The Japan Coast Guard (JCG) did a flight observations yesterday. An explosions at the volcano generated a dense gray and black ash plumes, which rose approx. 6,561 ft (2,000 m) above the summit. Emissions of ash content is extending about 130 km to the east of the volcano. Blocks were ejected as far as 2,5 km away from the crater. Lava effusions continue to be active on the northeastern slopes…