In most cases, we locate and report on earthquakes worldwide of magnitude 5.0 and larger in 30 minutes or less. Additionally, we locate and report on earthquakes magnitude 4.0 and larger within the contiguous U.S. and populated regions of Alaska within 30 minutes.
Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options. Clicking the about icon in the top right corner loads this page. Bookmark to save your settings. Links. About - Latest Earthquakes; Missing Earthquakes; ANSS Comprehensive Earthquake Catalog (ComCat) Documentation