Since the Siberian air mass or polar vortex arrived in the northeastern U.S., the National Weather Service says there have been numerous reports of a rare seismic event called frost quakes. When arctic air blasts through the Northeast and New England this weekend, it could cause a rare weather phenomenon called frost quakes. Frost quakes, also known as… Read More Report: Siberan Air Mass (a.k.a. #PolarVortex) Causes “Frost Quakes”