The 2004 Indian Ocean tsunami stands out as the largest disaster in modern history. It's hard to find anything that even comes close.
The disaster resulted from an undersea earthquake with a magnitude of approximately 9.1. It occurred along the fault line marking the boundary between the Indo-Australian and Eurasian plates, specifically the Indian and Burma plates.
This was a monumental event, and the statistics are grimly captivating.
On December 26, 2004, around 1,500 kilometers of fault ruptured, causing the seafloor to shift approximately 15 meters. It all started when a roughly 100-kilometer-long section of the plate boundary ruptured and slipped in about a minute. This movement then propagated northward, unzipping the seafloor at a speed of roughly 3 kilometers per second for 4 minutes. While this was the primary unzipping phase, it continued for a bit longer afterward. The earthquake lasted for over 10 minutes, shaking the entire planet like a bell, with vibrations exceeding 1 centimeter.
The energy released by the earthquake was more than 1,500 times that of Hiroshima -, and the total energy of the tsunami waves equaled approximately 5 megatons of TNT, surpassing the combined explosive energy used in all of World War II.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
4:40 The term tsunami
8:17 How do they form
11:50 asteroid impacts
13:30 Tsunami 12-grade tsunami intensity scale ( 1 -12)
17:50 what can be done in terms of prevention?
22:10 How to escape in front of a tsunami?
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#insanecuriosity #tsunami #scienceoftsunami
1 июн 2024
