Tag:geological=volcanic_caldera_rim
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 geological = volcanic_caldera_rim
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| Description |
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The crater (caldera) of a volcano.  
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| Group: geological |
| Used on these elements |
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| See also |
| Status: in use |
| Tools for this tag |
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A volcano crater rim is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption.
For the volcano itself, add a node 
with natural=volcano.
How to map
Draw a closed way 
on the edge of the crater or a way 
if only one part is known, and add
- geological=volcanic_caldera_rim
- volcano:type=caldera - if it is a caldera
- natural=cliff - if there is a steep slope (note the direction of the way)
- natural=ridge - if an edge is more like a gentle hill
- natural=water - if the crater is full of water
Examples
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 Kerið crater |
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 Mount Katmai |