One of the busiest airports in the United States, San Francisco International Airport (SFO) is also an important gateway for ...

According to the California Earthquake Authority, there are more than 1.2 million homes built before 1980 that are in high hazard areas, vulnerable to collapse or destruction by a strong earthquake.

From late July to October 2022, residents of the Manu'a Islands in American Samoa felt the earth shake several times a day, ...