The weather agency raised the volcanic alert level Monday for Satsuma-Iojima Island in Kagoshima Prefecture, southwestern Japan, citing an increase in volcanic earthquakes.The Japan Meteorological Agency raised the alert level for the volcano from 1 to 2 on a scale of 5, warning against approaching the crater. It had previously advised people that the volcano is active.The agency warned that areas within approximately 1 kilometer of the crater could be affected by flying rock if an eruption occurs.It observed volcanic temblors on the island 12 times on Thursday and 51 times as of 11:30 a.m.…READ FULL ARTICLE