10 Biggest Natural Disasters in Earths History


The Butterfly Effect principle simply states
that, given enough time, whatever event, no matter how small, can and will have tremendous
reverberations into the future. And when talking about past disasters, natural
or otherwise, we always have to keep in mind that, even though devastating, they are part
of what brought us here in the first place. Without them the world and everything in it
would have taken a totally different turn, ending up completely different than it is
today. The further back in time any particular event
takes place, the more indirect influence it has on the present and future, altering them
beyond recognition. We may try to speculate on how things would
have turned out if any particular disaster from our past didn’t happen, but the variables
are so small and infinitely numerous, that we may never know the right answer. Similar to weather prediction (which is looking
into the future, by the way), we can only make our best guess with the limited information
we have. With this being said, let’s take a look
at 10 natural disasters from our past, and maybe later imagine how the world would have
looked like without them. 10. Outburst of Lake Agassiz, North America Roughly 14,500 years ago the planet was beginning
to emerge from its last Great Ice Age. And as temperatures began to rise, the Arctic
Ice Sheet that gripped much of the Northern Hemisphere began to melt away. Fast forward 1,600 years, and what is now
the middle of the northern part of North America (parts of North Dakota, Minnesota, Manitoba,
Saskatchewan and Ontario) was under a huge proglacial lake, formed by melting water being
trapped by a wall of ice or another natural dam. With an estimated area of 170,000 sq. miles,
Lake Agassiz was larger than any currently existing lake in the world, and roughly the
size of the Black Sea. Then, for whatever reason, the dam broke and
all the fresh water trapped there escaped into the Arctic Ocean via the Mackenzie River
Valley. And even if the deluge itself was bad enough,
what followed next may be what killed off the megafauna in North America, as well as
the Clovis culture. As the insane amounts of fresh water flooded
the Arctic Ocean, it severely weakened the Atlantic “conveyor belt” by 30% or even
more. This belt cycles warm water up to the Arctic,
where it cools, sinks to the bottom and travels back south along the ocean floor. With the new influx of fresh water from Lake
Agassiz, the cycle slowed down and the Northern Hemisphere returned to near-glacial temperatures
and conditions for about 1,200 years, in a period known as The Younger Dryas. The end of this period, roughly 11,500 years
ago, was even more abrupt than when it first started, with temperatures in Greenland rising
by 18 degrees Fahrenheit in a just a mere decade. 9. The Siberian Traps Eruption, Central Russia Some 252 million years ago, planet Earth looked
a lot different than it does today. Life was as alien as life can get and the
continents were all pushed together, forming a single, super-continent known as Pangaea. Evolution was following its normal path, with
life flourishing on both land and sea. Then, as if out of nowhere, all of it would
change in a geological instant. In the far north of Pangaea, in what is now
Siberia, a super volcano of Biblical proportions began to erupt. The eruption was so massive and so devastating,
it covered an area of almost 1.7 million sq. miles (roughly the size of the continental
US) in a one mile deep sea of lava. Only about 500,000 sq. miles of it are still
visible today, in a region now called “The Siberian Traps.” This eruption itself and subsequent lava flows,
while devastating in their own right, were only a catalyst for an unstoppable chain of
events that would kill off 75 percent of life on land and over 95 percent of all marine
creatures. This apocalyptic event marked the transition
between the Permian and Triassic periods, and is sometimes known as The Great Dying. The immediate effects of the super volcano
completely devastated the Northern Hemisphere, turning the air into literal acid and plunging
the entire food chain into complete disarray. With the several century-long volcanic winter
that followed, 10% of the world’s species had perished. After the dust settled, the planet was immediately
thrusted into a massive global warming, raising the global temperatures by 5 degrees Celsius
and killing another 35% of all land creatures. The oceans were next, with much of the CO2
in the atmosphere being absorbed by the water and turning it into carbonic acid. With the increasing temperatures, the oxygen-depleted
waters from the ocean floor began to expand and rise from the depths, trapping all marine
life “between a rock and a hard place.” The massive amounts of methane hydrate, found
even today on the ocean floor, began bubbling to the surface due to the warming waters,
and raising the planet’s temperatures by another 5 degrees Celsius. At this point in time, almost all of marine
species had died off and only the sturdiest of land creatures managed to survive. This event is the single largest case of a
mass extinction to have ever happened on Earth. But at this point we are able to generate
four times as much CO2 into the atmosphere as that super volcano all those million years
ago, with most of the above mentioned effects already beginning to happen. 8. The Storegga Slide, Norwegian Sea Some 8,000 years ago, 60 miles off the Norwegian
coast to the north, a huge chunk of land roughly the size of Iceland broke off of the European
continental shelf and plunged into the depths of the Norwegian Sea. Most likely caused by an earthquake that destabilized
the methane hydrates found trapped there, the 840 cubic miles of sediment spread itself
over 1,000 miles into the abyssal plain below, covering an area of about 36,700 sq. miles. The ensuing tsunami following the landslide
wreaked havoc on all surrounding landmasses at that time. As the planet was emerging from a previous
Ice Age, sea levels were 46 feet lower than they are today. But even so, sediment deposits originating
from the Storegga Slide have been discovered 50 miles inland in some places, and 20 feet
above current tide levels. With waves exceeding 80 feet and travelling
