Lumajang, East Java, Aug. 20 -- Mount Semeru, located on the border of Lumajang and Malang Districts, East Java, spewed another eruption with an ash column reaching 800 meters into the sky on Wednesday morning.

"Mount Semeru erupted on Wednesday, at 7:21 a.m. local time. The eruption column was observed to be approximately 800 meters above the summit, or 4,476 meters above sea level," an officer at the Mount Semeru Observation Post, Sigit Rian Alfian, informed in a report on Wednesday.

Alfian noted that the ash column was observed to be white to gray in color, with a thick intensity leaning toward the southwest and west. The eruption was recorded on a seismograph with a maximum amplitude of 18 mm and a duration of 75 seconds.

According...