2003年11月16日上午8时43分,一次里氏7.5级的海底地震在阿拉斯加附近海域发生了,在不到25分钟的时间里,美国国家海洋与大气管理局便向美国太平洋沿岸地区发出了海啸警报,40分钟后,在距阿拉斯加南面好几百公里的海底里,一只压力传感器捕获到了这次海啸的前锋波浪。数据显示,这些 At 8:43 a.m. on November 16, 2003, a sea level earthquake measuring 7.5 on the Richter scale occurred in the waters near Alaska. In less than 25 minutes, the US National Oceanic and Atmospheric Administration issued a statement to the Pacific coast of the United States. Tsunami warning, 40 minutes later, in the seabed hundreds of kilometers south of Alaska, a pressure sensor caught the wave of the tsunami striker. The data shows that these