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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]
The ISC-GEM Global Instrumental Earthquake Catalogue (1900-2013) (prepared at the request of the GEM Foundation) catalogs magnitude 5.5 or greater earthquakes suitable for modeling and assessing seismic hazard and risk. Epicentral locations and hypocentral depths were recalculated from original travel time data using a consistent velocity model.
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 ...
About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely noticed by people living where they happen.
An updated map of the Morocco M6.9 earthquake shows the aftershocks in purple, and includes the Moroccan earthquake catalog from Pelaez et al. (2007) with a 1955 M5.8 earthquake near today’s ...
Iceland is experiencing a seismic swarm as 1,485 earthquakes have hit the country in just 48 hours prompting fears of a volcanic eruption.. Most tremours have been felt in the Reykjanes peninsula ...
Population increase, habitation spread, and advances in earthquake detection technology all contribute to higher earthquake numbers being recorded over time. USGS's Website has more information. For exact dates and live earthquakes please visit USGS's Global Earthquake Search Page and Real-time Earthquake Map or EMSC's Real-time Seismicity.
The IMO said an earthquake of 5.0 magnitude — the largest since seismic activity began on October 25 — was measured by Fagradalsfjall, a volcano located about 19 miles from the capital city of ...