Questions tagged [volcanoes]

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

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6
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2answers
116 views

What is the crust of a habitable planet with Io-like heat-pipe tectonics made of?

The Jovian moon Io is geologically active like Earth, yet it experiences heat pipe tectonics instead of plate tectonics. Heat-pipe tectonics is a cooling mode of terrestrial planets in which the ...
7
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4answers
543 views

Could a regularly erupting volcano create fertile soil for a fantasy empire to thrive?

I have recently learnt about the flooding of the Nile and the irrigation around it, enabling plentiful crops by depositing nutrient rich silt during bronze age Egypt. I have also learnt about volcanic ...
7
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5answers
385 views

Effects and feasability of a modern-day Olympus and Hephestus

The time... a few years from now. On the laser-launch pad of one of the spacefaring nations of Earth, a spacecraft stands, the time until its launch counting down steadily. The launch vehicle weighs ...
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1answer
97 views

Would a Jungle survive in a highly volcanic area?

I have an idea for a region of the world I am working on, and I'm not sure how realistic it is. Basically, the area is an equatorial jungle, closely bordering the ocean on one side. As a result there ...
3
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3answers
107 views

Would these processes be probable on this planet?

Background This planet, located somewhere in the Andromeda galaxy, orbits a M5V star about 0.682764 AU away from its star. The planet is volcanically active due to the gravitational field of the ...
5
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3answers
187 views

How to survive a supervolcano eruption in short term and a post-apocalyptic world in long term?

A supervolcano has erupted (with a Volcanic Explosivity Index (VEI) of 8 or higher1) at Yellowstone Park. I am not in the kill zone and not in at least 300 km (~185 miles) radius so I have time to ...
2
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1answer
37 views

Volcanic island generating its own storms

Picture this, a highly volcanic island sitting in the middle of a temperate or sub-arctic sea, the heat generated by the magma beneath the island and the volcano heats the air enough to generate a ...
4
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1answer
98 views

Could Volcanism Provide a Large “Heat Oasis” in a Polar Desert?

So there is an Antarctic like continent in my setting; and just like Antarctica it is the largest and most inhospitable desert in the planet due to how absolutely cold it is. But what if there was a ...
2
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1answer
96 views

Is an extinct volcanic tube marketplace possible

Could people with Iron Age technology possibly dig large holes in volcanic rock on the edges of a lave tube system. Would this be an effective way to run a trade business or to live in an underground ...
13
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1answer
351 views

Where do hydrothermal vents form inside icy ocean worlds?

Context: In a near-future version of our solar system, humans have established multiple underwater colonies on Jupiter's moon Europa. Many of these outposts are situated next to hydrothermal vents ...
3
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1answer
96 views

Can I use an active flood basalt province as a “biome” without messing my world up?

I want to use the an active large ignious province (LIP) as a "biome" on a continent in my world. This video about the Siberian Traps inspired me. A LIP modeled after the Siberian Traps gives you a ...
2
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2answers
259 views

Would the Flamebreaker Armor in “The Legend of Zelda: Breath of the Wild” work?

The Flamebreaker Armor is a full plate armor present in the videogame The Legend of Zelda: Breath of the Wild, which protects the wearer from heat. When fully upgraded, it makes the wearer fireproof ...
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3answers
778 views

Could an eruption be triggered at Yellowstone via kinetic bombardment?

While similar questions have been asked, I don't believe kinetic bombardment was brought up, with focus centred around nuclear warheads. Considering the ability for a "rod from god" to embed into the ...
6
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4answers
567 views

How could a volcanic island last for 100 million years?

Some islands can survive for very long. Madagascar, for example, has been around for 80-100 million years and is likely to remain isolated for hundreds of millions of years more. Volcanic islands, ...
8
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2answers
649 views

What's the largest igneous province an impact event could create on Earth?

