@nbcbayarea: Ever wonder how "Shake Alert" works? We tagged along with USGS scientists as they installed sensors for their earthquake warning systmem. “Shake Alert” doesn’t predict earthquakes, but it can give people “seconds” to prepare before the stronger shaking begins. Check out this video from our archives. #earthquakes #california #bayarea #shakealert

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Thursday 17 October 2024 23:05:00 GMT