Fast Anomaly Found Beneath Connecticut | Hartford News

Beneath Connecticut, scientists have uncovered a mysterious “Fast Anomaly” where seismic waves zip through faster than expected—right beside the long-studied, hotter Northern Appalachian Anomaly. This discovery defies expectations, since New England sits far from tectonic boundaries. One wild theory? The hot rock migrated from the Labrador Sea over millions of years, like a slow-moving mantle wave. Earth’s interior isn’t lava—it’s solid rock flowing over eons, possibly even helping lift ancient mountains like the Appalachians. New high-res data reveals Connecticut’s crust is thicker west to east and confirms the anomaly’s deep reach. While experts debate whether the fast zone is detached rock or a mantle cell, one thing’s clear: active, hidden geology is quietly reshaping the region—and maybe even the surface above.

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