Plot
John Corbett stars as Matt Andrews, a geologist who is asked to investigate why there have been two large sinkholes affecting the city of New Orleans. Jessica Steen plays Corbett's girlfriend Allison Beauchamp, assistant to the Mayor, who has to decide whether the problems with the sinkholes will spread far enough to require that the remainder of Mardi Gras be cancelled, which would be a complete economic disaster to the city.
Matt has a number of personal issues because of a disaster which happened at a mine he was advising on its operations. Although cleared of responsibility for the accident, he still blames himself, which may be causing him to be overcautious. Matt admits the potential problem of the sinkholes becoming so serious as to endanger the city could occur next week, or not for three hundred years. Based on the lack of real evidence of immediate danger, and because some evidence that she should have received has been destroyed by the mayor's political flack, Allison has decided not to close the festival, only to have the disaster metastasize, like a cancer devouring the city's underground.
The only answer is to obtain several tons of polyurethane liquid in 2 compounds which when combined produces an expanding foam that will fill the huge sinkhole cavern. The polyurethane expanding foam reaction is able to expand to hundreds of times its size, and becomes as hard as concrete afterwards. Due to an emergency, while Matt is underground inspecting the caverns, he becomes partially trapped, and has to ask to have the foam started (which will kill him if he can't find an escape) because if they don't start the flow of the liquid immediately, the ground underneath downtown New Orleans will collapse similar to the effects of soil liquefaction and thousands to tens of thousands of people will be injured or killed. The last few minutes of the film become a race against time as Matt attempts to find an exit before the polyurethane foam envelops him.
The film points to an event that would happen five years after the movie was made. Matt points out the sinkholes, if they do fail and open up, could be as serious a disaster to the city as if its levees collapsed, an event that did happen as a result of Hurricane Katrina in 2005.
The Hollow Earth is a concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century, the notion was disproven, first tentatively by Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774.
Paint is a liquid pigment that, after applied to a solid material and allowed to dry, adds a film-like layer, in most cases to create an image, known as a painting. Paint can be made in many colors and types. Most paints are either oil-based or water-based, and each has distinct characteristics.
Polyurethane refers to a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane is produced from a wide range of starting materials. This chemical variety produces polyurethanes with different chemical structures leading to many different applications. These include rigid and flexible foams, and coatings, adhesives, electrical potting compounds, and fibers such as spandex and polyurethane laminate (PUL). Foams are the largest application accounting for 67% of all polyurethane produced in 2016.
Purvis is a U.S. city in and the county seat of Lamar County, Mississippi. It is part of the Hattiesburg, Mississippi Metropolitan Statistical Area. The population was 2,175 at the 2010 census. The Town of Purvis was incorporated on February 25, 1888 and was founded by and named after Thomas Melville Purves, originally of Marion County, Alabama. Purves, born March 8, 1820, was a second generation Scottish-American; his grandfather emigrated to Charleston, South Carolina in 1765.
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A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are locally also known as vrtače and shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet. A cenote is a type of sinkhole that exposes groundwater underneath. Sink and stream sink are more general terms for sites that drain surface water, possibly by infiltration into sediment or crumbled rock.
Luray Caverns, previously Luray Cave, is a cave just west of Luray, Virginia, United States, which has drawn many visitors since its discovery in 1878. The cavern system is adorned with speleothems such as columns, mud flows, stalactites, stalagmites, flowstone, and mirrored pools. The caverns host the Great Stalacpipe Organ, a lithophone made from solenoid-fired strikers that tap stalactites of varied sizes to produce tones similar to those of xylophones, tuning forks, or bells.
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Subterranean fiction is a subgenre of adventure fiction, science fiction, or fantasy which focuses on fictional underground settings, sometimes at the center of the Earth or otherwise deep below the surface. The genre is based on, and has in turn influenced, the Hollow Earth theory. The earliest works in the genre were Enlightenment-era philosophical or allegorical works, in which the underground setting was often largely incidental. In the late 19th century, however, more pseudoscientific or proto-science-fictional motifs gained prevalence. Common themes have included a depiction of the underground world as more primitive than the surface, either culturally, technologically or biologically, or in some combination thereof. The former cases usually see the setting used as a venue for sword-and-sorcery fiction, while the latter often features cryptids or creatures extinct on the surface, such as dinosaurs or archaic humans. A less frequent theme has the underground world much more technologically advanced than the surface one, typically either as the refugium of a lost civilization, or as a secret base for space aliens.
