Kharimkotan

This week's USGS/Smithsonian GVP Volcano Update! Highlights include: A volcano I had never heard of in the Kuril islands is showing signs of life: Kharimkotan. Satellite images show a thermal anomaly at the summit of the volcano - its last known eruption was in 1933. Ash, sulfur dioxide and steam continue to erupt from Nyamuragira in the Congo, although lava flows have abated. Crater C at Arenal had sporadic strombolian activity - which is par for the course for the Costa Rican volcano. I must have missed this, but since December 14, the ash erupted at Gaua in Vanuatu has become denser and…