The USS Arizona was destroyed by a 1,760 pound armor piercing bomb from a horizontal bomber. The destruction of the USS Arizona was entirely the work of horizontal bombers from Japan.
The 1,760 pound armor piercing bomb hit near number 2 turret. The explosion that was from the USS Arizona was not fully explained. An armored deck protected the ammunition in the USS Arizona. Some people think that a bomb from a horizontal bomber went in the ammunition and exploded.1,177 out of 1,513 people died on the USS Arizona.
The USS Arizona was the most heavily damaged ships out of all the battleships in Pearl Harbor. The USS Arizona suffered by 3 bombs that nearly missed the USS Arizona and 4 direct hits to it. About 333 survived aboard the USS Arizona. After Pearl Harbor was attacked the USS Arizona could not be repaired and sunk right by Ford island.
In 1962 the USS Arizona memorial was built to represent all the military and associated personnel killed at Pearl Harbor. The memorial was also built to let all 1,177 people that died on the USS Arizona to rest in peace. It contains all the names of people that died on the USS Arizona.

Sources

http://members.aol.com/azmemph/ussaz.htm

National Park Service U.S Department of the Interior

Pearl Harbnor Recalled New images of the day of Infamy