in all directions, Scotland, England, Norway, Iceland, Faroe, Orkney and Shetland Islands,
Greenland, Ireland, and the Netherlands were all severely affected by this natural disaster. The last remnant of land that once connected
the British Isles to mainland Europe, known as Doggerland, was completely swept over by
the deluge, thus creating the North Sea we know today. This was not the first or the last time this
happened, with several other smaller landslides off the Norwegian coast taking place between
50,000 and 6,000 years ago. Companies involved in petroleum and gas exploration
take special precautions so as not to trigger another such event by accident. 7. Laki Eruption, Iceland Iceland sits directly on top of the Mid-Atlantic
Ridge where two large tectonic plates are pulling away from each other. This makes the island nation one of the most
volcanically-active regions in the world. In 1783, an 18 mile-long crack on the island’s
surface, known as the Laki Fissure, ripped open. Along its length, 130 craters formed, spewing
3.4 cubic miles of basaltic lava over a period of 8 months. Incomparable in size and devastation with
what happened in Siberia 252 million years ago, the Laki event featured very similar
characteristics, and was the largest volcano eruption of the past 500 years. Thanks to a network of underground tunnels
known as lava tubes, the molten rock was able to spread hundreds of miles away from the
fissure and raze a total of 20 villages to the ground. The most devastating effect of Laki however
was not the lava itself, but the toxic gases it spewed into the atmosphere. An estimated 8 million tons of hydrogen fluoride
and 120 million tons of sulfur dioxide were released, poisoning the air and forming acid
rains. Three quarters of Iceland’s sheep and over
half of all its livestock died as a result. Due to starvation and disease, over 20 percent
of Iceland’s population was killed over the following months. Furthermore, the sulfur dioxide was spread
over much of the Northern Hemisphere, blocking the sun’s rays and plunging the planet into
a mini volcanic winter. Europe was most affected by it, causing crop
failures and starvation, leading to the infamous French Revolution. The rest of the world is affected as well. North America experiences the longest and
harshest winter on record, one sixth of Egypt’s population dies of starvation, and the monsoon
seasons are thrown into disarray, affecting regions as far away as India and Southeast
Asia. 6. The 2011 Tornado Super Outbreak, Central United
States Tornadoes in general leave few remnants of
their existence over long periods of time. Their effects can be devastating, but from
an archaeological point of view, not much evidence can be unearthed. However, the biggest and most destructive
tornado event in recorded history took place in 2011 over an area colloquially known as
“tornado alley” in both the US and Canada. From April 25-28 a total of 362 tornadoes
were reported and confirmed across 15 states by the National Weather Service. Violent tornadoes occurred each day, with
April 27 being the most active, with a record of 218 tornadoes touching down. Four of these were classified as EF5, the
highest ranking possible on the Enhanced Fujita scale. On average around the world, one such EF5
tornado is reported once a year or less. In total, 348 people were killed as a result
of this outbreak, 324 of which were direct tornado-related deaths. The other 24 casualties were caused either
by flash floods, fist-sized hail, or lightning strikes. Another 2,200 people were injured. The most affected state was Alabama, with
252 fatalities. The hardest-hit area was the city of Tuscaloosa
in Alabama, where one EF4 tornado, with a diameter measuring nearly 1 mile and wind
speeds exceeding 200 mph, ravaged through residential areas of the city. Total material damages have been calculated
to be around $11 billion, making the 2011 Super Outbreak one of the most expensive natural
disasters to grip the US. 5. The Spanish Flu, All Over the Globe As the world was gripped by the horrors of
WWI, an even deadlier killer was beginning to make its presence felt throughout the planet. The Spanish Flu, or Influenza, was the deadliest
pandemic in modern history, with 500 million people infected worldwide – about a third
of the population – and an estimated 20 to 50 million people killed in less than six
months. Around a quarter of all US citizens became
infected and 675,000 of them died because of it, lowering the average life expectancy
by 10 years. As the First World War was slowly drawing
to a close in 1918, the Influenza virus was given little attention at first, especially
on the battlefield, which quickly became a perfect hotbed for the airborne disease. For years, scientists believed the origins
of the flu began in the trenches of France, and neutral Spain was conducting heavy research
on it, earning it the name “Spanish Flu.” The harsh conditions of the battlefield were
perfect for such a disease to be created, with large numbers of people being packed
together in squalor and often times in close proximity with animals such as pigs. Moreover, the many deadly chemicals used throughout
WWI gave ample chance for the virus to mutate. A decade after the war, however, Kansas was
being seriously considered as another possible breeding ground for the N1H1 influenza virus,
when it was discovered that 48 infantry men died in a military camp there. More recent evidence indicates to a group
of 96,000 Chinese laborers who were sent to work behind the British and French lines. Reports of a respiratory illness that struck
northern China in November 1917 was identified a year later by Chinese health officials as
identical to the Spanish flu. However, no direct link had been made between
the Chinese illness and the worldwide outbreak. The effects of the pandemic can be felt even
to this day, 100 years later, with several other related strains of the virus hitting
in 1957, 1968 and again in 2009 and 2010 during the “swine flu” crisis. None of these instances have been as deadly
as the one at the end of WWI however, when only the isolated Marajó Island in Brazil’s
Amazon River Delta had not reported an outbreak. 4. Last Outburst of Lake Agassiz and the Black
