April 19, 20113.7 MEASURED ON 105TH ANNIVERSARY OF THE ’06 QUAKE 04/18/11 16:00 S.S. Local News by Susan Simon TODAY, WHICH WAS THE 105TH ANNIVERSARY OF THE 1906 QUAKE, A 3.7 MAGNITUDE QUAKE SHOOK NEAR SAN FRANCISCO. THE 2.57 P.M. QUAKE WAS EPI-CENTERED 2 MILES SOUTHWEST OF PACIFICA.