Soviet President Mikhail S. Gorbachev, who canceled a visit to Cuba after a devastating earthquake in Soviet Armenia, will travel to the island nation in early April, Pravda reported Monday. The Communist Party daily newspaper did not give specific dates for the trip. Gorbachev first planned to visit Havana in December after he traveled to the United States to address the United Nations and meet with the outgoing U.S. president, Ronald Reagan, and George Bush, then the president-elect. He cut short his U.S. visit and returned home upon learning that thousands of people had been killed in the Armenian earthquake that leveled towns and cities on Dec. 7.