The Tsunami That Hit Indonesia In 2018 Reached Over 100 Meters High Before Reaching The Coast

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A landslide derived from the eruption of Anak Krakatoa volcano unleashed the wave, which caused more than 400 deaths.

The tsunami caused by the eruption of Anak Krakatoa volcano (Indonesia), in December 2018, could have caused a much worse disaster, since it reached a height of over 100 meters, a study published in the journal Ocean Engineering indicates.

When the volcano erupted, there was a landslide that unleashed a tsunami that swept the shores of the Sonda Strait, which separates the islands of Java and Sumatra. The wave touched land with a maximum range of 13 meters and left a balance of more than 400 deaths. However, research suggests that the giant wave reached a height of 100 to 150 meters in a short period of time.

The research was directed by Mohammad Heidarzadeh, assistant professor at the University of Brunel (United Kingdom). “When volcanic materials fall into the sea, they cause the displacement of the water surface,” Heidarzadeh explains in a statement.

According to the researcher, in the case of Anakl Krakatoa, the height of the displaced water body exceeded 100 meters, but it was quickly reduced thanks, above all, to the “combined effects of gravity”, which pushed it down, and of “the friction between the tsunami wave and the seabed“.

The analysis carried out computer simulations of the wave, for which it used sea level data from more than 5 locations near Anak Krakatoa, validating models from the moment of the volcano’s collapse until the tsunamo arrives.

The Tsunami That Hit Indonesia In 2018 Reached Over 100 Meters High Before Reaching The Coast

 

Source: Actualidad RT