地震破裂力学

April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the ci

发表于:2018-12-30 / 阅读(35) / 评论(0) 分类 国家地理2008年

The arrival of the P-waves in Valparaiso feels like a long sonic boom. Windows and buildings shudder. Some of the P-waves shoot up into the atmosphere, emitting a frightening roar. The secondary waves follow, carrying most of the earthquake's energy.

发表于:2018-12-30 / 阅读(84) / 评论(0) 分类 国家地理2007年

地震提醒加州人预备应对灾难 A series of moderate earthquakes that rocked Los Angeles recently have reminded residents to be ready for a disaster. Safety experts say every household needs a plan, supplies of food and water, and emergency e

发表于:2019-01-19 / 阅读(39) / 评论(0) 分类 VOA双语新闻 2014年4月

April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the cit

发表于:2019-01-22 / 阅读(58) / 评论(0) 分类 自然百科2008年

Science and Technology Seismology and tsunamis Making waves 科技 地震学与海啸 掀起新浪潮 A better tsunami-prediction system is now under development 更精准的海啸预测系统现已在开发中 GEOLOGISTS have long known that some ma

发表于:2019-01-26 / 阅读(36) / 评论(0) 分类 经济学人科技系列

Science and Technology Seismology and tsunamis Making waves 科技 地震学与海啸 掀起新浪潮 A better tsunami-prediction system is now under development 更精准的海啸预测系统现已在开发中 GEOLOGISTS have long known that some ma

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 经济学人科技系列