What caused the Sumatra earthquake 2004?

What caused the Sumatra earthquake 2004?

The tsunami from the 2004 M=9.1 Sumatra-Andaman earthquake was primarily caused by vertical displacement of the seafloor, in response to slip on the inter-plate thrust fault (see Tectonics section above). The other, the local tsunami, travelled towards Indonesia, Thailand, and nearby islands in less than an hour.

Was there a warning for the 2004 tsunami?

A warning system for the Indian Ocean was prompted by the 2004 Indian Ocean earthquake and resulting tsunami, which left approximately 250,000 people dead or missing. The only way to effectively mitigate the impact of a tsunami is through an early warning system.

How many homes did the 2004 tsunami destroy?

141,000 houses
The Tsunami Evaluation Coalition, a multi-agency colloboration to evaulate the response to the disaster, said more than 600,000 people’s work was affected “(in some cases only for a few months)” and 141,000 houses were destroyed.

How many people died in Banda Aceh tsunami?

The city of Banda Aceh on the northern tip of Sumatra was closest to the powerful earthquake’s epicenter and the first waves arrived in just 20 minutes. It’s nearly impossible to imagine the 100-foot roiling mountain of water that engulfed the coastal city of 320,000, instantly killing more than 100,000 men, women and children.

Where did the 2004 Indian Ocean earthquake happen?

The 2004 Indian Ocean earthquake is thought to have triggered activity in both Leuser Mountain and Mount Talang, volcanoes in Aceh along the same range of peaks, while the 2005 Nias–Simeulue earthquake had sparked activity in Lake Toba, an ancient crater in Sumatra.

Where was the epicenter of the Aceh earthquake?

The earthquake occurred on the oblique boundary between the Australian plate (near the separation with the Indian plate) and the Sundaland plate. Here the Australian plate plunges under the Indonesian islands of Java and Sumatra, in what geophysicist call a subduction.

When did the Sumatra earthquake happen in 2004?

On the morning of December 26th, 2004 in SE Asia, 30 kmbelow sea level, off the coast of northern Sumatra, Indonesia, the Earth crust ruptured with dramatic consequences for the surrounding countries. A major earthquake (the fourth in instrumental seismology history) just happened.