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  2. United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area.

  3. ShakeMap - Wikipedia

    en.wikipedia.org/wiki/ShakeMap

    According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...

  4. Advanced National Seismic System - Wikipedia

    en.wikipedia.org/wiki/Advanced_National_Seismic...

    Logo of the ANSS. The Advanced National Seismic System (ANSS) is a collaboration of the United States Geological Survey (USGS) and regional, state, and academic partners that collects and analyzes data on significant earthquakes to provide near real-time (generally within 10 to 30 minutes [1]) information to emergency responders and officials, the news media, and the public. [2]

  5. List of earthquakes in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_the...

    Lists, Maps, and Statistics at United States Geological Survey (USGS) Earthquake history of the United States through 1970 at USGS; Earthquake Data and Information at National Centers for Environmental Information (NCEI) Thomas Fuller; Anjali Singhvi; Mika Gröndahl; Derek Watkins (June 4, 2019). "Buildings Can Be Designed to Withstand Earthquakes.

  6. National Earthquake Information Center - Wikipedia

    en.wikipedia.org/wiki/National_Earthquake...

    These efforts are all aimed at mitigating the risks of earthquakes to mankind; and they are made possible by the fine international cooperation that has long characterized the science of seismology. Using a combination of automated tools and human review, NEIC issues moment magnitude and location information as soon as possible after a quake.

  7. List of earthquakes in 2025 - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_2025

    This is a list of earthquakes in 2025. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties. All dates are listed according to UTC time. The maximum intensities are based on the Modified Mercalli intensity scale. Earthquake magnitudes are based on data from the USGS.

  8. 2021 South Sandwich Islands earthquakes - Wikipedia

    en.wikipedia.org/wiki/2021_South_Sandwich...

    The 2021 South Sandwich Islands earthquakes were a pair of powerful earthquakes, followed by many strong aftershocks which struck along the South Sandwich Trench in August 2021. The quakes measured 7.5 and 8.1 on the moment magnitude scale , according to the United States Geological Survey .

  9. Ramapo Fault - Wikipedia

    en.wikipedia.org/wiki/Ramapo_Fault

    Thus, earthquakes represent at least a moderate hazard to East Coast cities. Earthquakes in the greater New York City area affect most of New Jersey, the most densely populated state in the United States, as well as New York City. It is difficult to discern the extent to which the Ramapo fault itself (or any other specific mapped fault in the ...