Location and magnitude information for all Oklahoma earthquakes from 1977 to present. Some seismograms. Catalog of greater than 3.5 magnitude Oklahoma quakes from 1882-1977.
Oklahoma earthquake catalog
Only Oklahoma quakes are listed in the catalog, but a statewide system of 9 seismograph stations operates continuously to detect and record major ground motion from throughout the world. Some of the information obtained is included on the website.
