House Committee on Natural Resources Report on Puerto Rico's Earthquakes   [open pdf - 3MB]

From the Overview: "On December 28, 2019, Puerto Rico experienced the first earthquake in what would be a series of tremors, including 12 earthquakes of greater than 5.0 magnitude on the Richter Scale. This includes a 6.4-magnitude earthquake in early January that led to a confirmed fatality and island-wide power cuts. This activity is ongoing and additional aftershocks and earthquakes may continue hitting the island even after the publication of this report."