Questions tagged [volcanoes]

For questions involving volcanoes, volcanic eruptions, and related phenomena, whether or Earth or elsewhere.

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3
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6answers
3k views

Could I intentionally trigger a Yellowstone eruption?

I'm very interested in a post-eruption setting in the continental United States. Unfortunately, it looks quite unlikely that a serious caldera-forming eruption is in our near future. However, we're a ...
3
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6answers
160 views

How do I use explosives to erupt a small volcano and cause a pyroclastic flow and large plume? [duplicate]

I am evil and wish to destroy a town near a volcano and kill all of its citizens. The volcano is small - about 15 square kilometers in area. The town is even smaller. The thing is that I don't live ...
24
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14answers
10k views

What wearable material do I need to survive a pyroclastic flow?

This question is inspired by Green's Volcanoes in Orbit! The premise is that there is a 50-mile-high shield volcano (again, let's ignore the height implausibility) with a slope of about 2-3 degrees, ...
10
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3answers
739 views

Volcanoes in Orbit!

Building on this question about space exploration on the slopes of a 50 mile high volcano, I'm curious what would happen when the volcano erupts. The volcano is: 50 miles high, just on the edge of ...
34
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12answers
7k views

How can a human cause the Yellowstone to erupt?

The story is in contemporary earth and with same technology. How can a single human make the Yellowstone explode with the tools available to us now (or with slightly advanced ones, but nothing too sci ...
2
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7answers
656 views

Lava behind a forcefield; How to solidify the lava in contact? [closed]

I have a volcano spewing a lavaflow over the countryside. I have a small valley area protected by an advanced forcefield. It is an extended version of a space going ship's forcefields. When lava ...
4
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2answers
253 views

Could the Siberian Eruption Get Any Bigger?

Background Information: 252 million years ago, Siberia erupted, releasing enough lava to fill in a volume anywhere between one and four million cubic kilometers. Any time someone thinks "large ...
15
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6answers
10k views

Can lava still be red hot liquid underwater?

I want a lake which contains a crater of active volcano at the bottom, which the volcano has a lava lake and the lava is still red hot in liquid state, just like lava lake above water on Earth. Is ...
-2
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1answer
219 views

Could a super volcano cause ragnarok like events?

For the world I am creating I am trying to have an event like a super volcano explosion in its past. Generations of oral storytelling have resulted in the Norse mythology of Ragnarok making its way to ...
31
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6answers
5k views

How would we try to defuse Yellowstone?

There exists a fictional future world where we have determined space travel is impractical for the majority of the species, despite the fact that technology is more advanced than today. There are no ...
15
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5answers
2k views

Considerations for a Dwarven Volcano City

Related: Could a Dwarven Civilization Exist? Background: A Dungeons and Dragons world (for all intents and purposes, Tolkein lore is close enough) in which a group of colonists far from home are ...
7
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1answer
157 views

The Geography and Ecology of a Supervolcanic Planet

What would be the geographical and ecological implications for an Earth-like planet that experienced intense volcanic and supervolcanic activity on a scale that, while decreasing over time, was far ...
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2answers
184 views

Molten Whirlpool planet

Premise; A magma/lava planet tidally locked around its sun. The side facing the sun is always erupting lava, the dark side is a cooled shell, which sinks into the magma beneath in a global whirlpool. ...
3
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2answers
204 views

Would it be possible to have fresh water in a world where there was a major volcanic eruption which destroyed all civilisation apart from one city?

For an area in a world I am creating, 300 years prior to the present day, the northlands were destroyed by major volcanic eruptions. Would it be possible for there to be water accessible to a party ...
7
votes
1answer
143 views

A layer of igneous rock over a large area

How big of a volcano would be needed for a large (Alaska-sized) area on an Earth-Like planet to be covered in a thick shell of igneous rock? Would that volcano also destroy the world or make it ...
3
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1answer
421 views

Russia's Alternate Geological History

Since the geological history of the world's largest nation is as big as the nation itself, and since I don't have a master familiarity with Russia's formation over hundreds of millions of years, I'm ...
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2answers
219 views

Volcanic winter related to moons?

My Kepler Bb planet has 4 moons and is habitable. So that is good. But all 4 of these moons are major moons which while indeed possible, could be a problem. You see, these moons are in resonance so ...
20
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10answers
4k views

How large can a volcano be?

