The West Napa Fault is longer than previously thought ... up to magnitude 7.1. Others have suggested it connects to the Maacama Fault on the north and the Franklin and Calaveras faults on the ...

the Little Lake Fault, the Maacama Fault, the Anza section of the San Jacinto Fault, the San Bernardino Section of the San Jacinto Fault and the offshore San Clemente Fault. Since scientists first ...

Other studies investigate knickzones in the South Fork of the Eel River, Calif.; the Rodgers Creek-Maacama fault system in the northern California Coast Ranges and its relation to the San Andreas ...

It was at the southern end of the Maacama Fault Zone. The quake was widely felt in Santa Rosa, Calistoga and St. Helena, but was not large enough to do any damage. Cat going a little nuts this ...

"Unlike the Rodgers Creek-Maacama fault to the southwest of the Geysers, there are no mapped, through-going faults in the steam field that are likely to sustain large (greater than magnitude 6.0 ...

the Little Lake Fault, the Maacama Fault, the Anza section of the San Jacinto Fault, the San Bernardino Section of the San Jacinto Fault and the offshore San Clemente Fault. So far, there has only ...

The U.S. Geological Survey says it appears that the quake happened on the Maacama fault, an extension of the Hayward system. The quake began 6.2 miles deep, which is normal for California.

the Little Lake Fault, the Maacama Fault, the Anza section of the San Jacinto Fault, the San Bernardino Section of the San Jacinto Fault and the offshore San Clemente Fault. So far, there has only ...