A devastating earthquake hit Puerto Rico recently.Which is the capital city of Puerto-Rico ?

A devastating earthquake hit Puerto Rico recently.Which is the capital city of Puerto-Rico ?

A. Port Moresby
B. San Juan
C. Suva
D. Valleta

The Government of Puerto Rico recently declared a state of emergency, after it was hit by a deadly earthquake. The 6.4 magnitude quake was the strongest and the most devastating earthquake, the country has ever had for hundred years.
Puerto Rico is a group of islands located in the Caribbean Sea. It is one of the unincorporated territories of the United States. The capital city and the largest city of the country is San Juan.