What If Every Volcano On Earth Erupts At Once ?

Have you ever imagined that if every active volcano on our Earth is erupting? What will happen? If all the volcanoes on Earth erupted at once, would our Earth bear all the molten lava, sweltering gasses, ash? How much it will take to be normal like before eruption? Would there be anyone left who can update us about the ongoing disaster?

In 1815, Mount Tambora erupted in Indonesia, killing an estimated 92,000 people. It was the biggest eruption in recorded history. And yet, Tambora was about one-seventh the size of the smallest supervolcano. There are about alot of these monsters worldwide. What if they all erupted at once?
If every volcano erupt, we'd have a hard time to find a safe place to shelter, because almost every continent have at least one supervolcano. For example, there is Yellowstone in the US, Ngorongoro in Tanzania, and Toba in Indonesia. So, basically, no matter where we are, we're out of luck. 

Not all the volcanoes are dangerous. There are some extinct volcanoes those have not erupted in last 10,000 years. Every day, between 10 to 20 volcanoes are erupting somewhere on Earth. In total, there are 1,500 active volcanoes on land, and an unknown number of them underwater. 20 of those on land are known as super volcanoes.
If every volcano erupt at the same, there will be alot of explosions on Earth. The explosions and outpourings of lava would be deadly to people living close by. Explosive eruptions would churn out wall of rocks, ash and gas, wiping out the nearby areas. We would not be able to get out of that huge hot cloud – rocks as hot as 1,000°C (1,830°F) would be traveling faster than as 700 kph (450 mph).

Not all the volcanoes would went off that violently. Instead of outpouring magma powerfully, some volcanoes would steadily eject it on the ground. That’s called an effusive eruption

A thick layer of ash would blanket the Earth, completely blocking incoming sunlight. The ash would linger in the atmosphere for up to 10 years. The Earth would be pitched into complete dark. Without sunlight, the process of photosynthesis will be devastated. All the plants and crops will destroy. Even if some crops could somehow survive without sunlight, acid rain would wipe out all the crops. Volcanic gases include nasties such as hydrochloric acid, hydrogen fluoride, hydrogen sulfide and sulfur dioxide, which can become acid rain when they condense high in the atmosphere.
Deep ocean volcanoes and acid rain would contaminate the water. In such conditions of ocean acidification, marine life would suffer a huge losses. The extinctions would destroy the entire food chain.
Explosive volcanic blasts also shoot ash, dust and gas into the stratosphere. These particles reflect sunlight away from Earth. Because of blockage and reflection of sunlight, no sun rays would reach the Earth's surface, significantly cool down the planet (Earth), to the point that we may end up in a new Ice Age. 
Volcanic eruptions do release the greenhouse gas carbon dioxide, we’d see a tremendous greenhouse effect, that would heat up the planet again.
If some of us survived the volcanic explosions and didn't die from breathing in the ash and carbon dioxide, then the safest place for them to live might be an underground bunker or on a ship in the middle of the ocean. But make sure that you have enough food and warm clothes to keep you alive in this post-apocalyptic world. And you'd have to until the atmosphere clears up, that is going to take long time.
When you'll come out, you won't find the Earth as it is before. This type of condition is unlikely to happen. At least there is no evidence of all volcanoes erupting at once in the 4-billion-year history of Earth.

The End Notes

That's all in this article. We don't know what will happen. But it would be better to prepared for everything. I hope you liked it. Please share your views in comment section.

Thanks for reading!

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