"Normally, hurricanes that form over the tropical north Atlantic and tropical north Pacific Oceans are initially steered by the"

Trade winds.

Explanation:

The global hurricanes are steered by the movement of the trade winds and they move from east to west in the tropics as the westerlies move in the opposite direction caused by the impact of the Coriolis force. Also, they are affected by the high-pressure systems.

Geologists use  seismic waves to  locate an earthquake's epicenter.. 

Early in the story when tom finds an indian skull in the woods which he kicks in temper. the devil then makes his appearance and, as tom surveys him, he notices that the devil is neither "negro" nor "indian." in fact, he has a "swarthy" complexion and is "begrimed with soot."