Tsunamis: Causes And Natural Disasters In Indonesia

2585 Words 10 Pages
Tsunamis: what are these exactly, how do they occur, and why are known to be so deadly? Tsunamis are massive sea waves that are spawned from earthquakes generated underneath the ocean at tectonic plate boundaries. Although earthquakes are known to be the main cause of tsunamis, these enormous waves can occur due to occurrences such as rapid changes in the atmospheric pressure or volcanic eruptions. These waves are formed in a series, sometimes referred to as a “wave train.” There is never just one wave when a tsunami occurs. Typically, the first wave of a tsunami is not the strongest; waves that occur later on usually hold the most power and cause the most destruction. The waves of tsunamis can reach heights of up to one hundred feet when …show more content…
The tsunami occurred in this ocean near the island of Sumatra, Indonesia. The cause of this tsunami was a powerful earthquake from underneath the Indian Ocean in the Earth’s crust. At the time, this particular tsunami was considered to be the most substantial natural disaster that had happened in the last forty years prior to this. The tsunami of 2004 that hit the Indonesian coast took the lives of more than 230,000 people. This one tsunami, alone, affected fourteen different countries. Its impact was tremendous. The Indonesian tsunami is known to be one of the deadliest natural disasters to ever occur of all time. The tsunami brought massive waves from the Indian Ocean and the Bay of Bengal to the shore of Sumatra, Indonesia. The water forced its way onto land at an alarming rate, spreading to at least a several kilometers. Once the water came, havoc took over the island. Vehicles were picked up in the water and traveled throughout the island, causing damage to people caught up in the water and even to buildings. People that were caught in the raging waters either drowned immediately or were pushed out to sea, where they eventually drowned, as well. The destruction this tsunami caused was extensive. This tsunami generated damage to areas even further inland, nearly 4,100 kilometers, or 2,500 miles, from the epicenter of the original earthquake. The tsunami did not only affect the …show more content…
A tsunami is a series of waves that occur over a period of time, causing mass destruction when it moves onto land from building up in the oceans. Tsunamis are considered to be one of the most dangerous natural disasters to ever occur on Earth. Although tsunamis can form because of volcanic eruptions, rapid changes in pressure, or other factors, majority of tsunamis are developed as a result of earthquakes underneath the ocean on the Earth’s crust. In the beginning stages of a tsunami, the sea floor starts to shift upwards; these shifts cause ripples in the ocean waters, resulting in the tsunami waves (Tarkbuck, Lutgens, and Tasa 380). One of the most known tsunamis to ever occur happened in the Indian Ocean near the island of Sumatra, Indonesia in December 2004. The 2004 Indonesian earthquake, which resulted in the tsunami, caused more damage that all other earthquakes that occurred in the twenty-five years previous to it. There have been other tsunamis to occur over time, but none have compared to the one in 2004. Warning systems have been installed since then and have helped people be more prepared in these instances. Having evacuation plans prior to when a tsunami hits is crucial. There are certain procedures that one needs to take before, during, and after a tsunami to ensure his or her safety.

Related Documents