SUBCATEGORY02 PUBLISHED GUIDES
Earth Systems
Laws and principles filed under Nature & Cosmos / Earth Systems.
PUBLISHED GUIDES
Earth Systems
Every guide includes meaning, mechanism, applications, limitations, related concepts, and traceable references.
Earth Systems031
Earthquake magnitude-frequency relation
Gutenberg-Richter Law
In many regions and time windows, the cumulative number of earthquakes decreases approximately tenfold for each unit increase in magnitude.
Earth Systems037
Empirical aftershock-decay relation
Omori-Utsu Law
Aftershock occurrence rates commonly decline approximately as an inverse power of elapsed time after a mainshock.