资讯

By declaring a trade war on the rest of the world, President Donald Trump has panicked global financial markets and raised ...
In the U.S., this preparation hinges in large part on the expertise of scientists and engineers in federal agencies who develop earthquake hazard models and contribute to the creation of building ...
WELLINGTON, New Zealand (AP) — A tsunami warning was canceled for Papua New Guinea after a strong magnitude 6.9 earthquake, according to the U.S. Geological Survey. The quake was shallow, striking the ...