A key part of the plot in a story I'm working on revolves around the main region being on top of volcano that is set to erupt. The trouble is that the region in question in my setting is roughly the ...
2
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3answers
137 views

Supervolcano Defense - 2100

In the year 2100 the population of the United States is close to near one billion people (thanks to refugees from the Great Islam War in Europe). Advanced seismic technologies have detected that the ...
19
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4answers
11k views

What would happen to Earth if Yellowstone Erupted

In a world I am building; Humanity has left the earth and now only the plants, animals and cities remain. Many animals continue life undisturbed, while other went extinct. But with the disappearance ...
4
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2answers
172 views

Californian Yellowstone

North America's largest and perhaps most popular volcano is the plume of mantle situated right beneath the surface of what we arbitrarily call Yellowstone National Park. This image shows the two most ...
6
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2answers
2k views

Would it be possible to create an artificial volcanic island?

A volcanic island can obviously come into existence quite easily and swiftly by natural causes, as evidenced for instance by the appearance of Surtsey off the coast of Iceland. However, people have ...
13
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3answers
2k views

Blue Cryovolcanic Planet

Everybody, even those who are complete beginners in the field of Astronomy, know Io, the cryovolcanic moon of Jupiter that looks like a burned pizza with skin cancer. Volcanoes constantly spit out ...
11
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3answers
584 views

Habitability of an icy volcano planet

Suppose we have a rocky planet (somewhere between Earth- and Super-Earth- sized) orbiting a star far enough away that it would be around Pluto's temperature if sunlight was the only heat source. If we ...
6
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3answers
795 views

Which type of creatures could exist in a volcano world?

Yes, no one, only bacteria and with luck. Let's suppose that: It is a fantasy world; The creatures live in a dormant volcanoes zone; The neighbors volcanoes are about 5 km and they are still ...
17
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4answers
2k views

Castle surrounded by lava

After watching first Shrek, I got interested in one detail: Can you build a castle which is surrounded by lava, using medieval technology? For scope of this question: Imagine ultimate wealthy king/...
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1answer
182 views

History Rewritten…By Katla Volcano [closed]

In 2010, the Icelandic volcano of Eyjafjallajökull (a pronunciation guide to this will be much appreciated) had released a cloud of ash that enveloped all of Europe, a good deal of Asia and the ...
6
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1answer
324 views

If a Volcano Killed Rome Instead of the Barbarians

In the fourth and fifth centuries AD, the Roman Empire had fallen under bad times. Within its boundaries, the once powerful nation had been getting compromised by political corruption and civil ...
5
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5answers
653 views

Volcanic Debris Clouds In Planet's Low Orbit?

I have a few questions related to a crazy setting I'm working for my novel. Let's say we have a planet with a thin atmosphere and low gravity. It's volcanic activity is so intense that the planet has ...
5
votes
1answer
221 views

Bay evaporated by a volcano

In the world I am designing, I want to have a bay with a tight bottleneck, filled with salt water from the ocean. You can think of the bay as river shaped. To avoid creating a "C" shaped island I want ...
4
votes
1answer
877 views

Is a volcano civilization possible?

I would like to create a civilisation that develops near active volcanos. In ancient times, they would make good use of volcanoes like: Use lava as heat resource. Use lava as material to make bricks, ...
1
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1answer
109 views

Effects on wildlife of having permanent smoke in an area

The setup: A thick mountain chain is permanently covered in smoke. The smoke comes from several active volcanoes within the mountains, and is kept from dispersing by magic (the magic plays virtually ...
6
votes
7answers
455 views

What factors could delay the rescue of a small group of survivors on a Pacific volcanic eruption?

The rag-tag group of natives and tourists somehow survived for a week on the manor by the cliff, while the volcano still spits lava and pyroclastic clouds all around. Just before the last cell tower ...
4
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4answers
503 views

Artificial volcanos on Mars to recover its atmosphere

I am developing a plan to colonize Mars. Due to Mars' current lack of dense atmosphere and lack of oxygen (its found only as traces), I am setting the following plan: Bore holes through Mars' ...
7
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2answers
654 views

How close is too close for a human habitation to be near an erupting volcano?

I am working on a survival suspense story, where a sizeable group of surivors is trapped in a tropical island (somewhere in the Ring of Fire) by a volcanic eruption. They find shelter from the ...
6
votes
3answers
663 views

Can I harness a volcano as a weapon?

This may be the first of a few questions in a series about building a medieval mountain fortress. I'll wait and see what the reaction is. In the middle of a series of mountains lies a stratovolcano ...
10
votes
4answers
1k views

Size of the volcano that ends the world

One of the theories behind the extinction of the dinosaurs is the eruption of one or a series of volcanoes. Supposedly the ash expelled by these eruptions blocked out the sun, killing plants and thus ...
2
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1answer
296 views

Volcano the size of Australia

What would happen a volcano the size of Australia were to erupt? How high on the extinction-list would it rank? Would it be above the asteroid that hit Earth and killed the dinosaurs? Which known ...

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