An earthquake is a natural occurrence that involves the shaking and trembling of the Earth's surface.

The Federal Aviation Administration (FAA) is an agency of the United States Department of Transportation.

The National Oceanic and Atmospheric Administration (NOAA) is a scientific agency within the United States Department of Commerce that focuses on understanding and predicting changes in the Earth's environment.

The National Weather Service (NWS) is an agency of the United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and general information.

The Pacific Ocean is the largest and deepest ocean on Earth, covering approximately one-third of the planet's surface.

The Pacific Tsunami Warning Center (PTWC), located on Ford Island, Hawaii, is one of two tsunami warning centers in the United States, covering Hawaii, Guam, American Samoa and the Northern Mariana Islands in the Pacific, as well as Puerto Rico, the U.

A satellite is an object that orbits another object in space.