• Evacuations ordered after powerful eruption at Semeru volcano sends ash to 17.9 km (59 000 feet), Indonesia

    ByTeo Blašković

    Indonesia’s Geological Agency raised the alert level for Semeru volcano to the highest (Level IV) following a major eruption on November 19, 2025, that produced an ash column up to 17.9 km (59 000 feet) above sea level. Authorities ordered evacuations of at least 300 residents from nearby villages and expanded exclusion zones up to 8 km (5 miles) from the crater and along the Besuk Kobokan valley. No casualties have been reported so far.

  • Partial collapse at Mount Merapi sends lava down slopes, Indonesia

    ByTeo Blašković

    A partial collapse occurred at Mount Merapi volcano, Central Java Province, Indonesia, on November 10, 2025, producing lava flows on its slopes. The event follows continuous volcanic activity observed in recent days, including a pyroclastic flow that traveled about 1 500 m (4 921 feet) southwest at 15:19 LT (08:19 UTC) on November 9, lasting 188.32 seconds. The volcano remains at Alert Level III (Siaga), and residents are advised to follow official safety recommendations.

  • Tornado damages over 112 houses in Malang Regency, East Java

    ByReet Kaur

    A damaging tornado accompanied by heavy rain struck Sumbersekar village, Dau sub-district, Malang Regency, East Java, Indonesia, on Sunday afternoon, November 2, 2025, damaging more than 112 houses and injuring one resident. The event occurred as the National Disaster Management Agency (BNPB) reported multiple hydrometeorological incidents across Java during the same weekend.

  • Strong M6.4 earthquake hits Banda Sea, Indonesia

    ByTeo Blašković

    A strong earthquake registered by the USGS as M6.4 struck the Banda Sea, Indonesia, at 14:40 UTC on October 28, 2025. The agency is reporting a depth of 144 km (89 miles). EMSC is reporting the same magnitude and depth.

  • Lahar from Mount Semeru traps truck near Gladak Perak, Lumajang, Indonesia

    ByTeo Blašković

    A secondary lahar flow originating from remobilized pyroclastic and tephra deposits on the southern flank of Mount Semeru, Indonesia, occurred on October 21, 2025, trapping a truck near Gladak Perak Bridge in Lumajang Regency, East Java. The rain-induced lahar, classified as a cold, non-eruptive sediment-water flow, moved through the Besuk Kobokan drainage, carrying a dense slurry of volcanic debris and runoff.

  • Strong and shallow M6.5 earthquake hits Papua, Indonesia

    ByTeo Blašković

    A strong and shallow earthquake registered by the USGS as M6.5 hit Papua, Indonesia at 05:48 UTC on October 16, 2025. The agency is reporting a depth of 35 km (21.7 miles). EMSC is reporting M6.5 at a depth of 11 km (6.8 miles). According to the Pacific Tsunami Warning Center (PTWC), there is no tsunami threat from this event.

  • High-level eruption at Lewotobi volcano, Indonesia

    ByTeo Blašković

    A high-level eruption occurred at Lewotobi Laki-laki volcano on Flores Island, Indonesia, at 23:37 WITA (15:37 UTC) on October 14, 2025, producing an ash column rising to 13 700 m (44 500 feet) above sea level. The Darwin Volcanic Ash Advisory Center (VAAC) raised the Aviation Color Code to Red after Himawari-8 satellite imagery confirmed ash extending northwest at approximately 28 km/h (17 mph).