earthquakes是什么意思？

By reflecting on Americans' previous failures in predicting earthquakes.

By describing the destructive power of earthquakes

Juan Louis, a junior geology major, decided to give an informative speech about how earthquakes occur.

As he prepared the speech, Juan kept asking himself, "How can I make this clear and meaningful to someone who knows nothing about earthquakes or geological principles

Throughout the body of the speech, Juan dealt only with the basic mechanics of the earthquakes and carefully avoid technical terms.

During a megathrust event, all of that stress releases and some of the world’s most powerful earthquakes occur.