GEOLOGY

Detailed explanation-1: -California has more earthquakes that cause damage than any other state. Alaska and California have the most earthquakes (not human-induced).

Detailed explanation-2: -Scientists have long recognized that Alaska has more earthquakes than any other region of the United States and is, in fact, one of the most seismically active areas of the world.

Detailed explanation-3: -It may come as a big surprise to the 39 million people living in California, but the state of Alaska wins the grand prize when it comes to what state has the most earthquakes. Not only is Alaska the most seismically-active state, it also is where the largest earthquake to ever strike the U.S .

Detailed explanation-4: -The 16 states with areas facing the highest risk are Alaska, Arkansas, California, Hawaii, Idaho, Illinois, Kentucky, Missouri, Montana, Nevada, Oregon, South Carolina, Tennessee, Utah, Washington, and Wyoming.

Detailed explanation-5: -The area is marked by subduction zones, where two of the Earth’s tectonic plates meet, according to Randy Baldwin, a geophysicist with the US Geological Survey. One of the fastest-moving underwater tectonic faults in the world is in southeastern Alaska, according to the USGS.