Following an increase in seismic activity, Turrialba Volcano began spewing ash, vapor and gases at 2 a.m. on Tuesday, the first major explosion since August 1.
Sustained tremor activity that started at 8 p.m. Wednesday marked a new spike in activity at Turrialba Volcano. At 1:45 a.m. Thursday the crater began spewing ash and vapor, experts from the Volcanological and Seismological Observatory of Costa Rica (OVSICORI) and the National Seismological Network (RSN) reported.
