Why was no one warned about the 2004 tsunami?
Many of the hundreds of people who died when a tsunami struck the Indonesian coast Saturday night were nowhere near shelter. Quite simply, they had no idea it was coming. That’s because despite a history of tsunamis caused by volcanoes and earthquakes, Indonesia has not had an effective early warning system for years.
Why was the 2004 tsunami so devastating?
The violent movement of the Earth’s tectonic plates displaced an enormous amount of water, sending powerful shock waves in every direction. The tectonic plates in this area had been pushing against each other and building pressure for thousands of years.
How was the 2004 tsunami measured?
The 26 December 2004 magnitude 9 earthquake off Sumatra provided the first examples of travelling tsunami waves in mid‐ocean clearly detected by satellite altimetry.
What caused the 2004 Indonesian earthquake?
The earthquake was caused by a rupture along the fault between the Burma Plate and the Indian Plate. A series of massive tsunami waves grew up to 30 m (100 ft) high once heading inland, after being created by the underwater seismic activity offshore.
What are 5 facts about tsunamis?
Fact 1: An underwater earthquake, a volcano eruption or a landslide mostly causes a tsunami. Fact 2: Only on very few occasions a tsunami is caused by a giant meteor in the ocean. Fact 3: Tsunami waves can be as huge as 100 feet. Fact 4: About 80% of the tsunamis occur in the Pacific Ocean’s Ring of Fire.
How big was the tsunami that hit Indonesia 2004?
In Banda Aceh, the landmass closest to the quake’s epicenter, tsunami waves topped 100 feet. The tsunami’s waves traveled across the Indian Ocean at 500 mph, the speed of a jet plane. The 2004 Indonesia earthquake caused a shift in the Earth’s mass that changed the planet’s rotation.
Is there a topic profile for 2004 Indian Ocean earthquake and tsunami?
Scholia has a topic profile for 2004 Indian Ocean earthquake and tsunami. ^ a b c d “Magnitude 9.1 – Off the West Coast of Sumatra”. U.S. Geological Survey.
What was the date of the Great Sumatra earthquake 2004?
^ “The Great Sumatra Earthquake and Indian Ocean Tsunami of December 26, 2004: The Effects in Mainland India and in the Andaman-Nicobar Islands” (PDF). EERI Special Earthquake Report. April 2005.
Where did the Boxing Day Tsunami 2004 occur?
The 2004 Indian Ocean earthquake and tsunami (also known as the Boxing Day Tsunami and, by the scientific community, the Sumatra–Andaman earthquake) occurred at 07:58:53 in local time ( UTC+7) on 26 December, with an epicentre off the west coast of northern Sumatra, Indonesia.