An ongoing swarm of earthquakes has been occurring for 30 days with no end in sight.
They are appearing all around Puerto Rico as well as on the nearby Islands where the dangerous Puerto Rico Trench subduction zone is situated. Is that swarm a sign of a devastating earthquake tsunami?
About 180 earthquakes hit Puerto Rico and surrounding islands in the past month with more than 71 in the last seven days.
OK, but it is just a swarm on a subduction zone… No big deal?
The tectonic profile of the Puerto Rico Trench subduction zone is sometimes compared to that of the Sumatra subduction zone, the site of the earthquake that triggered the devastating Indian Ocean tsunami of December 2004 killing some 250,000 people.
Here a Puerto Rico tsunami simulation:
This similarity has caused great interest in the research of a potential tsunami hazard to the United States east coast and the northeastern Caribbean.
The locations of the tremors at the plate interface may have profound implications about the capability of the Puerto Rico Trench subduction zone to generate large earthquakes and following tsunami.
I think it would be safe to collect more data that could better help predict an event which would have devastating consequences as the result of a tsunami hitting the Caribbean region and the US east coastline.