Egypt, a land steeped in history and culture, has faced numerous natural disasters throughout its existence. From the biblical plagues to modern-day floods and droughts, these events have shaped the landscape and impacted its people.
Natural disasters can include extreme events such as heatwaves, floods, landslides, and earthquakes. While many of these phenomena have always occurred, a warming climate is altering their frequency, intensity and geographic reach, turning once-rare events into recurring threats and increasing impact.
Rising global temperatures fuel more severe heatwaves and heavier rainfall, which in turn can trigger flash floods and slope failures. Understanding how climate change interacts with these events is essential for building resilient communities and informing global risk monitoring efforts.
Egypt climate change continues to impact country's water supply
Historical Natural Disasters in Egypt
The Plagues of Egypt
Every year in March or April, Jewish people around the world celebrate Passover - a holiday that marks the Exodus, when the Jews escaped slavery in Egypt and moved to Israel, as recounted in the Torah (the Hebrew Bible, which collects the first five books of the Christian Old Testament).
Before Moses could lead the 40-year journey through the desert, he needed the pharaoh's permission to free the Jews from enslavement, according to the Torah. Egypt’s ruler had a hard heart, however, prompting the Lord to send down 10 plagues until the pharaoh changed his mind.
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Could any of Egypt’s plagues have occurred through natural phenomena, rather than an actual act of God?
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The First Plague: Water Turned to Blood
To unleash the first plague upon the Egyptians, Moses struck the river Nile with his staff, turning its waters to blood. At the same time, his brother Aaron similarly transformed canals, tributaries, ponds and pools throughout Egypt.
After the water turned to blood, "the fish in the Nile died, and the Nile stank, so that the Egyptians could not drink water," according to the Hebrew Bible (Exodus, chapter 7, verse 21).
The sudden appearance of red-hued waters in the Nile could have been caused by a rapid bloom of red algae. This occurs when certain conditions - such as more light or nutrients - enable microscopic algae to reproduce to such an extent that the waters they live in appear to be stained a bloody red. This phenomenon is known as a "red tide" when it happens in oceans, however red algae are also commonly found in freshwater ecosystems. These so-called algal blooms can be harmful to wildlife as the algae produce toxins that can kill fish and make shellfish dangerous to eat.
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Excessive growth of algae could have made the water in the Nile appear red like blood. (Image credit: Credit: ESA/Getty)
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The Second Plague: Frogs
For the second plague, Moses conjured vast quantities of frogs that swarmed into people's homes - some even found their way into the Egyptians' beds, ovens and cookware.
As it happens, the phenomenon of "raining frogs" has been reported multiple times around the world throughout history. For instance, an 1873 report in the magazine Scientific American described a "shower of frogs" caused by a rainstorm in Kansas City, Missouri.
The incidence of frogs "raining down" to the ground has been reported multiple times throughout history. (Image credit: Hulton Archive/Getty)
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As frogs died, insects such as lice or gnats may have taken hold.
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The Third Plague: Lice
The third plague, lice, could mean either lice, fleas or gnats based on the Hebrew word, "Keenim."
If a toxic algal bloom caused the first plague and a pile of dead frogs followed, it's not surprising that a swarm of insects of some sort came after. That's because frogs typically eat insects so without them, the fly population could have exploded, said Stephan Pflugmacher, during a National Geographic television special about the plagues in 2010. At the time, Plufmacher was a climatologist at the Leibniz Institute of Freshwater Ecology and Inland Fisheries in Berlin.
As frogs died, insects such as lice or gnats may have taken hold. (Image credit: Shutterstock)
What makes this particular event worse is that both body lice and fleas can theoretically transmit the bacterium Yersinia pestis, which causes bubonic plague.
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The Fourth Plague: Wild Beasts
The Hebrew word for the fourth plague, "arov," is ambiguous.
There are many interpretations as to what the plague of wild beasts was referring to. (Image credit: Shutterstock)
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The Fifth Plague: Death of Livestock
The fifth plague called down on Egypt was a mysterious and highly contagious disease that swiftly killed off the local livestock. This biblical scourge is reminiscent of a real plague known as rinderpest - a now-eradicated, infectious and deadly viral disease that decimated populations of cattle and other ruminants across Europe and Africa during the 18th and 19th centuries.
Rinderpest was caused by a virus in the same family as the canine distemper virus and the human measles virus. The disease caused a range of symptoms in infected animals, such as a high fever, diarrhea, dehydration and mouth ulcers.
The disease is thought to have originated in Asia approximately 10,000 years ago, when the extinct ancestors of modern cattle were first domesticated.
The fifth plague resembles that which was caused by a now-eradicated infectious disease known as rinderpest. (Image credit: PRISMA ARCHIVO/Alamy)
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The Sixth Plague: Boils
Shortly after the Egyptians' livestock died off, they were distracted by the sixth plague - an extremely uncomfortable plague of boils that covered their bodies.
Boils are painful, pus-filled bumps that form under the skin. They are typically caused by a species of bacteria known as Staphylococcus aureus that is commonly found on skin and inside the nose.
An outbreak of the highly infectious and now eradicated disease smallpox -which caused distinctive raised blisters - could result in masses of people simultaneously coming down with rashes and welts.
Smallpox is a now-eradicated infectious disease that caused characteristic raised blisters to form on a patients' skin. (Image credit: Shutterstock)
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The Seventh Plague: Hail and Fire
The seventh plague brought a heavy hail accompanied by thunder and streaming fire. This chaotic weather struck down people, livestock and trees, although the area of Goshen - where the Israelites lived - was spared, according to the Torah (Exodus, 9:27).
A nearby volcanic eruption around 3,500 years ago on the Greek island of Santorini may explain this plague, as well as others.
A nearby volcanic eruption may have triggered the hail that is described in Exodus as the seventh plague of Egypt. (Image credit: Michael Folmer/Alamy)
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The Eighth Plague: Locusts
When the pharaoh once more refused to let the Jewish people go, hungry locusts descend as the eighth plague. As Moses warned the pharaoh: "They shall cover the face of the land, so that no one can see the land" (Exodus 10:5). Such a pestilence would devour all the remaining plants that the hail did not destroy, Moses also said.
The volcanic eruption on Santorini may have created favorable conditions for the locusts, Siro Trevisanato, a Canadian molecular biologist and author of "The Plagues of Egypt: Archaeology, History and Science Look at the Bible" (Gorgias Press, 2005), told The Telegraph.
"The ash fallout caused weather anomalies, which translates into higher precipitations, higher humidity," Trevisanato said.
The eighth plague involves swarms of hungry locusts. (Image credit: Keystone/Getty)
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The Ninth Plague: Darkness
The darkness that descended on Egypt for three days as the ninth plague may have been a solar eclipse or a cloud of volcanic ash, scholars suggest.
For instance, one theory is that the darkness may have coincided with an eclipse on March 5, 1223 B.C. However, the fact that the Israelites still had light in their homes during the plague of darkness weakens this hypothesis.
An alternative theory is that the volcanic eruption on Santorini approximately 3,500 years ago spewed ash that caused the darkness, reported The Telegraph. Indeed, scientists have discovered bits of glass from the volcano in the sole of the Nile delta, according to The New York Times.
During the ninth plague, darkness descended on Egypt for several days. (Image credit: Shutterstock)
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The Tenth Plague: Death of the Firstborn
In the 10th and final plague, Moses tells the pharaoh that all firstborns in the land of Egypt would die.
Some scholars argue that a possible explanation for this plague is that firstborns died after eating grain that was contaminated with mycotoxins in moldy granaries. Mycotoxins are poisonous substances that can cause illness and death in humans and other animals.
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