With the potential for an impact event to trigger volcanic activity on the opposite side of the planet, what is the largest plateau of flood basalt physically capable of forming on Earth, post-impact?
8
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2answers
85 views

Plausibility check: heat emission from extinct volcanoes

There's an important aspect of my headworld involving volcanoes which I planned many years ago. Recently I revisited this concept to refine it further, only to run into a few questions that I've been ...
8
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6answers
236 views

Geothermal Oasis Alternatives on Ice Planet

I have an Earth analog that is nearly completely covered in ice and glaciers. I want to have oases of warmth scattered across the planet. These oases aren't tropical by any means, having just enough ...
3
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7answers
979 views

How could a tree survive a volcanic blast?

Background I am working on a Role Play Video game, and I have a particular island called Morogar in my medieval fantasy. (Magic and Mythical Beasts run wild). Originally an island with forests and a ...
2
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2answers
136 views

What is a required for a creature to be capable of diving into lava lakes? [closed]

So far along the lines of this matter, I've decided that if they were 5'8" and humanoid, composed of something similar to Tungsten, so they don't melt or burn, they would weigh around 3,846lbs/1,744....
4
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2answers
247 views

A Dozen Cubic Miles of Volcanic Ash--How Big Would the Cloud Be?

On May 18, 1980, Mount Saint Helens made American history with an eruption that took 57 human lives and killed thousands of animals. It has released only a quarter of a cubic mile of ash, but it is ...
20
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2answers
5k views

A hang glider, sudden unexpected lift to 25,000 feet altitude, what could do this?

This is the third in a series of 5 (at this point) questions. It's not relevant to this question, but for anyone who's curious this was the first, this the second. Conditions for this question are: ...
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3answers
2k views

Benefits to Yellowstone Eruption today?

If the Yellowstone Supervolcano did happen to erupt within the next ten years or so, what benefits would there be to humanity? I understand that there would probably be many extinctions to other ...
2
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2answers
305 views

Realistic placements of Mountains and the like

This question basically boils down to this: What would be the places on a given continent where one would find mountains? I have seen maps from games, movies, board games, books etc. where it would ...
3
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4answers
288 views

Perpetual Volcanic Eruption

As the title says, is it possible to have a volcano that is perpetually erupting, and how would it be achieved? To be considered a "Perpetual Eruption", the volcano must emit moderate quantities of ...
10
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3answers
638 views

Geopolitical and Economic Implications of a Large Eruption at Yellowstone

Yellowstone National Park is the site of a large supervolcano that is somewhat due for an eruption in the geological near term. I have seen slides and discussions to the effect that large portions of ...
6
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5answers
246 views

Boiling sea between volcanoes

In my world, there is a chain of offshore volcanoes which are the result of a smaller plate hitting a larger one. There are two to three active volcanoes. My question is: two of these volcanoes are ...
7
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4answers
369 views

Can reckless idiots wake up a dormant volcano using mining equipment?

My story for a video game has some kind of "enemy" (think "the Others" from Lost—little is known about them; they have control over a small settlement or two and appear to be engaging in some manner ...
6
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4answers
766 views

Stopping a Volcano

I've seen in multiple forms of fiction the sort of joking notion of stopping a volcano from erupting by just... plugging up the top with something? Like, a large and sufficiently heavy rock? While ...
3
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4answers
283 views

Defence against volcano?

Say I have a group of people who live next to a volcano for religious reasons. They will not move. This volcano erupts very regularly - almost once a week. What kind of defence or adaptability ...
6
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2answers
158 views

How to modify the human respiratory system to be able to breath in volcanic ash

Okay so in the novel I am writing there’s a Third World War fought by the nations of earth against a human space empire (I am overly simplifying this ) . Now the thing is the empire uses transhuman ...
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1answer
66 views

New virus living in geothermal steam vents [closed]

Would a scenario be possible where an existing virus hybridizes with a still-undiscovered virus that previously lived only in geothermal features, such as deep ocean vents, geysers, mud pots, or ...
1
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1answer
107 views

Volcano near river mouth

When a volcano is under the sea, but close to the coastline, it creates islands. I have a volcanic island near (less than 20km away) a river mouth. Is this feasible? I couldn't find any real example. ...
9
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4answers
2k views

How long does it take for islands to form after an underwater volcanic eruption?

