A strong and shallow earthquake registered by the USGS as M6.1 hit West Papua Region, Indonesia at 18:19 UTC on September 18 (03:19 LT on September 19), 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.
A tornado struck the island of Java, Indonesia, on September 16, 2025, damaging dozens of homes and a mosque. The full extent of damage is still being assessed.
At least 25 people are confirmed dead or missing after floods and landslides struck Bali and East Nusa Tenggara, Indonesia, between September 9 and 11, 2025. Torrential rains inundated large areas, collapsed buildings, and forced the evacuation of more than 500 residents.
At least six people were killed after torrential rains triggered severe flooding across Bali, Indonesia, between September 9 and 10, 2025. The floods inundated large parts of Denpasar, caused the collapse of multiple buildings, and left several people missing, while hundreds were evacuated to safer areas.
Indonesia’s Geological Agency raised the alert status of Mount Lewotobi Laki-laki in East Flores to Level IV (Awas) at 10:00 WITA on September 6, 2025, due to increased seismicity, continuous tremor, and deformation indicating shallow magma ascent.
A significant increase in water temperature and sulfur gas emissions was detected at Kawah II of Mount Kelimutu, East Nusa Tenggara, Indonesia, on August 26, 2025. The volcano is a well-known tourist destination due to its three color-shifting crater lakes. The last recorded eruption at this volcano took place in 1968 (VEI 1).
A shallow M5.8 earthquake struck near Poso in Central Sulawesi, Indonesia at 22:38 UTC on August 16, 2025. The tremor caused one fatality and injured 41 people, triggered the partial collapse of a church during worship, damaged dozens of buildings across the region, and produced a small tsunami.
Lewotobi volcano in Indonesia erupted on August 17, 2025, emitting volcanic ash up to 9 800 m (32 000 feet) above sea level, according to the Darwin Volcanic Ash Advisory Center (VAAC).
Mount Marapi in West Sumatra, Indonesia, erupted at 08:39 local time (LT) on August 12, 2025, producing an ash plume approximately 1 600 m (5 250 feet) above the summit, or about 4 491 m (14 735 feet) above sea level, drifting toward the northeast.
A strong and shallow earthquake registered by the USGS as M6.3 hit Papua, New Guinea at 08:24 UTC on August 12, 2025. The agency is reporting a depth of 10 km (6.2 miles). BMKG is reporting M6.3 at a depth of 38 km (23 miles), EMSC M6.3 at a depth of 20 km (12.4 miles).
