The alert level of Lanin volcano was raised to yellow by the Chilean National Geology and Mining Service (Sernageomin) after a swarm of 59 quakes in 45 minutes hit Lanin volcano on February 15, 2017. Chile and Argentina on Alert due to this sudden increase in volcanic activity! Next large eruption ahead? The last explosion of the volcanic peak occurred about 1500 years ago.
According to the special report of volcanic activity, a simultaneous succession of volcano-tectonic seismic events (VT) and spasmodic tremor was recorded from 3:24 pm. This kind of seismicity is associated with movement of fluids inside the volcano. This has happened in combination with long period earthquakes (LP). The first seismic swarm recorded 59 events in 45 minutes. READ MORE