earthquake

To plumb deeper structure all the way down to Earth’s core, SinoProbe II will rely on several thousand “passive” seismometers across China, listening for earthquakes near and far.

The primary upset was viewed as a political earthquake at the time as Crowley was then the fourth highest-ranking congressional Democrat, serving as the chair of the Democratic Caucus.

The ground trembled so violently some people thought there was an earthquake.

"This could also apply to new terrain that forms after earthquakes or landslides where you have more or less the same situation, a mineral or rock-based substrate."

The dam is now undergoing a retrofit that will raise its crest by 10 feet and fortify the dam for earthquake safety.