[{SlideShowNav}] !!!Volcanic ash cloud [{Image src='110ci.jpg' width='650' height='433' caption='Image courtesy of NASA. ' popup='false' alt='Volcanic ash cloud' class='image_left'}] [{SET customtitle='Volcanic ash cloud'}] \\ A volcanic ash cloud rises above Chiles Puyehue-Cordon Caulle volcano shortly after its eruption on 4 June 2011. Soon after this image was taken, the ash quickly blew eastward towards Argentina. Over the border, near the town of Bariloche, a layer of ash at least 30 cm (12 in) deep covered the ground.