It has been 15 years since this part of Hawaii has seen lava flow like this.自夏威夷该处被发现以来，熔岩已像这样持续15年之久了。
Lava flow on the south flank of South Sister. Photograph by Steve Mattox, August 1987.译文：三姐妹山南峰南坡上的熔岩流。史蒂夫·马托克斯在1987年8月拍摄。