Image: Joshua Stevens/Landsat/U.S. Geological Survey Satellite images of Louisiana taken before and after Hurricane Ida show a dramatically altered coastline, with many low-lying areas still ...

according to LSU's Louisiana Geological Survey. The U.S. Geological Survey's map showed 21 quakes instate and five in state waters in the Gulf of Mexico that have occurred since 1930 ...

Louisiana's coastline has been losing wetlands ... That's five square miles a year faster than measured by the USGS between 1985 and 2004, the last time such a study was done.

A new study, published in the April edition of the Geological Society of ... by the National Academy of Sciences, "Drawing Louisiana's New Map," said subsidence needs more study.

A subsidence map of coastal Louisiana has now been created ... at the land surface," said Torbjörn Törnqvist, professor of geology and chair of the Department of Earth and Environmental Sciences ...

And as each channel gets wider and wider, more land is lost.” On a Geological Survey map of Louisiana, the coastline is a sea of red dots, each representative of oil and gas infrastructure.

The most recent earthquake in Louisiana occurred on Dec. 20, 2005, according to the United States Geological Survey ... on damage maps produced by emergency response agencies, on reports produced ...

Louisiana is sinking into the sea — a geological process called ”subsiding” — at a rate of nine millimeters (just over a third of an inch) per year, according to a new report and map ...