GELORA.CO — Mount Semeru in Lumajang Regency, East Java, again showed high volcanic activity. In just six hours, the highest mountain on Java Island was recorded to erupt 29 times. The activity was recorded by the Mount Semeru Observation Post on Wednesday, September 9, 2026, in the period from 00.00 to 06.00 wi.In addition to dozens of eruptions, officers also recorded four falls and four harmonic tremors. This condition makes the status of Mou…
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GELORA.CO — Mount Semeru in Lumajang Regency, East Java, again showed high volcanic activity. In just six hours, the highest mountain on Java Island was recorded to erupt 29 times. The activity was recorded by the Mount Semeru Observation Post on Wednesday, September 9, 2026, in the period from 00.00 to 06.00 wi.In addition to dozens of eruptions, officers also recorded four falls and four harmonic tremors. This condition makes the status of Mou…