Aresult in the largest area of ground shaking damage. deep-focus quake off the coast of north africa very deep-focus quake beneath the aleutian islands shallow-focus quake along the mississippi valley fault zone shallow-focus quake along the san andreas fault

The horse latitudes-high-pressure zones about 30 degrees north and 30 degrees south of the equator.-warm air traveling away from the equator cools and sinks-weather tends to be clear and drythe doldrums-low-pressure near equator-air rises and spreads out toward the poles-rising moist air produces clouds and heavy rainthe westerlies-blow from the west-move from the horse latitudes toward the poles.-bring storms across much of the united statesthe tradewinds-blow from the east-move from the horse latitudes toward the equator  -strong, steady winds

Answersystem;

Iwas thinking the wavelength is one half its original value