Analysis of information sources in references of the Wikipedia article "2019–20 Puerto Rico earthquakes" in English language version.
Prentice and Mann (2005)
Este temblor fuerte, con profundidad de 7 km, tuvo una intensidad máxima de VIII en Guánica, Puerto Rico y produjo daños mayores a través de Puerto Rico.[This strong tremor, with a depth of 7 km, had a maximum intensity of VIII in Guánica, Puerto Rico and produced major damage throughout Puerto Rico.]
USGS Fact Sheet FS–141–00
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