Earthquake
The magnitude is a number that characterizes the relative size of an earthquake. ANSS Comprehensive Earthquake Catalog ComCat Documentation Developers Corner - Library of functions and wrapper scripts for accessing and using tools for the NEIC.
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. Magnitude is based on measurement of the maximum motion recorded by a seismographSeveral scales have been defined but the most commonly used are 1 local magnitude ML commonly referred to as Richter magnitude 2 surface-wave magnitude Ms 3 body-wave magnitude. To get URL for a search click the search button then copy the URL from the browser address bar.
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