A volcano known as Anak Krakatau began erupting on September 4, 2026, on an Indonesian archipelago between the islands of Sumatra and Java. The eruption sent ash and lava into the air, disrupting local life by grounding flights, closing schools, and halting fishing activities. Over the course of 25 hours, the volcano released ash and debris that reached as far as Jakarta and the Lampung province. Despite the initial eruption, Anak Krakatau remained active throughout the weekend, with experts warning that it could erupt again soon. Satellites, including Landsat 8 operated jointly by NASA and the U.S. Geological Survey (USGS), monitored the eruption from space. The satellite captured images of a white plume of volcanic gas rising into the atmosphere. Scientists believe this plume is mainly composed of water vapor, carbon dioxide, and sulfur dioxide, while the brown clouds surrounding it consist of ash and other volcanic debris. Anak Krakatau is located within the "Ring of Fire," a region encircling the Pacific Ocean that is home to more than 750 volcanoes, many of which are active. Indonesia alone has 500 volcanoes, with 127 currently active, including Anak Krakatau. This particular volcano has a unique history: it formed in 1927 from the caldera left by the 1883 eruption of Krakatau, one of the most famous and destructive volcanic events in recorded history. The name "Anak Krakatau" translates to "child of Krakatau" in Indonesian. The Ring of Fire is not only a zone of volcanic activity but also a region prone to frequent earthquakes. It stretches over 25,000 miles (40,000 kilometers) and sits on the boundaries of several tectonic plates, which have been shifting for over 35 million years. This tectonic activity is the main reason for the region's high levels of both volcanic and seismic events. While the exact boundaries of the Ring of Fire are sometimes debated by geologists, its role as a hotspot for natural disasters is widely recognized.