Analysis of information sources in references of the Wikipedia article "Puerto Rico Trench" in English language version.
Beneath this 5-mile-deep trough lies a mysterious mass so dense it deflects the pull of gravity, causes the ocean surface to dip a measurable amount, and throws navigators off course by falsifying the readings of their instruments.
Beneath this 5-mile-deep trough lies a mysterious mass so dense it deflects the pull of gravity, causes the ocean surface to dip a measurable amount, and throws navigators off course by falsifying the readings of their instruments.
The Puerto Rico Trench, which is capable of producing earthquakes of magnitude 7 to 8 or greater
USGS Fact Sheet FS–141–00
USGS Fact Sheet FS–141–00
The Puerto Rico Trench, which is capable of producing earthquakes of magnitude 7 to 8 or greater