Q COSTARICA — The Rincón de la Vieja volcano, located in Guanacaste region of Costa Rica, registered a moderate eruption early yesterday morning, classified as the most energetic so far in 2026.
The event occurred at 3:03 a.m., Monday, April 27, according to data from the Volcanological and Seismological Observatory of the National University (OVSICORI-UNA).
The activity was detected through seismic and acoustic recordings. The report indicates that it was not possible to determine the height of the eruptive plume.
Authorities stated that despite the event’s intensity, no lahars or volcanic debris flows were generated.
“A moderate eruption was recorded at the Rincón de la Vieja volcano. This eruption did not generate lahars; however, it is the most energetic since January 2026,” OVSICORI indicated.
The report also detailed that the wind is blowing from the southwest and that the volcano’s activity level remains at an alert level.
The Rincón de la Vieja volcano is famous for its intense geothermal activity with fumaroles, boiling mud pots and craters, including the active Von Seebach volcanic vent