在海拔约3900米(13000英尺)的地方,Arroumd村庄坐落在摩洛哥阿特拉斯山脉的一大堆岩石之上。130多年来,岩石堆的起源一直困扰着科学家们。大多数人认为是冰川沉积岩的运动,但是现代最先进的技术指出,4500年前的地震活动是罪魁祸首,这个村庄坐落于靠近临近悬崖下面的主要构造断层。
Although a glacier probably eroded the face of the cliff, making it vulnerable to collapse, the avalanche occurred approximately 7,000 years after the glacier melted. So the glacier may have made the cliff more likely to collapse, but an earthquake was probably the actual trigger of the avalanche of rocks. Even beyond the huge pile of rocks, Arroumd is a mysterious place. “Several incidents occurred at the site, including some accidents—minor, thankfully–and mystery ailments to those who went there,” said lead researcher Philip Hughes. “I always joke about the ‘curse of the Arroumd landform. This year, we encountered severe whirlwinds when entering the valley . . . We were unable to stand on our feet, which is rather unusual for this part of the world, where climate is often hot and calm.”
尽管雪崩之后的7000年,冰川融化可能侵蚀悬崖,使它容易断裂。所以我们认为冰川可能使悬崖崩溃,但实际上可能是地震引发雪崩落下的岩石。
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