The Philippine Institute of Volcanology and Seismology (PHIVOLCS) is advising people living near the Kanlaon volcano in Negros Island to be vigilant due to the increased volcanic activity at the volcano. In an advisory issued Saturday night, February 13, 2021 (LT),…
Eruption at Raung volcano continues at elevated levels, with several strong explosions ejecting ash up to 5.5 km (18 000 feet) above sea level over the past 3 days. Raung Volcano Observatory said non-harmonic tremors are present at the volcano since January 20, when…
New activity/unrest was reported for 5 volcanoes from February 3 to 9, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Etna, Sicily (Italy) | Merapi, Central Java (Indonesia) | Raung, Eastern Java (Indonesia) |…
Volcanic activity at the Guatemalan Pacaya volcano has increased over the past few days, prompting authorities to raise the Alert Level to Yellow. INSIVUMEH reported a significant increase in Strombolian activity with constant moderate and occasional strong…
A large lahar flow formed on the slopes of Mount Semeru volcano in East Java, Indonesia during heavy rains on February 8, 2021. The flow took place at around 08:39 UTC (15:39 WIB), sweeping away a car. Fortunately, the driver managed to get out of the vehicle and…
A high-resolution satellite image acquired on February 7, 2021, shows a second small ash deposit extending at least 3 km (1.8 miles) to the northeast from North Cerberus Crater on Semisopochnoi Island, similar to the first observed on February 6. Clouds obscured…
High-resolution satellite imagery acquired on February 6, 2021, showed a small ash deposit extending less than 3 km (1.8 miles) to the north from North Cerebus Crater on Semisopochnoi Island, Alaska, U.S. Steam emissions obscured views into the crater, the Alaska…
Analysis of the images of the INGV-OE surveillance cameras and the observations made by INGV staff during a survey carried out at Etna's summit area on February 5, shows that Strombolian activity continues in the Southeast Crater with varying frequency and…
Multi-Gas measurements conducted at La Soufriere volcano on February 1, 2021, confirmed the presence of sulfur dioxide (SO2) for the first time. Filter packs used to measure hydrogen chloride (HCl), Hydrogen fluoride (HF), Sulfur dioxide (SO2) and Hydrogen Sulfide…
Remote monitoring of the vent area at White Island volcano, New Zealand over the past 12 months revealed that the temperatures of gas emissions have declined from over 700 °C (1 290 °F) to 300 °C (570 °F). Current activity is characterized by steam…
