By Lisa M. Krieger and Sandra Gonzales
Mercury News
Mercury News
The reflex-and-roll felt throughout the Bay Area on Friday afternoon raw nerves of a lot, but scientists say the earthquake of magnitude 4.1 was followed by several small, was routine in an area known for seismic disturbances.
The earthquake 13 miles southeast of San Jose City Hall at 4:10 on Friday in a clock lock-up patch of rocks deep below the earth near the Calaveras fault in a secluded, oak landscape occupied.
The quake was felt as far away as Santa Cruz and Martinez was fired the latest in a series of random shocks by debt without rest, it is regularly published by the Earth causes continental plates.
Its epicenter was located only 1.5 miles from downtown
caused the infamous 1984 quake in Morgan Hill, the loss of over $ 10,000,000. But USGS scientists do not believe it is a precursor of this great earthquake. They predict a recovery at this point in another 30 years."There is no absolute value for the Calaveras shake-4, hit things on the shelf, but probably can not cause structural damage, unusual," said USGS seismologist David Oppenheimer, who is based in Menlo Park.
Around the South Bay and elsewhere, the quake shook more than a few people, although no one reported any damage.
"Everything shook and rolled into our offices," said Petra Albrecht, a forensic investigator for the Santa Clara County Medical Examiner-Coroner
Office.Randy Christopher from San Jose Fire Department, the earthquake triggered several false alarms, including one caller who reported the gas in her building.
"They freaked me," said Christopher.
Although residents in Milpitas and San Jose felt the quake, the police have not received an influx of phone calls.
said: "I was very surprised that nobody said. I felt a little rocky, "Milpitas police dispatcher Belen Anaya.
Others as far away as Petaluma and San Bruno, however, were a bit shaken.
"I felt it in San Bruno, sitting on the couch watching television when the bed started shaking," said Jennifer Capizzi Mercury News "Facebook page.
Sarah Alexander was at the Clark Center on the campus of Stanford University, where the quake struck. "We felt a little shimmy," writes Alexander.
Residents of Morgan Hill and Gilroy, but said he did not feel the earthquake.
episode Friday from small earthquakes measured 2.6, 2.1, 1.4 and 1.1 of the size, "said Oppenheimer.
The exact location was identified as 11 miles south of Alum Rock and 10 miles south of Mount Hamilton.
The region near the junction with the Hayward Fault, an area of ongoing and often imperceptible slip of land that is broken sidewalks regularly in Hayward and Fremont. But small portions of the rock - about four football fields in size - sometimes stuck, triggers an earthquake, when she suddenly give way.
In contrast, the San Andreas Fault, which caused the massive earthquake that ruined 1906 San Francisco, has no analysis - it locked up, then suddenly released with destructive power, "said Oppenheimer.
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