June 29, 2016
At 5:23, the Turrialba volcano is in weather conditions that prevented a clear observation of the massif.
As shown on the seismogram of VTCG seismic station located at the park ranger station, the tremor who took over last night at 9:25 p.m., lasted about an hour and a half, and then came again with a calm process.
Ash falls fall in small quantities were reported in Coronado.
The OVSICORI remains vigilant on any new activity of the Turrialba volcano.
Volcanic Tremors: seismic signal of varying amplitude and continuous low frequency (0.5-5 Hz) lasting from minutes to several days or more generated by the vibrations produced by the passage of fluids (gas, water or magma) into cracks and ducts inside the volcano.
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July 01 , 2016.Turrialba , Costa Rica :
Source : Ovsicori