Northern California quake was a mistake, USGS saysReutersSAN FRANCISCO, April 30 (Reuters) - The US Geological Survey accidentally reported an earthquake in Northern California because scientists did not review an automated alert, a geophysicist said on Friday. The USGS system had reported a magnitude 5.0 ...Computer error signals erroneous report of quakeThe Associated PressFalse alarm raised over Napa quakeSan Jose Mercury NewsCalifornia quake report was incorrect - US officialBBC NewsRight Juris -KTNV Las Vegas -LAist (blog)all 147 news articles »