Read the text and determine if the sentence is true (see options at the end):

Indonesian tsunami volcano lost two-thirds of its height PANDEGLANG, Indonesia: The Indonesian volcano which caused a tsunami that killed more than 400 people last week lost more than two-thirds of its height following the eruption which triggered the killer waves. A section of Anak Krakatoa’s crater collapsed after an eruption and slid into the ocean, generating the tsunami last Saturday night.

Sentence:  Indonesian tsunami volcano lost around two-thirds of its height in PANDEGLANG right after the natural disaster took place 
Available options:
a). Yes;
b). It's impossible to say;
c). No;
a).