From the strait between Java and Sumatra, a volcano older than modern memory reasserted itself on a quiet Sunday morning, sending ash 15,000 meters into the sky and reminding a capital city that the earth beneath Indonesia has never fully settled. Anak Krakatau — child of the volcano that once altered the global climate — erupted with enough force to be heard 700 kilometers away, grounding flights at one of Southeast Asia's busiest airports and stranding more than 22,000 travelers. No lives were lost, yet the event speaks to a truth that Indonesia lives with daily: on the Ring of Fire, nature