The ash was from cold lava, known as "lahar" in Javanese, a hot or cold mixture of water and rock fragments that flows down the slopes of a volcano and typically enters a river valley. Cold lava ...

At least 37 people have been killed, and more than a dozen injured on the Indonesian island of Sumatra after heavy rains triggered flash flooding and a cold lava flow from an active volcano ...

A volcanic eruption on Mount Kanlaon in the Philippines has sent rivers of cold lava, or “lahar”, flowing through a village miles away from the summit on the Negros Island. Pictures and videos ...

At least 41 people were killed after flash floods and "cold lava" flowing from a volcano hit the western Indonesian island of Sumatra. Hours of heavy rain on Saturday swept torrents of ash and ...

Footage shows rivers of cold lava following an ‘explosive eruption’ at Mt Kanlaon on Monday. The eruption sent a plume of ash kilometres into the sky, and caused dozens of flights to be ...

Several amateur videos circulating on social media among Yogyakarta residents showed the condition of rivers originating from Mount Merapi, indicating the presence of cold, blackish-gray lava flows ...

If there's one thing you, and Gollum, should know about volcanoes, it's that "lava=hot". That, and it's not a great idea to attempt to plug them up with concrete. But some volcanos are hotter than ...

Indonesia’s disaster management agency BNPB told local authorities to anticipate secondary disasters such as flash floods and cold lava flow. Analysis by the nation’s meteorology agency shows ...

A volcano in western Indonesia erupted on Thursday, spewing an ash cloud two kilometers into the sky as authorities warned residents over potential dangers from cold lava flows. Mount Marapi in West ...

A volcanic eruption on Mount Kanlaon in the Philippines has sent rivers of cold lava, or “lahar”, flowing through a village miles away from the summit on the Negros Island. Pictures and videos taken ...