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ampvideo_youtubeSan Francisco Chronicle1 hour ago
Keith Knudsen, deputy director of the USGS Earthquake Science Center. said the quake, which was originally estimated as a 5.0 then downgraded to a 4.8, occurred on or near the San Andreas Fault. It was the 10th earthquake with a magnitude of 4.0 or greater in the area in the past 20 years, he said.
Like all earthquakes, this is a reminder that we live in earthquake country, and the anniversary, said Keith Knudsen, a geologist and deputy director of the U.S. Geological Surveys Earthquake Science Center. Hopefilly with these two events people will think about whether they are safe and take t
More than 70,000 people reported feeling the quake on the U.S. Geological Survey website, said Keith Knudsen, a geologist and deputy director of the U.S. Geological Surveys Earthquake Science Center. He hopes that information can be paired with information from earthquake sensors to help learn more
