The 1964 Alaska earthquake, also known as the Great Alaskan Earthquake, the Portage Earthquake and the Good Friday Earthquake, was a megathrust earthquake that began at 5:36 P.M. AST on Good Friday, March 27, 1964. Across south-central Alaska, ground fissures, collapsing buildings, and tsunamis resulting from the temblor caused about 131 deaths.
The 2004 Indian Ocean earthquake was an undersea earthquake that occurred on 12/ 26/ 04 with an epicentre off the west coast of Sumatra, It triggered a devastating tsunamis along the coasts of most landmasses bordering the Indian Ocean, killing over 230,000 people in fourteen countries with waves up to 30 meters (98 ft) high. It's duration was a record-breaking 10 minutes. It caused the entire planet to vibrate 1 centimetre (0.4 inches) and triggered other earthquakes as far away as Alaska.