Magnitude 4.1 - SAN FRANCISCO BAY AREA, CALIFORNIA

PALO ALTO ONLINE:
Two earthquakes -- a 4.1 and a 1.6 -- rattle area
10:09 a.m. quake centered north of Milpitas; 1.6 magnitude quake follows

Two earthquakes struck the South Bay this morning, the U.S. Geological Survey is reporting. Centered east-northeast of Milpitas, the first had a preliminary magnitude reading of 4.1 and struck at 10:09, the second -- a 1.6 -- followed at 10:22 a.m. The temblors were felt in Palo Alto as well.

Both followed another, 2.8 magnitude quake that occurred Wednesday night in the same area, near the intersection of the Calaveras and Hayward faultlines, David Oppenheimer of the Geological Survey told KCBS radio.