'Loud cracks and bangs' heard across southern Ontario Thursday night as temperatures hit the coldest values of the season. Lake District Realty - The Waterfront Company. There are four main precursors for a frost quake cryoseism event to occur: (1) a region must be susceptible to cold air masses, (2) the ground must undergo saturation from thaw or liquid precipitation prior to an intruding cold air mass, (3) most frost quakes are associated with minor snow cover on the ground without a significant amount of snow to insulate the ground (i.e., … Recent weather activity brings frost quakes to southern Ontario Open this photo in gallery: A man clears a sidewalk in blizzard conditions in Halifax on Friday, Jan. 3, 2014. 20: Zone 13 Jun. Zone 2 Jul. File photo: This crack was thought to be linked to a suspected frost quake in Calgary in 2014. Create New Account. Sections of this page. By Cate Sevilla. Lake District Realty - The Waterfront Company. For the last two weeks, loud booming sounds—likely caused by “frost quakes”—have jolted southern Ontarians out of their slumber in the middle of the night. Frost quakes apparently got their first run of media attention on Christmas Day 2013, after an ice storm passed through Ontario and then plunged the province into a deep freeze. In the early hours of Friday, right around 2 a.m., reports of strange booming sounds around the Greater Toronto Area and even farther afield lit up social media sites as people wondered if they were being robbed, haunted, or just hearing things. There’s a freezin’ reason the ground might seem to snap, crackle and pop in the depths of winter. Rare 'Frost Quake' Rattles Toronto and Across Ontario. Home (current) About; Home; Ontario First Frost Date Map; Map of Ontario Average First Frost Dates. 21 … Yesterday at 8:53 AM. Recent Significant Earthquake Reports. Although a frost quake … Toronto and parts of Ontario reportedly experienced one Monday night. 31: Zone 4 Aug. 1 - Aug. 10: Zone 5 Aug. 11 - Aug. 20: Zone 6 Aug. 21 - Aug. 31: Zone 7 Sep. 1 - Sep. 10: Zone 8 Sep. 11 - … Press alt + / to open this menu. Pressure in ground released. Experts believe "frost quakes" or "ice quakes," also known as cryoseisms, are responsible for the noises as temperatures dipped below -20 overnight. On the day this crack was found, a loud boom was heard in the northern part of the city. Zone 5 Apr. Frost quakes can happen when you have a sudden freeze with the temperature falling 10 to 15 C over a short period of time. 11 - Apr. Large swaths of southern Ontario have been experiencing a phenomenon known as frost quakes, a comparatively rare meteorological event that only takes place in unusual circumstances. Frost quakes are basically sound waves (from) fracturing of soils and rocks. The pressure is released with a loud bang. Recent Post by Page. 1 - Apr. Posted on January 3, 2014, at 7:11 a.m. The "frost quake" weather phenomenon occurs when the ground is saturated with water or ice. Ontario Interactive Average First Frost Date Map. This is what working from home looks like with a Golden Retriever. 11 - Jul. CRTC hearings continue on CBC's program licensing renewal. 2020-02-14. Frost crack or Southwest canker is a form of tree bark damage sometimes found on thin barked trees, visible as vertical fractures on the southerly facing surfaces of tree trunks. 11 - Jun. Extremely low temperatures had resulted in episodes of a rare natural phenomenon known as a frost quake. See more of Ontario Tornado Watch / Ontario Blizzard Watch on Facebook. January 29 at 7:57 AM. Apparently there were loud cracking, popping and crashing noises heard all across central / southern Ontario last night!