Earth - Seismic, Tectonic, Faults, Earthquakes

Earthquake Intensity Scale

Earthquake Intensity Scales There are two primary methods of grading the intensity of an earthquake: Richter magnitude scale – assigns earthquakes a number between 1 and 10 in order of increasing intensity Mercalli intensity scale […]

Earth - Seismic, Tectonic, Faults, Earthquakes

North American Craton

The North American Craton Taken from: The Glossary of Geology (1980) Craton = A part of the Earth’s crust that has attained stability, and has been a little deformed for a prolonged period. As originally […]