阿拉斯加火山观测站每年记录五千次。
The Alaska Volcano Observatory records five thousand a year.
克里斯从阿拉斯加火山观测站奈伊说，所有三个国家爆发无预警来了。
Chris Nye from the state of Alaska's Volcano Observatory says all three eruptions came without warning.
蒙特塞拉特火山观测站报告指出，一些大约15米（49英尺）厚的火山碎屑，奔流到了特兰特湾的海里。
The Montserrat Volcano Observatory reported that some flows, about 15 meters (49 feet) thick, reached the sea at Trant’s Bay.
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