Earth ChangesPhilippines: Mayon Volcano erupts, unleashes fast-moving pyroclastic flow, disrupts traffic, prompts warnings from authorities Posted on May 26, 2026 by Administrator Mayon Volcano erupted late on Saturday afternoon, unleashing a fast-moving pyroclastic flow and thick ash plume that disrupted traffic and prompted warnings from authorities. The event involved a pyroclastic density current, locally known as “uson,” which surged down the volcano’s slopes.
