Volcán Santo Tomás is a

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...

in southern

Guatemala Guatemala ( ; ), officially the Republic of Guatemala ( es, República de Guatemala, links=no), is a country in Central America. It is bordered to the north and west by Mexico; to the northeast by Belize and the Caribbean; to the east by H ...

. Its highest point lies at an altitude of 3,542 m (11,621 ft) above sea level. It is also known as "Volcán Pecul", or as "Cerro Zunil", the name of its youngest and most prominent dome which was last active approximately 84,000 years ago (K-Ar dating).

Geothermal activity Geothermal activity is a group of natural heat transfer processes, occurring on Earth's surface, caused by the presence of excess heat in the subsurface of the affected area. Geothermal activity can manifest itself in a variety of different phen ...

can be observed in the form of Solfataras and thermal springs which are located on the west of the ridge between Santo Tomás and Zunil.

References

Santo Tomas Santo Tomas Volcano Santo Tomas Pleistocene stratovolcanoes {{NorthAm-protected-area-stub

See also

References