Misc
Visualizing the Depth of the Great Lakes
View the full-resolution version of this infographic
Visualized: The Depth of The Great Lakes
Click here to view the interactive version of the visualization on Tableau.
As the seasons change, it’s natural to want to enjoy the outdoors to the fullest. The Great Lakes, a distinct geographical region sandwiched between the U.S. and Canada, provides immense opportunity for millions of tourists to do just that every year.
But did you know that altogether the Great Lakes contain 21% of the world’s surface freshwater by volume—or 84% of the surface freshwater in North America?
This bathymetric visualization, created by Alex Varlamov, helps put the sheer size and depth of all five of the Great Lakes into perspective.
What is Bathymetry?
Bathymetry is the study of the underwater depth of ocean or lake floors, a geographical science that falls under the wider umbrella of hydrography.
In essence, it is the underwater equivalent of topography. Contour lines help to represent and study the physical features of bodies of water, from oceans to lakes.
Most bathymetric studies are conducted via sonar systems, transmitting pulses that ‘ping’ off the ocean and lake floor, uncovering what lies below.
The Depth of the Great Lakes, Compared
High on the list of the world’s largest lakes, the five Great Lakes altogether account for over 244,700 km² (94,250 mi²) in total surface area. That’s bigger than the entire United Kingdom.
Lake Superior emerges, well, superior in terms of total surface area, water volume, and both average and maximum depth.
Surface area | Water volume | Average depth | Maximum depth | |
---|---|---|---|---|
Lake Ontario | 19,000 km² (7,340 mi²) | 1,640 km³ (393 mi³) | 86 m (283 ft) | 245 m (804 ft) |
Lake Erie | 25,700 km² (9,910 mi²) | 480 km³ (116 mi³) | 19 m (62 ft) | 64 m (210 ft) |
Lake Michigan | 58,000 km² (22,300 mi²) | 4,900 km³ (1,180 mi³) | 85 m (279 ft) | 282 m (925 ft) |
Lake Huron | 60,000 km² (23,000 mi²) | 3,500 km³ (850 mi³) | 59 m (195 ft) | 228 m (748 ft) |
Lake Superior | 82,000 km² (31,700 mi²) | 12,000 km³ (2,900 mi³) | 147 m (483 ft) | 406 m (1,333 ft) |
Lake Erie is by far the shallowest of the lakes, with an average depth of just 19 meters (62 ft). That means on average, Lake Superior is about eight times deeper.
With that in mind, one drawback of the visualization is that it doesn’t provide an accurate view of how deep these lakes are in relation to one another.
For that, check out this additional visualization also created by Alex Varlamov, which is scaled to the same 20 meter step—in this view, Lake Erie practically disappears.
More than Meets the Eye
The Great Lakes are not only notable for their form, but also their function—they’re a crucial waterway contributing to the economy of the area, supporting over 50 million jobs and contributing $6 trillion to gross domestic product (GDP).
Together, the five Great Lakes feed into the Atlantic Ocean—and when we expand the scope to compare these lakes to vast oceans, trenches, and drill holes, the depth of the Great Lakes barely scratches the surface.
Misc
Visualizing the Odds of Dying from Various Accidents
This infographic shows you the odds of dying from a variety of accidents, including car crashes, bee stings, and more.

Infographic: The Odds of Dying from Various Accidents
Fatal accidents account for a significant number of deaths in the U.S. every year. For example, nearly 43,000 Americans died in traffic accidents in 2021.
Without the right context, however, it can be difficult to properly interpret these figures.
To help you understand your chances, we’ve compiled data from the National Safety Council, and visualized the lifetime odds of dying from various accidents.
Data and Methodology
The lifetime odds presented in this graphic were estimated by dividing the one-year odds of dying by the life expectancy of a person born in 2020 (77 years).
Additionally, these numbers are based on data from the U.S., and likely differ in other countries.
Type of Accident | Lifetime odds of dying (1 in #) |
---|---|
Motor vehicle accident | 101 |
Complications of medical and surgical care | 798 |
Alcohol poisoning | 1,606 |
Accidental building fire | 1,825 |
Choking on food | 2,745 |
Drowning in swimming pool | 5,782 |
Sunstroke | 6,368 |
Accidental firearm discharge | 7,998 |
Drowning | 10,386 |
Airplane accident | 11,756 |
Bee or wasp sting | 57,825 |
Dog attack | 69,016 |
Lightning strike | 138,849 |
For comparison’s sake, the odds of winning the Powerball jackpot are 1 in 292,000,000. In other words, you are 4000x more likely to die by a lightning strike over your lifetime than to win the Powerball lottery.
Continue reading below for further context on some of these accidents.
Motor Vehicle Accidents
Motor vehicle accidents are a leading cause of accidental deaths in the U.S., with a 1 in 101 chance of dying. This is quite a common way of dying, especially when compared to something like bee stings (1 in 57,825).
Unfortunately, a major cause of vehicle deaths is impaired driving. The CDC reports that 32 Americans are killed every day in crashes involving alcohol, which equates to one death every 45 minutes.
For further context, consider this: 30% of all traffic-related deaths in 2020 involved alcohol-impaired drivers.
Drowning
The odds of drowning in a swimming pool (1 in 5,782) are significantly higher than those of drowning in general (1 in 10,386). According to the CDC, there are 4,000 fatal drownings every year, which works out to 11 deaths per day.
Drowning also happens to be a leading cause of death for children. It is the leading cause for kids aged 1-4, and second highest cause for kids aged 5-14.
A rather surprising fact about drowning is that 80% of fatalities are male. This has been attributed to higher rates of alcohol use and risk-taking behaviors.
Accidental Firearm Discharge
Lastly, let’s look at accidental firearm deaths, which have lifetime odds of 1 in 7,998. That’s higher than the odds of drowning (general), as well as dying in an airplane accident.
This shouldn’t come as a major surprise, since the U.S. has the highest rates of gun ownership in the world. More importantly, these odds highlight the importance of properly securing one’s firearms, as well as learning safe handling practices.
As a percentage of total gun-related deaths (45,222 in 2020), accidental shootings represent a tiny 1%. The two leading causes are suicide (54%) and homicide (43%).
Interested in learning more about death? Revisit one of our most popular posts of all time: Visualizing the History of Pandemics.
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