![]() MORE TOP STORIES | Stranger donates car to mother after carjacking suspect crashes into her| Photos: The faces of 2017's homicide victims | Family desperately searching for Indianapolis woman missing since Dec. ![]() READ | The latest forecast for central Indiana The drastic temperature changes across the region will most likely affect the concrete foundations, decks and porches of your home and in most cases won’t cause any damage - they’ll just be loud and a bit startling.įrost quakes or ice quakes are heard most often at night because the air is the coldest and the ambient noises during the day tend to drown them out. The water in the ground then expands as it freezes and pressure builds up until eventually a section of frozen earth near the surface cracks – causing a loud “boom” or even a jolting “quake.” The roller coaster temperatures that took central Indiana from a frozen tundra to a balmy spring and back below freezing again combined with the warm-weathered rain are likely to blame for the quakes, which happen when the ground becomes saturated with water and then quickly freezes. "Like someone dropped bricks up there," she posted on our Facebook page. Julie Justus described the sound as "giant booms on the roof" of her home in Irvington. They’re most likely due to an extreme cold weather phenomenon called a frost quake. Hoosiers from literally every part of the state have reported hearing the "booms" and "quakes" over the last couple of days as a winter storm has settled in with a combination of ice and snow. I was scared and thought it was the furnace," she said.INDIANAPOLIS - Dispatchers across central Indiana have been fielding frantic calls from residents who believe they’re hearing gunshots, exploding gas lines – or even secret underground activity – but it turns out what they’re most likely hearing is actually a loud winter phenomenon called “frost quakes.” "The ground and water will freeze and expand and it actually puts out a little explosion and people hear this booms," said Mr Jones.Ĭhastity Clark Baker said she was up all night because of frost quakes in Chicago, reports WGN9. Local geologist Jeri Jones said there were multiple reports of an earthquake in the area, but he was fairly sure the loud noises and rattling had come from a frost quake. "It sounded like a big piece of furniture fell over, and I'm thinking: what did the cats knock over that was that big and that louds," said Ms Tebbetts. Stress placed on the ground by the expanding water eventually results in the land cracking, the ground shaking, and an explosion-like sound.Ī frost quake in Pennsylvania startled local Dillsburg resident Michelle Tebbetts, reports Local 21 News. What is a frost quake The setup for a frost quake, also known as a cryoseism, is this: soil is saturated from steady precipitation, sometimes including snowmelt, when rapid cooling of the air. ![]() This happens when water which has drained into the land freezes and subsequently expands as it becomes ice. While the public deals with the risk of frostbite, hypothermia, high heating costs and school closures, there is a lesser-known threat unsettling some residents.įrost quakes, also known as cryoseisms, are a seismic event caused by a very sudden cracking of frozen soil or rock that has been saturated in water. ![]() 'History-making' polar vortex plunges parts of US to -29degC.Temperatures have plummeted across the upper Midwest of America as a polar vortex, which AccuWeather describes as a larger pocket of very cold air, strikes the region. ![]() While New Zealand is scorched by a heatwave, frost quake explosions caused by a polar vortex are startling homeowners in the United States. ![]()
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