What is cold lava? The volcano phenomenon that has caused havoc in Indonesia’s Sumatra – Times of India
NEW DELHI: Flash floods, landslides, and a destructive stream of cold lava from Mount Marapi, an active volcano in Sumatra, Indonesia, resulted in the deaths of at least 43 people and left 19 missing over the past weekend. Cold lava, also known as “lahar” in Javanese, comprises a mixture of water and rock fragments that…