Tag Archives: CERT

Sunday’s quake: UC Berkeley scientists gave 10-second warning; a wake-up call for emergency preparedness

Screen shot 2014-08-24 at 9.33.01 PM
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Unbeknownst to some, the magnitude 6 Napa County earthquake that woke many people up in Berkeley at 3:20 a.m. on Sunday morning was “predicted” by scientists in our very city with a 10-second warning about the trembler.

The alert was issued by the UC Berkeley Seismological Laboratory’s ShakeAlert earthquake early-warning project. The demonstration warning system provided 10 seconds warning (as shown in the video above) at laboratories in Berkeley, San Francisco, Oakland and San Jose. It preceded a quake that was the largest to hit the San Francisco Bay Area since the devastating 6.9-magnitude Loma Prieta earthquake 25 years ago in 1989.

ShakeAlert is not a predictive tool — predicting quakes is still beyond the expertise of even the most eminent seismologists; rather it is being developed to act as an early-warning system to help minimize quake damage. For example, with even a little warning, BART trains could slow down to avoid derailment, utilities companies could shut off gas vales to prevent fires, elevators could be stopped and their doors opened at a floor, and surgeons could stop operating.  … Continue reading »

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Magnitude 6 earthquake rattles Berkeley in early hours

USGS shake map for the Aug. 24 American Canyon earthquake shows where it was felt most intensely.
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A magnitude 6 earthquake shook many people awake in Berkeley at 03:20:44 a.m. on Sunday Aug. 24.

According to the U.S. Geological Survey (USGS), the epicenter of the shaker was 4 miles north-west of  American Canyon, California, and registered a depth of 6.7 miles. American Canyon is north of Vallejo and about 28 miles north of Berkeley.

People took to Twitter almost immediately after the quake, which was felt around the Bay Area and lasted a significant time. It was described by one person as “a long roll.” … Continue reading »

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