A STRONG EARTHQUAKE registering 6.8 on the Richter scale jolted northern Peru shortly before midnight Thursday, the U.S. Geological Survey's national earthquake center said. There were no immediate reports of damage or injuries . . . HENRY SHAPIRO, a 36-year veteran reporter for United Press International who covered the Soviet Union, died Thursday night of a stroke in Madison, Wis., at age 84 . . . A DC-3 FLYING from a remote mining camp crashed onto a frozen lake in northern British Columbia, killing six of the seven people aboard, police said . . . AN ARIANE ROCKET successfully boosted the first in a new series of advanced Canadian communications satellites into orbit in the 43rd flight of the French-built launcher at Kourou, French Guiana.