So, vaguely, I remember from earth science that when submarine volcanoes erupt they eventually form archipelagos. My question actually has several parts; Starting with the first eruption to break ...
4
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3answers
562 views

Determination of reasonable volcanic island height from area?

My islands (in the world I'm building) were formed from a volcanic hotspot. I want to build realistic islands, so I was wondering how tall volcanic islands are generally in relation to their area. ...
4
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2answers
558 views

The Subductive Hotspot

On Earth, there are only two different ways to create major volcanoes. One way is subduction. It occurs when older/heavier rock sinks beneath younger/lighter rock. As the rock descends, it ...
4
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4answers
181 views

Could a large string of mountains stop volcanic ash from traveling any farther?

I am adding a new area to my game (a free-roam RPG): the ashlands. I put a small volcano (only about 15ft wide and long, and about 20ft tall. Really, more of a lava vent) on the western edge and have ...
4
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2answers
282 views

Can Off-shore Calderas Exist?

A caldera is usually the remnant of a volcanic eruption powerful enough to collapse the structure surrounding the magma chamber. Many of our examples, like Yellowstone, Crater Lake, Toba and even ...
5
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1answer
170 views

Would it be feasible for a single planet to have both magma based volcanoes and cryovolcanos?

I took astronomy class last semester, and I became aware that there were not only magma based volcanoes, but ones run on colder moons in our solar system, called cryovolcanos that in essence spew ...
8
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2answers
501 views

Is there anything wrong with my plate tectonics map?

Here is a map I just produced of the plate tectonics of a world I'm working on. Does anyone familiar with the subject see anything wrong with it? If you can differentiate between the penciled and the ...
4
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3answers
367 views

How can the human race disappear in a few days? [duplicate]

Is it possible to eradicate the human race in one week? And if yes, by which way? Of course, the human race should do everything to survive. What could be more powerful than our will to survive? 1. ...
7
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2answers
553 views

Three of the Four Kinds of Volcanic Eruptions…Underwater

A volcanic eruption is measured in two constants--gas and viscosity. For clearance, low viscosity is like squirting water off a nozzle, whereas high viscosity is like squirting caramel off a nozzle, ...
5
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2answers
616 views

What type of city-structure can survive a shield volcano?

So I have a continent by the name of Sho. It is highly inspired by Asia, but will have a few mixes in the fray to give it my own touch. There is a specific people that live near a shield volcano. I'...
6
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6answers
354 views

How could an island surrounded by scalding steams be accessible in medieval age?

Set in the medieval period, preferably around 15th century, there is a habitable island the size of New York surrounded by boiling water inside the mouth of a volcano. How could you explain that there ...
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2answers
251 views

Can a new volcano have metals inside?

If I were to use handwavium to raise a volcano in the middle of the sea, would it contain metals or ores large enough to be extracted by normal means, like mining with a pickaxe? Everything apart ...
1
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1answer
120 views

Given an initially high concentration of CO2 and H2O, how efficient can I conceivably make a photosynthetic reaction?

I have been told that the high proportion of O2 and CH4 in my atmosphere are unsustainable unless constantly refreshed by an active process. I would like to sustain the following atmospheric ...
4
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2answers
147 views

What is a plausible way to fuel highly active volcanism and seismic activity on my planet?

I thought that a large, close moon might help generate enough heat and stress to raise the average temperature on my world and stave off a Snowball Earth scenario. According to this article and this ...
8
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1answer
199 views

Where to find equations to calculate tidal heating in a binary planet/planetesimal system?

I'm building a very small homeworld (0.602 M$_e$) with a very large moon (0.0711 M$_e$) that orbit each other at a barycenter about 7.12 planetary radii (1 R = 0.870 R$_e$) from the primary's center; ...
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, ...