The Philippines' Mayon Volcano has erupted, sending plumes of ash up to 3,000 metres above its summit. Authorities have responded by raising the volcano's alert level to 3, indicating that it has entered a new phase of eruption.

The eruption signifies a heightened state of volcanic activity, prompting increased monitoring and safety measures. Mayon Volcano, known for its near-perfect cone shape, is one of the most active volcanoes in the Philippines and is closely watched by scientists.

Details of the eruption included significant ashfall, which can pose hazards to aviation and communities in the vicinity. The elevation of the alert level to 3 suggests that magma may be accumulating beneath the volcano, increasing the potential for further, possibly more dangerous, eruptive events.

This development raises concerns for residents living in areas surrounding the volcano, particularly those in the potential path of lava flows or ashfall. Local disaster management agencies are likely preparing contingency plans and may consider evacuations for vulnerable populations.

Mayon Volcano has a history of frequent eruptions, with the most recent significant activity occurring in recent years. Previous eruptions have led to the displacement of thousands of people and significant disruptions to local life and agriculture. The geological monitoring agencies will be assessing the rate of magma ascent and the potential for phreatic or magmatic explosions.

Scientists at the Philippine Institute of Volcanology and Seismology (PHIVOLCS) are continuously monitoring the volcano's seismic activity, ground deformation, and gas emissions. Their assessments are crucial in determining the volcano's current state and informing public safety advisories.

The raising of the alert level to 3 means that hazardous volcanic materials like ash, rock fragments, and potentially lava flows could be ejected. This level typically signifies that the volcano is experiencing unrest and that an eruption is possible within weeks or even days.

Further monitoring will focus on the volcano's behavior to predict the potential scale and duration of the eruption. Local government units are expected to implement safety protocols, including restricting access to the permanent danger zone around the volcano and preparing evacuation centers.