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How Deep is Lake Superior? And other interesting facts.

How Deep is Lake Superior? And other interesting facts.

Lake Superior is the world’s largest freshwater lake by surface area – 31,700 square miles (82,100 square kilometers) – and holds 10 percent of the world’s surface freshwater.

The average depth is 483 ft (147 m), and the max depth is 1,333 ft (406 m).


If you drain North America, Lake Superior will be the third-lowest point in the continent.

If you drained all the other lakes in North America, Lake Superior would be the third-lowest point on the continent. Only two other freshwater lakes have a greater surface area than Lake Superior–Lake Michigan and Lake Tanganyika.

The Soo Locks, located on the southern shore of Lake Superior, are essential to navigation on these Great Lakes. Ships traveling between Lakes Huron and Superior must pass through these locks to avoid a set of rapids known as The Saint Mary’s Rapids.

Lake Superior is also unique because it is one of three land areas where the lake’s bedrock has been exposed by erosion. You can see this exposed bedrock in places such as Whitefish Bay on the eastern side of the lake.

lake superior drained

Lake Inferior: The Underground Lake Beneath Lake Superior

Lake Superior is the largest of the Great Lakes, and it’s also one of the deepest lakes in the world. But did you know that there’s an underground lake beneath it?

Lake Inferior was discovered in 1870 by William Bitter, who found an entrance to the lake. Bitter’s work was to conduct an underwater survey. He had been working for approximately 10 minutes when a whirlpool appeared and sucked him in. The word “Inferior” was mistranslated from French as “Under” when translated into English.

Bitter insisted on being lowered into the vortex, which eventually took his life. Lake Superior is draining into a cavern beneath it, and the bottom of Lake Superior is now on the surface. Due to the increased depth, they were lowered 600 feet to find themselves still dangling in the open air. There was also a cave-in while they were lowering him down, which could have caused injury or death if he had made noise at that point. Bitter was concerned that the hole would widen and damage the shipping industry.

Bitter’s lifeline was tripled from 600 feet to 1800 feet, lowering him 1500 feet through the air to explore an ancient underground lake that he found while conducting an underwater survey. A vast cave lays before him that is filled with a lake of unknown size for what seems like infinity. A speaking tube was used for communication between Bitter and the rest of his team. Communication with the speaking tube became difficult because it had tripled in length; this made it hard to hear what was being said. The last words heard from Bitter were “the end” before he failed to return from his descent, leading people to speculate that he had been killed by a quartz extrusion that snagged on the lifeline while trying to make progress down into Lake Inferior’s depths.

Bitter’s discovery of the underground lake was forgotten, but it is still there to this day. While Bitter found the entrance decades ago, he did not explore any further because his mental state deteriorated. In 2013, Marrow described Bitter and his discovery as “scientific exploration.”

The Duluth Theater was built on top of an ancient lake–Lake Inferior, which is located in the city of Duluth, Minnesota. This discovery opens up a whole new world of possibilities for exploration and tourism in the area!

William Bitter copper helmet diver

How Many Ships Are at the Bottom of Lake Superior?

Lake Superior is one of the deepest lakes in the world. It has an average depth of 594 feet (181 meters), but it can get as deep as 1,332 feet (406 meters). Because of its depth, Lake Superior contains a large number of shipwrecks. There are estimated to be 550 wrecks at the bottom of the lake!

One famous wreck on Lake Superior is Edmund Fitzgerald. On November 10, 1975, this ship sank with all 29 crew members on board. It’s one of the worst maritime disasters in Great Lakes history.

Although many people think of Lake Superior as a dark and dreary place, it’s not uncommon for her to give up her dead. In fact, there have been several recent discoveries of ships that sank long ago. So if you’re ever feeling adventurous and decide to explore the bottom of this great lake, be prepared for what you might find!


Does Lake Superior ever freeze completely?

Lake Superior is the largest of the Great Lakes, and it’s also the coldest. The water temperature rarely rises above 68 degrees Fahrenheit or 20 degrees Celsius, which doesn’t freeze entirely very often. There have only been about a dozen times in recorded history when the entire lake has frozen over.

