A major eruption started at Russia’s Sheveluch volcano at 16:20 UTC on June 14, 2017. KVERT reports a plume of ash reached a height of 12 km (39, 360 feet) above sea level and warned explosions up to 15 km (49,200 feet) could occur at any time. The Aviation Color Code was raised from Orange to Red. At 19:00 UTC, vast ash cloud (140 x 60 km / 87 x 37

miles) from the eruption was observed about 64 km (40 miles) to the southwest and 76 km (47 miles) to the northwest from the volcano, KVERT said at 19:32 UTC. By 20:20 UTC, ash cloud grew to 196 x 223 km (122 x 138 miles). Front of ash cloud with a large content of ash particles (67 x 54 km / 41 x 33 miles) was observed about 96 km (59 miles) north-northwest of the volcano, but the other front of ash cloud was 118 km (73 miles) southwest of the volcano.  READ MORE