Edited sentence: As the volcano was capped by an early autumn snowfall to its foothills the melting for snow and ice from Pichillancahue-Turbio Glacier produced together with the heavy rainfalls several lahars.Dwellers at Coñaripe, a wood-logger town woke up in the night and fled to the surroundings hills while it was raining after hearing strong noises and temblors.On March 1 at 02.45 the volcano begun a strombolian eruption.The two last weeks of February in 1964 the volcano showed signs of unrest such as small but still violent lava effusions follower by temblors