The last time Lake Superior was completely covered in ice was in 1979. However, in 2014, the lake froze over for the first time in more than 20 years. And although it doesn’t often happen, it can be pretty spectacular when it does freeze over!


When was Lake Superior formed?

Lake Superior has its origins in the North American Mid-Continent Rift of 1.1 to 1.2 billion years ago, which produced a massive plume of the hot mantle around where the present lake sits. The crust tore first, leaving an arc-shaped scar stretching across Kansas into Minnesota, then down to Michigan.


What is at the bottom of Lake Superior?

Lake Superior is the largest and deepest of the Great Lakes. It’s also one of the most fascinating, thanks to its many quirks and surprises. For example, did you know that it rarely freezes over? That’s because it’s so deep and has strong currents.

But what lurks beneath its surface? No one knows for sure, but there are a few theories. Some believe that the bottom is home to many strange creatures, including sea monsters! Others think it might be covered in volcanic vents or even an alien base!

While we may never know for sure what lies at the bottom of Lake Superior, it’s definitely a topic that intrigues people. And who knows – maybe one day we’ll get to find out for ourselves!


How Cold Is the Bottom of Lake Superior?

Lake Superior is the largest, deepest, and coldest of the Great Lakes. The average temperature at the bottom of Lake Superior is 39 degrees Fahrenheit. This makes it too cold for most species to live, which is why the lake’s bottom is not very biodiverse when compared to other lakes.

The water temperature at the bottom of Lake Superior averages 39 degrees Fahrenheit. This chilly temperature keeps most species from living in this area, making it less biodiverse than other lakes. However, a few species can be found here, including various types of bacteria and sponges.


Is there life at the bottom of Lake Superior?

Lake Superior is the largest and deepest of the Great Lakes. It’s infertile, which means little life in the water. However, some animals can thrive at the bottom of the lake.

The cold temperatures prevent sunlight from reaching the bottom of the lake and allow these dark-colored animals to blend in with their surroundings. It takes a lot of effort to support life at the bottom of Lake Superior. The lake also supports invasive species, such as round goby.

Despite its frigid temperatures, a variety of fish call the depths of Lake Superior their home. These include invertebrates and even invasive species that have made their way into these waters over time. In addition to fish, you’ll also find algae, seaweed, and bodies from ships that sank into it over time on the lake bottom.


How do we explore the bottom of Lake Superior?

Lake Superior is the largest of the Great Lakes, and it’s also one of the deepest. The depth of a body of water is measured with something called “bathymetry.” This term comes from two Greek words: bathy, meaning “deep,” and metron, meaning “measurement.”

Bathymetry isn’t just used to measure the depths of lakes and oceans; it can also be used to study physical features like mountains and valleys. Contour lines are often drawn on maps to help represent these features. They make it easy for us to see how steep a slope is or how high a mountain peak is.

Lake Superior may not be the best place for a swim, but that doesn’t mean it’s not worth visiting! The bottom of this great lake is cold and full of corpses, but there are still some interesting things down there waiting to be explored.

Lake Superior bathymetry map

Where is the deepest part of Lake Superior?

46°55’00.0″N 86°36’00.0″W, the deepest point in Lake Superior is 1,333 ft (406 m). below the surface.

Lake Superior is a whopping 1,333 feet deep! That’s pretty impressive when you think about it. In addition, it has a volume of 2,900 cubic miles- making it one of the largest lakes in the world! It’s also worth mentioning that Lake Superior has some of the cleanest water around- so clear, in fact, that you can see up to 100 feet below the surface! Lastly, because it takes so long for Lake Superior to refill (around 200 years), its fluctuations are much smaller than in other lakes.


How big do waves get in Lake Superior?

Waves in Lake Superior can get very big. This is because cold water doesn’t grow bacteria as warmer water does. So when the colder water rises to the surface, it creates waves!

The highest ever wave recorded on October 24, 2017, by a wave at the shore of Lake Superior near Marquette, Michigan. Most storms over the world’s oceans can produce typical wavelengths of 30 feet.