Xinhua News Agency, June 18, the Philippine Volcano Seismological Research Institute released today that from 5: 00 a.m. on the 17th to 5: 00 a.m. this morning, the Mayon Volcano in the Philippines continued to slowly spew magma down the mountain, with a length of 1.5 kilometers. On the 17th alone, more than 1000 tons of sulfur dioxide gas was discharged. At present, the Mayon volcano is still in a state of alert level 3, which means that the volcano is "relatively unstable." Known for its "perfectly conical" mountains, Mayon is the most active volcano in the Philippines.