University of Puerto Rico researcher Zamara Fuentes, who isn't involved in ten Brinks' research, said one quake in this region in 1918 created a tsunami that killed 116 people on Puerto Rico. Fuentes studies sediment cores around the Caribbean to look for evidence of past tsunamis.
The 45th and current President of the United States is Donald J. Trump. He was sworn in on January 20, 2017. According to Article II of the U.S. Constitution, the President must be a natural-born citizen of the United States, be at least 35 years old, and have been a resident of the United States for 14 years.
Prior to being  elected President he was a US Senator from Illinois and before that  served three terms as an Illinois state senator   .   Barack Obama became president of the United States of America in  2009 and is the current president. Before he became president there  was George W. Bush and Bill Clinton. The name of the U.S. President is Barack Obama. He has held this  position since 2009.