Large earthquakes get our attention for many reasons, but sometimes, the earthquake swarms can be more dangerous than the big quakes.
Earthquake swarms are a sign of major earth movement, and they also warn of underlying volcanic activity. Either way, earthquake swarms are a warning to pay attention before major damage is done.
Right now, there are three areas of significance that are experiencing earthquake swarms :
- Canary Islands; approx 120 quakes above 1.8 magnitude and more than 40 quakes up to 3.2 magnitude in the past 24 hours
- Puerto Rico; occurring at same time the US Craton quakes occurred
- Mariana Islands; on the volatile Ring of Fire and SW of the Mariana Trench/subduction zone.
![Small USGS globe of Puerto Rico in the Caribbean Sea](http://www.extinctiontheory.com/wp-content/uploads/2013/12/Puerto-Rico.jpeg)
Earthquake swarm at Puerto Rico in the Caribbean Sea – USGS
![The USGS small globe showing the 5.9 Earthquake off the Azores Islands, Portugal on April 30, 2013.](http://www.extinctiontheory.com/wp-content/uploads/2013/04/Azores_smallglobe_usgs.gif)
Earthquake swarm at the Canary Islands in the Atlantic – USGS
![USGS small globe of Mariana Islands](http://www.extinctiontheory.com/wp-content/uploads/2013/12/Mariana-Isl.jpeg)
Earthquake swarm north of the Pacific Mariana Islands – USGS