He’s also experienced some frost quakes, officially known as cryoseism, in the past. Kari MoisioWhere and how frost quakes occurThe phenomenon isn’t unique to the US Midwest; frost quakes have also been reported in New England, Canada and parts of Scandinavia. Frost quakes have been heard and felt in parts of Scandinavia, including Finland. Irene Stachon/ShutterstockUsing social media posts and climate data analysis, he mapped frost quakes in Ontario and neighboring regions in 2013 and 2014. Leung identified two frost quake clusters and the first known frost quakes in three Canadian provinces and seven US states, according to his thesis.

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Persons: Trent Ford, He’s, ” Ford, Ford, Kari Moisio, ”, Andrew Leung, ” Leung, “, Irene Stachon, Leung, Moisio Organizations: CNN, University of Toronto Scarborough, Citizen, University of Oulu Locations: Chicago, Illinois, Finland, New England, Canada, Scandinavia, Ontario, Toronto, Oulu, Sodankylä, Finnish