Big houses can depress the ice, causing water to flood the surface.
The mudslide had dammed up the North Fork of the Stillaguamish River, causing water to pool.
The beating flagellum creates a water current, causing water to move through the collar.
Ironically, run-off is increasing, as deforestation upstream from the city and concretisation within are causing water to be wasted in alarming amounts.
Heavy rains have fallen on parts of western Sichuan Province in recent days, causing water levels to rise fast on the dammed river.
Upon contact, the steam bubble condensed very rapidly, creating a vacuum and causing water to rush in and fill the void.
The old drainage tunnel, built by the federal government in 1943 to drain hundreds of these shafts, began falling apart in the 1970s, causing water to pool.
According to the book, melting glaciers raised the level of the Mediterranean, causing water to break through the narrow Bosporus and rapidly flood the lake.
The crisis occurred when generator-driven pumps on the Cole failed, causing water pressure to build up and collapse the bulkhead.
On the Tuesday before the storm, a failure in the high school's heating system caused pipes to burst, shutting down the heat and the electricity, and causing water damage.
It's unclear exactly why this is happening, but it's been speculated that it has to do with changes in ocean currents which are causing water to pile up along the coast.