Sea Deluge, Eastern Europe Once again Lake Agassiz makes it on this list,
this time with its final drainage which occurred around 8,200 years ago. After the lake’s last major drainage mentioned
above, the ice sheet replenished itself due to the cooling caused by the lake’s fresh
waters gushing into the Arctic Ocean. But as the planet began to warm up again 1,200
years later, the lake reappeared. But this time Agassiz seems to have merged
with another equally large Lake Ojibway. The joining was short lived, however, with
their complete drainage taking place, this time into Hudson Bay. Like before, the planet was plunged into another
cold spell, called the 8.2 kiloyear event. However, this event was far shorter than the
Younger Dryas, lasting for only about 150 years. Nevertheless, this sudden supply of water
into the world ocean, raised sea levels by a staggering 13 feet. Major flooding took place in all corners of
the world, from the Americas, Europe, Africa, Arabia, South Asia, and the Pacific Islands. Many submerged settlements have been found
all over the world, which seem to date from this period. This time in history may also be when all
the Flood Myths around the world came into being. But the biggest case of flooding came about
in Eastern Europe’s Black Sea, which at that time was no more than a fresh water lake. With the fast sea level rise, the Bosporus
Strait partially gave in and water from the Mediterranean poured into the lake to form
the Black Sea. The speed at which water poured in is still
debated to this day, as is the quantity. Some believe that over 10 cubic miles of water
entered the strait with 200 times the flow of Niagara Falls. This lasted for three centuries and flooded
60,000 sq. miles of land, with waters rising by six inches per day. Others believe the flooding was more gradual
and covered just 770 sq. miles. 3. The Zanclean Flood and the Mediterranean Sea Just like the Black Sea above, the Mediterranean
was also a lake once. As the African and Eurasian tectonic plates
moved closer and closer together over a course of many millions of years, they eventually
collided. Their initial point of contact was between
the Iberian Peninsula and the northern coast of West Africa some 5.6 million years ago. Isolated from the Atlantic Ocean, the now
Mediterranean lake began to evaporate due to the arid conditions over the course of
several hundred thousand years. In most places the sea floor was covered by
a mile-high layer of salt. This salt was then blown by the winds, wreaking
havoc on the surrounding landscape. Luckily, 300,000 later the Mediterranean was
full once again. The likely cause is believed to have been
the continuing shift of the crustal plates, which in turn caused the ground around the
Gibraltar Strait to subside. Over the course of several thousand years,
an instant in geological terms, the Atlantic dug its way through the 124-mile-long channel. The flow of water reaching the Mediterranean
basin was slow at first, but still three times the rate of discharge of the Amazon River
today. However, it is believed that once the channel
was wide enough, the surge of water was tremendous, filling the remaining 90% of the Mediterranean
basin in a course of several months to two years. The water level rise may have been as high
as 33 feet per day. This event is known as the Zanclean Flood. And even today, more than 5 million years
later, the Mediterranean is much saltier than the Ocean, due to the narrow strait that connects
them. 2. North China Drought, 1876-79 Between 1876 and 1879 a serious and large-scale
drought occurred in China, leaving some 13 million people dead out of the total of 108
million. As the world was emerging from its last period
of cooling known as “The Little Ice Age,” a drought in the Yellow River basin area began
in earnest in 1876, worsening the following year with the almost total failure of rain. This was by far the worst drought to hit the
region in the past 300 years, and definitely caused the largest number of casualties. Shanxi province was the most affected by the
famine, with an estimated 5.5 million dead out of a total population of 15 million. This was not the first time China was faced
with a severe drought, and up until the 18th century the nation was heavily invested in
the storing and distribution of grains in cases of dire situations such as this. In fact, the state on several occasions was
effective in preventing serious droughts from resulting in mass starvation. This time however, the Qing state was considerably
weakened by the mid-century rebellions and strong British imperialism, and was totally
unprepared for a crisis on this scale. Foreign and local relief efforts had been
made, but much of rural China had been depopulated by starvation, disease and migration. 1. The Collision Between Earth and Theia Though this list was not written in any particular
order, we’ve decided to end it with a huge, cataclysmic event of literal astronomic proportions,
which made our planet what it is today. And even if scientists are not 100 percent
certain it happened, there are strong indications that it did. Some 100 million years after our planet had
been formed by the gradual collection of asteroids and other space debris, the young Earth was
headed on a direct collision course with Theia, a hypothesized planet in our young Solar System. This other planetary-mass object is believed
to have been roughly the size of Mars, or somewhat smaller, and which 4.31 billion years
ago was flung towards Earth and smashed head-on into it. The force of the impact merged the two planets
together, forming the Earth we know and love today. The pieces that were blown out from the collision
were captured by the planet’s gravitational pull and slowly formed the Moon. The large size of our natural satellite relative
to Earth backs up the collision hypothesis. Moreover, scientists analyzing moon rocks
from three Apollo missions have compared them to volcanic rocks found in Hawaii and Arizona
and discovered no difference in their oxygen isotopes. Another indication of the collision is the
unusually large core and mantle of our planet compared to the other rocky worlds in our
Solar System, as Theia’s core and mantle mixed with Earth’s.

