印尼一火山喷发 火山灰柱高约10公里

Core Viewpoint - The eruption of the Lewotobi-Lakilaki volcano in East Nusa Tenggara, Indonesia, on August 1, 2023, has raised concerns due to its significant ash plume reaching approximately 10,000 meters in height, with no reported casualties so far [1][3]. Group 1: Eruption Details - The Lewotobi-Lakilaki volcano began erupting at 20:48 local time on August 1, accompanied by lightning and loud rumbling sounds [3]. - The volcanic ash plume from the July 7 eruption reached a height of 18 kilometers, causing flight cancellations to and from the popular tourist destination of Bali [3]. Group 2: Safety Measures - The Indonesian volcanic monitoring agency has maintained the highest alert level (level four) for the volcano, advising residents and tourists to avoid all activities within a 6-kilometer radius of the volcano [3]. - The designated danger zone extends approximately 7 kilometers from the southwest to the northeast of the volcano [3]. Group 3: Geological Context - Indonesia is located on the Pacific Ring of Fire, which is characterized by frequent seismic and volcanic activity, with over 120 active volcanoes across the country [3].