The Volcanological and Seismological Observatory of Costa Rica (OVSICORI) at the National University of Costa Rica, in Spanish Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI)[REF] have a dedicated team in charge of researching and monitoring the volcanoes, earthquakes, and other tectonic processes in the Central America Volcanic Arc.
In 1902, the Santa Maria Volcano erupted violently in Guatemala, with the largest explosions occurring over two days, ejecting an estimated 5.5 km3 (1.3 mi3) of magma.