Eruptive activity at Chaiten volcano in Chile was stable on 27th February. An eruption column rose to a height of less than 2 km. During the day there were minor collapses of the spine of the dome. The collapse events led to an increase in ash content of the plume. Small dome collapses were observed [...]
Archive for February, 2009
Chaiten Volcano, Chile – John Seach
February 28, 2009Chaiten Volcano, Chile – John Seach
February 28, 2009Eruptive activity at Chaiten volcano in Chile was stable on 27th February. An eruption column rose to a height of less than 2 km. During the day there were minor collapses of the spine of the dome. The collapse events led to an increase in ash content of the plume. Small dome collapses were observed [...]
Chaiten Volcano, Chile – John Seach
February 28, 2009Eruptive activity at Chaiten volcano in Chile was stable on 27th February. An eruption column rose to a height of less than 2 km. During the day there were minor collapses of the spine of the dome. The collapse events led to an increase in ash content of the plume. Small dome collapses were observed [...]
Chaiten Volcano, Chile – John Seach
February 27, 2009Eruptive activity at Chaiten volcano in Chile remains unchanged. The southeast side of the summit lava dome remains unstable, and is liable to collapse. Dome growth continues, and a steep pinnacle has formed on the south side of the dome. Preliminary data indicates temperatures of about 270 º C at the pinnacle, and 200 º [...]
Chaiten Volcano, Chile – John Seach
February 27, 2009Eruptive activity at Chaiten volcano in Chile remains unchanged. The southeast side of the summit lava dome remains unstable, and is liable to collapse. Dome growth continues, and a steep pinnacle has formed on the south side of the dome. Preliminary data indicates temperatures of about 270 º C at the pinnacle, and 200 º [...]
Chaiten Volcano, Chile – John Seach
February 27, 2009Eruptive activity at Chaiten volcano in Chile remains unchanged. The southeast side of the summit lava dome remains unstable, and is liable to collapse. Dome growth continues, and a steep pinnacle has formed on the south side of the dome. Preliminary data indicates temperatures of about 270 º C at the pinnacle, and 200 º [...]
Chaiten Volcano, Chile – John Seach
February 26, 2009An overflight of Chaiten volcano on 24th of February revealed more details about the 19th February dome collapse. The collapse escarpment is oriented approximately southwest, with a major axis of approximately 500 m and maximum height of the escarpment of 200 m. The area of collapse is located in the southwest sector of the dome [...]
Chaiten Volcano, Chile – John Seach
February 26, 2009An overflight of Chaiten volcano on 24th of February revealed more details about the 19th February dome collapse. The collapse escarpment is oriented approximately southwest, with a major axis of approximately 500 m and maximum height of the escarpment of 200 m. The area of collapse is located in the southwest sector of the dome [...]
Chaiten Volcano, Chile – John Seach
February 26, 2009An overflight of Chaiten volcano on 24th of February revealed more details about the 19th February dome collapse. The collapse escarpment is oriented approximately southwest, with a major axis of approximately 500 m and maximum height of the escarpment of 200 m. The area of collapse is located in the southwest sector of the dome [...]
Chaiten Volcano, Chile – John Seach
February 25, 2009After the dome collapse at Chaiten volcano, Chile, on 19th February, seismicity returned to lower levels. The collapse mobilised a large amount of material south into Chaiten River valley. An estimated 30 million tons of material collapsed from the dome, which present a lahar hazard to Chaiten town. More on [...]