Author Since: Mar 11, 2019

  1. Okay, so we are putting four times as much CO2 in the air as that volcano of "biblical proportions" and you said it like it had an almost immediate effect globally. Seems to me our CO2 contributions shouldn't be compared to the massive detrimental repercussions this volcano had. In the last 30 or so years; most climate predictions involving man-made CO2 have been over estimated towards the hotter side along with higher sea-levels. I love your channel and this isn't meant to be a slight, but only me trying to understand. I'm always happy to be proven wrong when I can learn from it.

  2. Can not understand why you included the tornado outbreak as it's s local ,and did not have any affect on the planet earth or the future of the earth

  3. The chart you use at 4:21 to show the amount of CO2 vs average temperature is an inaccurate graph used by climate change deniers to show that CO2 levels do not lead temperature rise. It was used by Lord Monckton in his paid appearances to claim that CO2 has nothing or little to do with temperature change. The correct graph would have corrected temperature for the effects of the sun which was hotter the farther back you go in time. The correct chart shows a much better link between CO2 levels and average global temperature.
    You should replace it with the correct graph.

  4. 7:19 Simon, did I hear you say "Serbia", and not Siberia?
    17:28 Is that 'L4' in the lower left corner of the diagram refer to a Lagrange Point?

  5. This list is junk….. It missed a lot of major events like the 70,000 year old bottleneck, Chicxulub, end of the younger dryas event 11,900 yrs ago, yellow stone, the list goes on…..

  6. You first referred to the huge volcanic eruption that covered Siberia… later, when describing the Iceland laki eruptions, you mentioned the earlier eruption as being in Serbia. So which is right?

  7. Why have you never worked on the Younger Dryas period as postulated by Randall Carlson.
    ?
    You exist for knowledge. please keep going- you are the Copernicus of our age, and we need you.

