OVSICORI-UNA reported that at 0624 on 23 November a one-minute-long eruption at Turrialba produced a plume that rose 500 m above the crater rim and drifted SW.
Another small eruption was recorded on 7 November.
Source: Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA)
Asosan (Japan)
