Guatemala's Fuego volcano erupted again Monday, prompting authorities to order evacuations in nearby communities. Guatemala's Fuego volcano erupts early on Aug. 4, 2026. Johan Ordonez / AFP via Getty ImagesThe eruption of Fuego volcano in Guatemala sent lava and plumes of ash miles into the air. Guatemalan authorities issued the country's second-highest emergency alert level on Aug. 4, 2026, after a major eruption of Fuego volcano. The powerful eruption of Fuego volcano turned clouds red in Guatemala on Aug. 4, 2026.