  8. This has GOT to be the worst Top Tenz video ever.. from the balsaltic lava coming from Serbia, lol.. to the selection of little things like a few tornadoes as one of the biggest natural dissasters to hit the EARTH… here is my list of suggestions, in Chronological order:

    -Formation of the moon, via the near-destruction of the Earth
    -Late, heavy bombardment
    -Snowball Earth
    -Oxygen catastrophe… would have likely killed off any lifeform which found free O2 in the atmosphere, toxic
    -Super-extinction event at the Permian/Triassic boundary… Siberian Trapps and all that
    -Deccan Traps/Asteroid strike… extinction of dinosaurs & Co at end of Mesozoic
    -Ice Ages – several hundreds of thousands of years up until 12 to 14 thousand years ago: series of massive glaciations.
    -Toba eruption… important for humankind and a number of other species which nearly went extinct due to the sudden climate catastrophe that followed.
    -Younger Dryas
    -Thera eruption, which destroyed Minoan and other civilizations in the Mediterranian area
    -Trump

  9. Two of my paternal grandpa's brothers died from the Spanish flu. Grandpa was 8 at the time. According to my dad, one of Grandpa's brothers got his draft notice for World War I when he was on his deathbed.

  10. I remember the 2011 tornadoes. There was all sorts of damage here in Arkansas. I remember seeing a manufactured home that had a large pine tree fall on it. Later on the news I saw it again. There was a 84 year old woman in the house laying in bed asleep when it fell. She didn't make it

  11. There was a time when it rained for two million years and a dust storm that so threatened our existence it created a population bottleneck. We're less biologically diverse because soooo many people died. Like 85 percent of humans.

  12. Number 10 is totally wrong. The lake could not cause all the damage. The dam would have to be 8 miles high, holding back more water than even the Hover Damn. It is impossible for this event. While the lake did exist, it had little to do with the damage.

    It was a comet that struck the earth. The comet broke up and made more than one impact. See the Nebraska Bays, the Carolina Bays and the two craters in Greenland. Also backing this up is the nano-diamonds and other sentimental layers that match the one that killed the dinosaurs at 12,800 years ago. You also then look at the scablands in Washington State, there are things called the Dry Falls. 3 miles of rock was carved out in three weeks. Thousands of tons of stone also scraped along the ground.

    2 miles of ice vaporized in a moment, tons of ejecta and ice that was thrown into the atmosphere caused the younger dryas. This is what killed the North Atlantic Current, not the lake.

  13. Science, with Empiracle Evidence has seen a Geometric growth in our Understanding of Earth's Geologic History in the last few decades. We've only been "civilized" for less than 10,000 years and our collective memory is considerable shorter than that. We haven't, as a Species directly experience a fraction of what Earth hurls at itself in the form of Natural Disasters.

    Interesting that Science has now conjured up more Armageddon Scenarios than the 'book of revelations' ever even dreamed of! Science VS Religion: Science wins again. lol

    I like your videos I've seen so far, Simon. Today is the first time I've watched one–seen three actually. You cover areas very close to my heart, not that I crave disaster but my background is steeped in an Logical Positivism as the Basis for Western Scientific Methodology. The more we know, the better we can handle what befalls, as species–not a guarantee that we Can handle everything. We're not doing great on a number of fronts and a lot of that is because we haven't evolved beyond World Superstitions aka world religions.

    So far you seem on pretty sound "Terra firma" no irony intended. Not sure what folks can do in response to All these valid cautionary Tales of Disaster. Literally there is NO safe place to run and hide if one's goal is to be rid off all risks that Mother Nature can and will throw our way. Just a matter of time. It has EVER been thus. We were no safer in our ignorance and we may have to accept that we are simply not in control.

    No doubt you've already covered in one of your YouTubes but Word:
    Mt Toba–Super Volcano 74,000 thousand Years ago—Human Genetic Bottleneck
    Cumbre Vieja –Volcanic Island in te Canaries–Potential Mega-Tsunami East Coast North and South America

  14. Very interesting as usual, but I'd agree with other comments that some included items should not have been and visa versa.

  15. 2:17 don’t you have the water currents backwards? The warm water goes up east US coast and cold water travels south on west coast.

  16. It’s the twenty hundreds
    Twenty o one
    Twenty o two
    Twenty o three
    Twenty o four
    Twenty o five
    Twenty o six
    Twenty o seven
    Twenty o eight
    Twenty o nine
    Twenty Ten
    Twenty Eleven
    Twenty Twelve
    And so forth………..
    Makes the 21st Century the year of the idiot when you are unable to pronounce the year correctly.
    Eighteen Hundreds
    Nineteen Hundreds
    Twenty Hundreds
    Makes sense right?
    Then please stop saying it wrong
    Thank you

  17. Interesting don't include the astroid at the end of the Cretaceous period which wipe out the Dinosaurs and let the mammals like us in

  18. So the actual largest natural disaster in Earth's history, the Siberian Traps (you know, the event that caused the largest mass extinction event in history), is only #9… but some tornadoes are ranked higher? I was expecting to see extinction level catastrophes here, not some bad storms. Fail list.

