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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 ...
2006 Kuril Islands earthquake and tsunami – magnitude 8.3 earthquake, no injuries or fatalities anywhere; 2009 Samoa earthquake and tsunami – magnitude 8.0 earthquake with an epicenter 120 miles (190 km) southwest of American Samoa generated tsunami waves up to 16 feet (5 m), killing 34 people in American Samoa and causing extensive damage [39]
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]
U.S. Geological Survey National Center in Reston, Virginia Earthquake animations from May 16 to May 22, 2010 Earthquakes around the world from April 23 to May 23, 2010. Since 2012, the USGS science focus has been directed at topical "Mission Areas" [8] that have continued to evolve. Further organizational structure includes headquarters ...
USGS focal mechanism for the 2004 Indian Ocean earthquake. The fault plane responsible for the earthquake will parallel one of the nodal planes; the other is called the auxiliary plane. It is impossible to determine solely from a focal mechanism which of the nodal planes is the fault plane.
The USGS ANSS (Advanced National Seismic System) Comprehensive Catalog (ComCat) is the authoritative and preferred source for near-realtime information about earthquakes and other seismic events (such as nuclear weapons tests) of magnitude 5.0 or greater anywhere in the world. ANSS is focused on providing accurate and timely information about ...
ShakeAlert is an earthquake early warning system (EEW) in the United States, developed and operated by the United States Geological Survey (USGS) and its partners. [1] As of 2021, the system issues alerts for the country's West Coast (specifically the states of California, Oregon and Washington). It is expected that the system will be expanded ...
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.