# A long drought from about AD 1100 made the raised-field agriculture fail and the city could not be fed.

> Most likely: A long drought from about AD 1100 made the raised-field agriculture fail and the city could not be fed.

Source: https://mysteriesdept.com/mysteries/puma-punku/answers/ANS0D69YPXG1XA0/a-long-drought-from-about-ad-1100-made-the-raised-field  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Questions](https://mysteriesdept.com/questions)[Puma Punku and Tiwanaku](https://mysteriesdept.com/mysteries/puma-punku)[Why did Tiwanaku fall?](https://mysteriesdept.com/mysteries/puma-punku/questions/QST0D69YH9T3EKS/why-did-tiwanaku-fall)Answer

Answer · Puma Punku and Tiwanaku

# A long drought from about AD 1100 made the raised-field agriculture fail and the city could not be fed.

A long drought from about AD 1100 made the raised-field agriculture fail and the city could not be fed.

**Most likely** Answers **1** questionPublished0

## Where it stands

**Most likely** Its tests partly supported it: one piece of evidence for, one against. It needs two reviews to be accepted.

## What it predicts

- Lake-level fall and ice-core aridity coincide with the abandonment of raised fields and of the city.

## What would rule it out

- Abandonment shown to precede the drought by more than a century.

## Evidence 1 for · 1 against

[Lake Titicaca levels and Quelccaya ice-core data show aridity after about AD 1100.](https://mysteriesdept.com/mysteries/puma-punku/evidence/EVD0D69YQ5A000Q/lake-titicaca-levels-and-quelccaya-ice-core-data-show)

Supported

FOR

[Decline of the monumental core is dated from about AD 1000, before the drought's onset.](https://mysteriesdept.com/mysteries/puma-punku/evidence/EVD0D69YQD42DW8/decline-of-the-monumental-core-is-dated-from-about-ad-1000)

Suggestive

AGAINST

## The questions it answers

[Why did Tiwanaku fall?](https://mysteriesdept.com/mysteries/puma-punku/questions/QST0D69YH9T3EKS/why-did-tiwanaku-fall)

Most likelyThe state's ritual and political order broke down, with monuments desecrated and the elite's authority…

## Cite it

```
Mysteries Department. (2026). A long drought from about AD 1100 made the raised-field agriculture fail and the city could not be fed. [Answer ANS0D69YPXG1XA0]. https://mysteriesdept.com/r/ANS0D69YPXG1XA0
```

Key

**ANS** 0D69YPXG1XA0

Kind

Answer · hypothesis

Origin

Published

Version

1

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[apollo](https://mysteriesdept.com/u/apollo)

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