  19. Mr. Whistler, thank you so much for your scientific topics and footnotes. I appreciate your videos immensely. Please add one small thing to your statements ie: these are some of the biggest "your text here" (and here's the addition…) THAT WE KNOW OF. This statement is the heart and soul of all of my experiments and hypotheses. We know such a small fraction of what is truly in our past. I really appreciated this video. Thank you very, very much.

  20. So the #5 Icelandic slide dealio was the inspiration behind Game of Thrones?!?!? It's a stretch, sure, but the place was plunged into darkness and winter. And those ghosts and ice people were the "survivors" of that event

  21. I'm missing the Great Oxygenation Event, perhaps (so far) the largest mass die-off caused by living organisms in earth's history, essentially caused by (the ancestors of) blue algae.

  22. I have thought of such a collision of the young earth as being responsible for the Pacific basin, ring of fire and Pangea.

  23. At 5:15 this a picture of WATER VAPOR (STEAM), not smoke. When people use misleading photos it tends to discredit the validity of their point.

  24. Can someone please get Simon laid? I swear at least 8 of the last 10 videos I've watched of his, he doesn't even ask if you liked the video at the end cause the last subject before the video ended is so horrendous. Bro you ok? Dont do it! You are amazing & have great worth as well as bring happiness & knowledge to many ppl. Suicide is a permanent solution to a temporary problem.

  25. I'm from the United States, in Minnesota specifically, and oh lord, I remember all of those tornadoes. We even had a few here. Ironically, that spring I was in 8th grade and we were actually learning about weather in my science class. And guys, I know that not everyone who watches this video is from the United States, but this was DEFINITELY a significant time period in the United States, and honestly, I wouldn't be surprised if it happened because of climate change. So, yeah, if it happened because of climate change, the tornadoes do affect more than us Americans because the weather around the world is getting more unpredictable. The tornadoes could be pointing to a bigger problem, which is climate change.

  26. as a gas fitter by trade it bothers me to no end that he calls Meth-Ane ( ch4 ) me thane… if he were not british, we would not accept this from a narrator. 😉

  27. How do we know our core and mantle are bigger than other planets in our system? Is it radio waves or gamma rays we directed at them or something?

  28. #11 Trump being elected as President Of The United States.

    There would be a lot less hate floating around if this crook didnt buy the presidency.

  29. Simon just called the global flood a "myth." Every culture around the globe but him knows about the flood. The flood and the breaking apart of pangaea should be at the top of this list, in that order.

  30. I'd never heard of a few of these. Great video! People forget how often natural events have precipitated major political upheaval.

  31. If there is historical evidence as well as archeological evidence can we really call it a “flood myth”

  32. No difference bemteeen moon rocks and volcano rocks?! Just more evidence for flat earthers to cling too…sadly

  33. No mention of the asteroid that took out the dinosaurs and paved the way for the dominance of mammalian life on Earth? Okay?

  34. I'm told the Toba catastrophe of about 75,000 years ago was the largest volcanic eruption (excluding the Siberian Traps eruption) and that as a result of the ensuring "Nuclear WInter" HomoSapiens was made almost extinct leaving only something like 1,000 breeding pairs which resulted in a "genetic bottleneck". I guess you didn't give these in order of the size or import of the catastrophe, the Siberian Trap eruption lasted something like a million plus years, caused the Permian extinction and it took Planet earth something like 6 million years before it could recuperate. No mention of the Medieval Black Death which killed off 1/3 or the human population?

  35. I’m sorry but the photo of the T-Rex (tongue out) you guys used in great dying part at 4:15 reminds me so much of my bulldog when he just wants his belly rubbed. His tongue is usually out in the same way too. He just wants belly rubs. Lol
    I really shouldn’t be joking about it, but I just found the picture hilarious.

  36. The idea of a gama ray burst is the scariest natural disaster to me. It hits totally out of no where, and will totally RUIN the earth and kill off almost every by destroying the ozone layer

  37. Some of this is nothing but bull there was no pangia and when you talk of thousands of years your hiding some of this is in time

  38. Old school Simon. Your content across channels and podcasts just keep improving. I would like to see more science/tech/natural history videos though.

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