Geologic Setting
The underlying cause of New Madrid earthquakes is not well understood, but modern faulting seems to be related to an ancient geologic feature buried under the Mississippi River alluvial plain, known as the Reelfoot Rift.
Read more about this topic: 1812 New Madrid Earthquake
Famous quotes containing the word setting:
“A fit abode for a poet. Stage setting at least correct.”
—Ezra Pound (1885–1972)