Question

Which phrase best describes the cause of an earthquake?
Responses

intense vibrations
intense vibrations

movement of Earth’s crust under the ocean floor
movement of Earth’s crust under the ocean floor

the

Answer 1

The phrase that best describes the cause of an earthquake is "movement of Earth’s crust under the ocean floor." Earthquakes are primarily caused by the tectonic plates of the Earth's crust shifting and colliding, which often occurs at fault lines, including those that can be located under the ocean.