After an increase in tremor on the morning of April 28, the Turrialba issued a plume of gas, vapor and aerosols.
Seismicity remained at a high level, mainly characterized by the tremor, associated with the movement of internal fluids all the day of April 29.
Turrialba - gas and steam plume 28.04.2016 / 8:45 - webcam OVSICORI
Turrialba - seismicity 28/04/2016 - Doc. Ovsicori
During the morning of 30 April, (report 30.04 / 5:10 / RSN) ash emanated from one of the active crater emission points. The ashes are scattered to the Central Valley
At 8h, the ash outlet is maintained, continuously and passively. At this time, the RSN recognizes 5 h. of emanation of ash, and the first drop is report on Santa Cruz. Two points of emission are distinguished, one emitting ash, the other gases and water vapor. The amount of emitted ash fell around 11:15 am, but the tremor maintaining .
Around 4:50 p.m., we see only a light ash outlet and the RSN reports a decrease in tremor
Turrialba - 60 hours of seismic monitoring, including 12 hours of tremor - Doc. Ovsicori
Turrialba - emissions 30.04.2016 / 5:03 - RSN webcam
Turrialba - emissions 30.04.2016 / 5:35 - RSN webcam
Turrialba - emissions 30.04.2016 / 7:52 - RSN webcam
Turrialba - emissions 30.04.2016 / 4:37 pm - RSN webcam
Sources :
- Rapports du Red Sismologica Nacional / RSN / Dr. Maurice M.Mora
- Rapports de l’Ovsicori
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