Retreating Glaciers Spur Alaskan Earthquakes by Gretchen Cook-Anderson and Krishna Ramanujan

Retreating Glaciers Spur Alaskan Earthquakes by Gretchen Cook-Anderson and Krishna Ramanujan

In a new study, NASA and United States Geological Survey (USGS) scientists found that retreating glaciers in southern Alaska may be opening the way for future earthquakes. The study examined the likelihood of increased earthquake activity in southern Alaska as a result of rapidly melting glaciers. As glaciers melt they lighten the load on the Earth’s crust. Tectonic plates, that are mobile pieces of the Earth’s crust, can then move more freely. The study appears in the July issue of the Journal of Global and Planetary Change.

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