Mount Semeru releases volcanic materials during an eruption on Sunday, Dec. 4, 2022 in Lumajang, East java, Indonesia. (AP)

Indonesia’s Mt. Semeru unleashes lava river in new eruption

  • Semeru volcano on Java island spews a column of ash 1.5km into the air
  • Indonesia has the largest population globally living in close range to a volcano
By AP ·