No violence accompanied this change; the matter thrown out was in vast quantities, and the liquid material oozing out from the abysses of the earth slowly spread in extensive plains or in hillocky masses.

这一变化并没有伴随着暴力；抛出的物质数量巨大，从大地深渊渗出的液体物质慢慢地扩散到广阔的平原或丘陵地带。