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Popular pages
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Earthquake Hazards Program | U.S. Geological Survey
June 11, 2025 Raw seismological waveform data contain noise from the instrument’s surroundings and the instrument itself that can dominate recordings at low and high frequencies. To use these data i...
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Latest Earthquakes
Javascript must be enabled to view our earthquake maps. To access USGS earthquake information without using javascript, use our Magnitude 2.5+ Earthquakes, Past Day ATOM Feed or our other earthquake f...
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Earthquake Hazards Program | U.S. Geological Survey
M 6.9 October 17, 1989 Loma Prieta Earthquake The 1989 Loma Prieta earthquake ended decades of tranquility in the San Francisco Bay region. It was a wakeup call to prepare for the potentially even ...