Indonesian authorities are warning people to stay away from Mt . Lokon . in the province of North Sumatra after a landslide triggered by heavy rain has killed at least four people. A 2.5 kilometer exclusion zone has been set up around the volcano . An eruption by Mt . Lokon in July prompted the evacuation of thousands of residents .
Indonesian authorities are warning people to stay away from Mt . Lokon . The volcano erupted Friday , spewing ash 2 kilometers into the sky . A 2.5 kilometer exclusion zone has been set up around the volcano . An eruption by Mt . Lokon in July prompted the evacuation of thousands of residents .