Chilean officials person enactment a information informing successful spot aft a volcano sent an eruptive file 6,000m (almost 20,000ft) into the sky.
Lascar volcano, which sits successful the Andes, rumbled into enactment connected Saturday, triggering insignificant world tremors.
No harm successful the surrounding country has truthful acold been reported, but an archetypal greenish informing was raised to yellow.
Chile's National Geology and Mining Service (Sernageomin) defines "yellow" arsenic meaning a volcano is unstable.
The classification besides means experts are monitoring a tract for insignificant explosions and appearances of smoke, according to Sernageomin.
Residents of Talabre, Antofagasta, a tiny municipality little than 12km (7 miles) from the volcano, archetypal noticed immoderate enactment astatine astir midday.
Despite the elephantine unreality of fume that Lascar emitted - comprising volcanic ash and blistery gases - nary homes are thought to person been damaged. Authorities person acceptable up a no-entry perimeter 5km from the volcano's crater.
Lascar, successful the northbound of the country, is 70km from San Pedro de Atacama, a fashionable tourer destination for trekking and visits to the Atacama Desert, the driest spot connected Earth.