Science news articles about 'parkfield calif'

... recently, with improved technology, to obtain the necessary precision and reliability." In experiments near Parkfield, Calif., in late 2005 and early 2006, Niu, Silver and colleagues from Lawrence ...

PARKFIELD, Calif., July 9 (UPI) -- U.S. scientists say they observed changes in seismic wave speeds before two small California earthquakes -- a finding that might lead to quake forecasts.

... Christmas in 2004 set off such tremors nearly 9,000 miles away in the San Andreas fault at Parkfield, Calif. "We found that an earthquake that happened halfway around the world could ...

... island of Sumatra on the day after Christmas in 2004 set off tremors nearly 9,000 miles away in the San Andreas fault at Parkfield, Calif.

... segment of the San Andreas Fault near Parkfield, Calif. The research is reported in the July 10 ... quake, tremor activity was low beneath the Parkfield and Cholame segments of the San Andreas Fault, ...

... examined more than 20 years of seismic records from Parkfield, Calif., which sits astride the San Andreas ... Landers quake destabilized the fault near Parkfield, causing a series of magnitude 4 quakes ...