Changeset: 86299088
volcanoes
Closed by tguen
Tags
changesets_count | 1591 |
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created_by | iD 2.17.3 |
host | https://www.openstreetmap.org/edit |
imagery_used | Bing aerial imagery |
locale | en-US |
Discussion
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Comment from Joseph E
tguen, I have changed these peaks back to natural=peak. The tag natural=volcano is used for a volcanic vent, so it needs to be active or dormant and still identifiable as a volcanic vent by a non-expert. These hills do not qualify. Also, the nodes are at the highest point of the hill, not necessarily the location of the extinct volcanic vent.
https://wiki.openstreetmap.org/wiki/Tag:natural%3Dvolcano
"An opening exposed on the earth's surface where volcanic material is emitted." -
Comment from tguen
There is a lot of conflicting info on the wiki, so I used overpass-turbo to check how "volcano:status=extinct" is used. It has been used with "natural=peak" 31 times, and "natural=volcano" 755 times. I opted for the more popular combination but I think either is fine.
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Comment from tguen
*Used with "natural=peak" 31 times, including these 15. Still, I think it's fine either way.
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Comment from Joseph E
Right, I understand that this is a popular way to tag extinct volcanoes, but it is incorrect. The tag natural=volcano should represent a volcanic vent, so the center of a crater or volcanic plug or fumarole etc, - but these nodes are the highest elevation point on each hill, so they are natural=peak features. It could be possible to map the historic location of the extinct volcanic vent separately, if you can find a reliable and accurate source for this information, but personally I don't think it is entirely appropriate for OpenStreetMap since it cannot be verified to be correct or not by OpenStreetMap users.
For example, if I changed Council Crest in Portland to natural=volcano, would you be able to prove that this was incorrect, even if you visit the location in person?
Nodes (6)
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