On 6 May between 04:00-06:00 local time OVSICORI-UNA reported visible incandescence associated with fumarolic activity located south of the Boca A. Seismicity remains stable including regular intervals of 200 to 300 per day. No eruption was detected. The lake level is stable. Source: Observatorio Vulcanológico y Sismológico de Costa Rica volcano activity update 13 May 2020
