Nevado del Ruiz : ash plume.

On the morning of July 26, 2015, seismographs of the Observatory of Manizales recorded volcanic tremor at Nevado del Ruiz.

The issuance of a plume of ash and gas was observed from Manizales and by the webcams, amount to about 3,000 meters. The winds then pushed westward. Ash falls were reported in Santa Rosa de Cabal, Dosquebradas, and Pereira.

During the day, the tremor decreased in energy and amplitude. The Nevado del Ruiz has  presented while a white plume of gas and steam, rising above 300 meters.

Around 19:45, an earthquake of 3.7 M / depth of less than 30 km, was recorded; its epicenter was located 8.5 km from Manizales. This earthquake is not related to the activity of the Nevado del Ruiz, but to regional geological faults.

The level of the volcano remains at III - yellow / changes in the behavior of the volcano.

Source: Observatorio volcanologico Manizales.