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The Phantom Empire is a 1935 American Western serial film directed by Otto Brower and B. Reeves Eason and starring Gene Autry, Frankie Darro, and Betsy King Ross. This 12-chapter Mascot Pictures serial combined the Western, musical and science-fiction genres. The first episode is 30 minutes, the rest about 20 minutes. The serial film is about a singing cowboy who stumbles upon an ancient subterranean civilization living beneath his own ranch that becomes corrupted by unscrupulous greedy speculators from the surface. In 1940, a 70-minute feature film edited from the serial was released under the titles Radio Ranch or Men with Steel Faces. This was Gene Autry's first starring role, playing himself as a singing cowboy. It is considered to be the first science-fiction Western.
10.5: Apocalypse is a 2006 television miniseries written and directed by John Lafia. A sequel to 2004's 10.5, the show follows a series of catastrophic seismic disasters including earthquakes, volcanic eruptions, tsunamis, and sinkholes, all triggered by an apocalyptic earthquake. The series was produced in Canada. It received primarily negative reviews.
The Leaside Towers are the tallest buildings in the East York district of Toronto, Ontario, Canada. They are a twin set of Brutalist-style apartment towers, with one facing north-south, and another facing east-west. Located at 85 and 95 Thorncliffe Park Drive near Overlea, it is the tallest building in East York prior to amalgamation.
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Building insulation materials are the building materials that form the thermal envelope of a building or otherwise reduce heat transfer.
A trickling filter is a type of wastewater treatment system. It consists of a fixed bed of rocks, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media over which sewage or other wastewater flows downward and causes a layer of microbial slime (biofilm) to grow, covering the bed of media. Aerobic conditions are maintained by splashing, diffusion, and either by forced-air flowing through the bed or natural convection of air if the filter medium is porous. The treatment of sewage or other wastewater with trickling filters is among the oldest and most well characterized treatment technologies.
The Bayou Corne sinkhole was created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum. The sinkhole, located near the community of Bayou Corne in northern Assumption Parish, Louisiana, was discovered on August 3, 2012, and 350 nearby residents were advised to evacuate. Scientists have stated that the evacuation order could last for years.
The O-Train is a light rail rapid transit system in Ottawa, Ontario, Canada, operated by OC Transpo. The O-Train system has two lines, the electrically-operated Confederation Line and the diesel-operated Trillium Line. Since May 2020, Stage 2 construction has temporarily shut down Line 2, with replacement bus service being offered at all stations. When Line 2 reopens in 2024, it will extend southward to Limebank station and incorporate five newly constructed stations, as well as an additional line linking Line 2 to Ottawa International Airport which will replace the current bus service from route 97. By 2026, expansions along Line 1 and the construction of Line 3 stations in the west end are expected to be complete, bringing the system's length to 64.5 km (40.1 mi), four lines and 41 stations. The O-Train network is fully grade separated and does not have any level crossings with roads. As such, it falls within the category of a light metro.
Greenland is a 2020 American apocalyptic thriller survival disaster film directed by Ric Roman Waugh and written by Chris Sparling. The film stars Gerard Butler, Morena Baccarin, Roger Dale Floyd, Scott Glenn, David Denman, and Hope Davis, and follows a family who must fight for survival as a planet-destroying comet races to Earth.
The 1973 Mount Gambier cave diving accident was a scuba diving incident on 28 May 1973 at a flooded sinkhole known as "The Shaft" near Mount Gambier in South Australia. The incident claimed the lives of four recreational scuba divers: siblings Stephen and Christine M. Millott, Gordon G. Roberts, and John H. Bockerman. The four divers explored beyond their own planned limits, without the use of a guideline, and subsequently became lost, eventually exhausting their breathing air and drowning, with their bodies all recovered over the next year. To date, they are the only known fatalities at the site. Four other divers from the same group survived.
