Rincón de la Vieja

Rincon de la Vieja is one of the most active volcanoes in Costa Rica. It is an active andesitic complex volcano which stands 1,916 metres above sea level. Rincon de la Vieja has a large number of hot springs and fumaroles on its slope. It has 130 cu km volume and contains at least nine major eruptive centres.

Location: Guanacaste, Costa Rica
Coordinates: 10.832245, -85.336374
Volcano Type: Complex

 

Rincon de la Vieja's location

Rincon de la Vieja Volcano News:

 

June 2020: OVSICORI-UNA has reported a number of moderate phreatic explosions, with ash plumes rising to approximately 1km.

 

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Rincón de la Vieja's Eruptive History

1990-1999 The period between 1990 and 1999 was particularly active. The crater lake level decreased, with sulfur open floating on the surface. On May 1991 an eruption occurred ejecting ash and blocks. In 1995, another eruption occurred producing lahars which destroyed infrastructure. 1998 saw phreatic eruptions.
2000-2010 Activity decreased, however fumarolic activity and seismicity present.
2011 After a period of relative quiet, Rincón de la Vieja erupted again through to 2015.
2017 Phreatic explosions that ejected material to 2km. Lahars were also produced.
2018 Minor eruptive activity extending through to 2019.
2020 Heightened activity continues throughout 2014-2018 with major eruptions, lava flows (outside of the crater) and dangerous pyroclastic flows.
2019 Explosive activity with large incandescent ejecta.
2020 Strong phreatic (likely) eruption with plume to 1500m. Authorities activate emergency protocols.

 


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Images of Rincón de la Vieja Volcano

 

 


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For monitoring of this volcano, please refer to OVSICORI-UNA.

 


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