Nevados de Chillán volcano, Central Chile: news & activity updates

SERNAGEOMIN reported that on 29 August an explosion at Dome 4 in Nevados de Chillán's Nicanor Crater produced a plume with a high tephra content that rose 2 km above the crater rim and drifted S. The explosion also generated a pyroclastic flow that descended less than 500 m on the E and SE flanks. The Alert Level remained at Yellow, the second lowest level on a four-color scale. Read allOn 11 August SERNAGEOMIN reported that the lava dome on the floor of Nevados de Chillán's Nicanor Crater had grown taller in the previous few days based on webcam views. The portion of the dome that was visible with the webcam was reddish and rocky. The report noted that an increase in sulfur dioxide emissions and more intense explosions had been detected since 18 July. Read all On 11 August SERNAGEOMIN reported that the lava dome on the floor of Nevados de Chillán's Nicanor Crater had grown taller in the previous few days based on webcam views. The portion of the dome that was visible with the webcam was reddish and rocky. The report noted that an increase in sulfur dioxide emissions and more intense explosions had been detected since 18 July. Read allSERNAGEOMIN reported low levels of activity at Nevados de Chillán during 1-15 May. The area of the lava dome on the floor of Nicanor Crater was 1,626 square meters, similar to measurements from March (1,665 square meters); deformation measurements indicated that extrusion had ceased. Crater incandescence was sometimes visible; thermal anomalies were identified in satellite images on 3, 5, 8, 10, 13, and 15 May. Read all