资讯

The ground-shaking that an earthquake generates is only a fraction of the total energy that a quake releases. A quake can ...
It turns out that the familiar ground-shaking is only a small portion (10%) of the total energy released. While a tiny fraction of the quake’s energy (less than 1%) fractures rocks, up to 80% of it is ...
A geologic survey of the Connecticut River Valley is being conducted to map the presence of pyrrhotite, a mineral that can ...
An earthquake was registered near Narragansett. The U.S. Geological Survey says it happened just after 11:30 p.m. on Thursday. It was registered as a 1.8 magnitude about 3 miles off the shore of ...