[解析]
(1)D.细节理解题。根据第一段中的Boats crashed into a quiet harbor in Southern California,a remote island was battered in Japan by 4 foot waves and two women were swept to their deaths on a beach in Peru some 6,000 miles from an undersea volcanic eruption so powerful that the tsunami which it set off stirred ocean waters halfway across the globe.(船只撞上了南加州一个安静的港口,日本一个偏远岛屿被4英尺高的海浪袭击,两名妇女在距离海底火山爆发约6000英里的秘鲁海滩上丧生,火山爆发的威力如此之大,引发的海啸搅动了半个地球的海水。)可知,美国,日本和秘鲁都受到了汤加海底火山爆发的影响,冰岛没有,故选D。
(2)C.细节理解题。根据第一段中的an undersea volcanic eruption so powerful that the tsunami which it set off stirred ocean waters halfway across the globe.(一次强大的海底火山爆发引发的海啸搅动了半个地球的海水)可知,火山搅动了50%的海水,故选C。
(3)B.推理判断题。根据倒数第二段中的But with heavy concentrations of airborne ash making flights impossible,just like the Iceland volcano eruption in 2021,it was difficult even to know what was needed.(但就像2021年冰岛火山爆发一样,由于空气中的火山灰浓度过高,飞行变得不可能,甚至很难知道需要什么。)可推断出,2021年冰岛火山爆发导致附近航班延误。故选B。
(4)A.文章出处题。通读全文内容可知,本文主要讲的是汤加受到火山喷发的影响而与世界其他地区基本隔绝。因此可知本文出现在报纸上,故选A。