How many tsunamis have happened in the Indian Ocean?
Abstract and Figures. A catalog of about ninety tsunamis in the Indian Ocean has been prepared from 326 BC to 2005 AD. In the nineteenth and twentieth centuries tsunamis have occurred once in three years or so. Sunda Arc is the most active region that has produced about seventy tsunamis.
What happened during the Indian Ocean tsunami?
A powerful earthquake off the coast of Sumatra, Indonesia, on December 26, 2004 sets off a tsunami that wreaks death and devastation across the Indian Ocean coastline. The quake was the second strongest ever recorded and the estimated 230,000 dead made this disaster one of the 10 worst of all time.
How long did the Indian Ocean tsunami last?
The 2004 quake ruptured a 900-mile stretch along the Indian and Australian plates 31 miles below the ocean floor. Rather than delivering one violent jolt, the quake lasted an unrelenting 10 minutes, releasing as much pent-up power as several thousand atomic bombs.
How much did the Indian Ocean tsunami cost?
An astonishing roughly quarter million people (227,899) were killed or missing and presumed dead, including tourists, making this the deadliest tsunami in history. About 1.7 million people were displaced. Total damage was estimated at roughly $13 billion (2017 dollars).
What happens during a tsunami?
A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins.
What is a real life example of a tsunami?
Several grand examples: Lituya Bay, Alaska, 1958—An earthquake-induced rockslide in 1958 set off a giant wave that trimmed trees to an altitude of 525 m. Sunda Strait, Indonesia, 1883—The explosion of Krakatau triggered a tsunami that killed an estimated 35,000 persons.
What did we learn from Indian Ocean tsunami?
“One great lesson of the Indian Ocean Tsunami is that we must build and plan our coastal urban areas in a more sustainable and responsible way. We must become more intelligent and aware in managing the risks around the location of critical infrastructure in hazard prone areas whether the threat comes from floods, storms, earthquakes, heat waves or something else,” she added.
Why was the Indian Ocean tsunami so devastating?
Why was the tsunami of 2004 so devastating? The December 26, 2004 Indian Ocean tsunami was caused by an earthquake that is thought to have had the energy of 23,000 Hiroshima-type atomic bombs . … As a result, trillions of tons of rock moved, causing the largest magnitude earthquake in 40 years.
Do tsunamis only appear in the Indian Ocean?
Tsunamis occur most often in the Pacific Ocean and Indonesia because the Pacific Rim bordering the Ocean has a large number of active submarine earthquake zones. However, tsunamis have also occurred recently in the Mediterranean Sea region and are expected in the Caribbean Sea as well. How do tsunamis affect the life of fish and marine animals?
What were the effects of the Indian Ocean tsunami?
15–30 m (49–98 ft) on the west coast of Aceh