Questions tagged [natural-disasters]

For questions about naturally occurring phenomena that cause damage and threat to a sentient being, e.g. tornadoes, earthquakes, meteors, etc.

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9
votes
4answers
880 views

What if the asteroid never hit? [closed]

Science fiction and fantasy stories are full of alternate worlds populated by races of beings that look mostly human but kind of different. But is that at all realistic? When the dominant life forms ...
13
votes
6answers
2k views

Does the sun being blocked affect electricity?

I feel like this is the most noobish question ever. Anyway, imagine an asteroid hits Earth and the atmosphere is now full of particles, successfully blocking the Sun from Earth. There are people still ...
14
votes
2answers
894 views

How close must a supernova be to severely harm the Earth?

I did a little looking and it appears stars outside of 10 parsec/33 ly will have very little effect on the Earth. What it did say was that inside that range the gamma rays would affect our ozone ...
19
votes
6answers
20k views

What would Earth be like right now without the Black Death?

The black death wiped out anywhere between 20% and 50% of the human population, and so without it obviously the world population would be billions more than it is now. What I'm more interested in is ...
4
votes
3answers
230 views

'Magic Came Back' Catastrophes - Air and Earth [closed]

Referring back to https://worldbuilding.stackexchange.com/questions/2781/magic-came-back-catastrophes In the interest of narrowing questions down, I am splitting these out into particular elements ...
8
votes
3answers
305 views

'Magic Came Back' Catastrophes - Wood-based Disasters

Referring back to https://worldbuilding.stackexchange.com/questions/2781/magic-came-back-catastrophes In the interest of narrowing questions down, I am splitting these out into particular elements ...
4
votes
4answers
307 views

'Magic Came Back' catastrophes - Water-based Disasters

Referring back to https://worldbuilding.stackexchange.com/questions/2781/magic-came-back-catastrophes In the interest of narrowing questions down, I am splitting these into particular elements and ...
4
votes
4answers
347 views

'Magic Came Back' catastrophes - Fire-based Disasters

Referring back to https://worldbuilding.stackexchange.com/questions/2781/magic-came-back-catastrophes In the interest of narrowing questions down, I am splitting these out into particular elements ...
42
votes
7answers
4k views

What would World War I outcomes be if the Tunguska event had occurred over London in 1908?

I am exploring an alternative history of a timeline if the centre of the British Empire is wiped off the map in the early 20th century. The Tunguska event was believed to be an air burst comet or ...
11
votes
1answer
1k views

Where would an asteroid have to hit earth to cause an impact winter?

I found this on Wikipedia. I'm aiming for the fastest climate change possible without that much advanced notice, e.g. perhaps a regional sized asteroid scientists miss or are too distracted to catch ...
11
votes
4answers
255 views

A giant meteor, balancing destruction and life sustainability

So as a geographic feature and major historic event I have a meteor (and the resulting crater) idea in my head. The idea is that the meteor sort of resets civilization. Obviously I don't want it to ...

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