What is an Earthquake?
Know what is an earthquake and how they occur.
Which studies have been performed on earthquake predictions?
The Size of an Earthquake
Learn about the scales used to measure an earthquake magnitude.
Earthquake Secondary Effects
Learn about what comes after an earthquke.
Glossary: Terms of Seismology
Meanings for the wide variety of terms used in the study of earthquakes.
Seismicity Zones at Puerto Rico
In this section you can see the behavior of the tectonic plates as well as the eight zones where the economic activity is concentrated in Puerto Rico.