Lava starts flowing from the summit crater of Mayon volcano, Philippines
After increased unrest detected since June 5, the activity at Mayon volcano in the Philippines increased further on June 11 with lava flowing from the summit crater.
After increased unrest detected since June 5, the activity at Mayon volcano in the Philippines increased further on June 11 with lava flowing from the summit crater.
The Mayon volcano in the province of Albay, Bicol Region, central Philippines, is showing signs of increased activity since June 5, 2023, when the Alert Level was raised to 2. On June 8, the Alert Level was raised to 3, prompting authorities to issue evacuation orders for all residents living within a 6 km (6 miles) radius of the crater — about 17 000 people. Another 40 000 people will have to evacuate if the Alert Level is raised to 4.
New activity/unrest was reported for 7 volcanoes from May 31 to June 6, 2023. During the same period, ongoing activity was reported for 22 volcanoes.
At approximately 14:44 UTC (04:44 HST) on June 7, 2023, the USGS Hawaiian Volcano Observatory (HVO) detected a glow in Kīlauea summit webcam images indicating that an eruption has commenced within Halemaʻumaʻu crater in Kīlauea’s summit caldera, within Hawai‘i Volcanoes National Park.
Increased earthquake activity and changes in the patterns of ground deformation at Kīlauea’s summit began occurring on June 7, 2023, indicating the movement of magma in the subsurface.
An increase in seismicity has been observed at Iliamna volcano beginning at 20:00 UTC on June 5, 2023. As a result, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code and Volcano Alert level for Iliamna to Yellow and Advisory.
In an event unfolding from the evening of June 3 to the early hours of June 4, 2023, Taal Volcano showcased an increased degassing activity, leading to the formation of steam-rich plumes reaching up to 3 000 m (9842 feet) above the Taal Volcano Island. This activity has resulted in significant volcanic smog or vog over the Taal Caldera, affecting local municipalities.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) raised the Alert Level for the Mayon volcano from Level 1 to Level 2 on June 5, 2023, indicating increased volcanic unrest that may potentially precede hazardous eruptions.
New activity/unrest was reported for 6 volcanoes from May 24 to 30, 2023. During the same period, ongoing activity was reported for 17 volcanoes.
Slow eruption of lava continues at Great Sitkin volcano, Alaska, producing a thick lava flow within the summit crater.