TNPSC Thervupettagam
February 4 , 2019 2120 days 2109 0
Tsunami
  • A tsunami killed more than 200 people and injured hundreds on the Indonesian islands of Java and Sumatra following an underwater landslide believed to be caused by the erupting Anak Krakatau volcano.

 

How Volcano caused Tsunami?
  • Waves may be generated by the sudden displacement of water caused by a volcanic explosion, by a volcano's slope failure, or more likely by a phreatomagmatic explosion and collapse/engulfment of the volcanic magmatic chambers.
  • violent volcanic eruptions, although relatively infrequent, represent impulsive disturbances, which can displace a great volume of water and generate extremely destructive tsunami waves in the immediate source area.
  • It is also believed that the destruction of the Minoan civilization in Greece was caused in 1490 B.C by the explosion/collapse of the volcano of Santorin in the Aegean Sea.
What caused the latest tsunami?

Credits: The Hindu

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