资讯

The ground-shaking that an earthquake generates is only a fraction of the total energy that a quake releases. A quake can ...
Surprisingly, they found that only around 10% of a quake’s energy causes the physical shaking most people associate with ...
It turns out that the familiar ground-shaking is only a small portion (10%) of the total energy released. While a tiny ...
A geologic survey of the Connecticut River Valley is being conducted to map the presence of pyrrhotite, a mineral that can ...
Studying the earth from 1,000 feet up, a USGS aerial survey is looking for pyrrhotite and other dangers under New England ...
A string of natural disasters and global conflicts, combined with drastic cuts to international aid means that some of the world’s neediest people are suffering from serious ...