
Earthquake in the Sea of Japan Tsunami
Date: 12 July 1993
Location: The Okushiri coastline and the central west coast of Hokkaido
Magnitude of Earthquake: M7.8
Cause: Rupture occurred on a fault that dipped at 24 degrees to the east
Death tolls: Kill around 120 people -
Papua New Guinea Earthquake Tsunami
Date: 17 July 1998
Location: The Aitape tsunami struck the north coast of New Guinea island in West Sepik Province
Magnitude of Earthquake: M7.1
Cause: Scientists determined that a submarine landslide generated by the earthquake triggered the tsunami.
Death tolls: Killed more than 2100 people -
Sumatra Earthquake Tsunami
Date: December 26, 2004
Location:150 miles from the coast of Sumatra Island, on the northwest of the Indonesian island group, and 31 miles below the ocean floor.
Magnitude of Earthquake: M9.1
Cause: Vertical displacement of the seafloor, in response to slip on the inter-plate thrust fault
Death tolls: Killed about 230,000 people -
Samoa Earthquake Tsunami
Date: September 29, 2009
location: Midway between Samoa and American Samoa, a U.S. territory.
Magnitude of Earthquake: M9.1
Cause: Normal and thrust faulting triggered a tsunami
Death tolls: killed about 200 people -
Chile Earthquake Tsunami
Date: February 27, 2010
Location: Off the coast of south-central Chile.
Magnitude of Earthquake: M8.8
Cause: The fault slip the ocean floor
Death tolls: Killed about 700 people -
Japan Earthquake Tsunami
Date: March 11, 2011
Location: Off the northeastern coast of Honshu, Japan's main island
Magnitude of Earthquake: M9.1
Cause: Thrust faulting on the subduction zone plate boundary between the Pacific and North America plates
Death tolls: Killed over 20,000 people