Samstag, Jan 23, 2010

A sudden increase of gas emission from the new vent in Turrialba's crater since the morning of 20 Jan prompted the authorities to suspend agricultural activities in the immediate areas around the volcano. ... [mehr]

Freitag, Jan 08, 2010

Turrialba volcano started erupting ash from one of tis summit craters on the morning of 4 January. ... [mehr]

Samstag, Dez 15, 2007

The volcanic unrest at Turrialba seems to intensify, and signs of a possible new eruption in the near to medium future are getting stronger: According to OVSICORI-UNA a gas-and-steam plume from Turrialba rose to an altitude greater than 5.3 km (17,400 ft) a.s.l. on 5 December. Fieldwork confirmed an unusual output of gas from several fumaroles along the S outer wall. Areas burned by acute acidification have extended in the last month. Pastures turned yellowish near the upper areas, and native and exotic tree species were impacted as well as birch tree patches along most drainages. Within the W crater, temperatures of fumaroles reached 280 degrees Celsius and native sulfur was present. ... [mehr]

Donnerstag, Sep 13, 2007

Unrest at Turrialba volcano continues. Increased fumarolic activity had started in August 2006 and is concentrated mainly  to the W of Turrialba's central crater.

... [mehr]

Freitag, Aug 10, 2007

Volcanic unrest at Turrialba volcano continues. Signs of an ongoing slow intrusion of magma at shallow depths indicating a possible eruption in the near-medium term future increase. ... [mehr]