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Turrialba Volcano - John Seach
Costa Rica
10.03 N, 83.77 W
summit elevation 3340 m
stratovolcano
Turrialba is the second highest volcano in Costa Rica.
The volcano is located on the eastern end of the Cordillera Central. It is large and covered by vegetation except in the crater. There is a summit depression measuring 2 km E-W and 1.2 km N-S.
The last eruption in 1866 covered most of Costa Rica in ash. Seismicity has appeared high under the volcano since 1996. In August 2007 fractures and new funaroles opened at the volcano. Molten sulphur was observed at the volcano for the first time in 25 years.
2008 Update
During September 2008 observations revealed damaged to vegetation at the volcano. On the southern flank of the West crater, plants were burned down to the soil. Trees in lower altitude areas were yellowed due to acid rain. Pastures and areas along canyons and depressions were also affected. Turrialba Volcano National Park was temporarily closed on 30th September because high levels of gas were blowing over parts of the park where visitors view the volcano.
Turrialba Volcano Eruptions
2009, 1866, 1864-65, 1861?, 1855, 1853, 1847?, 1723