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| List of paterae on Io ： ウィキペディア英語版 |
List of volcanic features on Io
This is a list of named volcanic surface features on Jupiter's moon Io. These names have been approved for use by the International Astronomical Union. The features listed below represent a subset of the total known volcanic features on Io's surface with the majority currently not having an officially approved name.
The names of volcanic features on Io use a combination of a name derived from a mythological figures from around the world related to the Sun, fire, volcanoes, thunder, or smithing, places from the Greek mythological story of Io, Dante's Inferno, or from the name of a nearby feature on Io's surface and an approved descriptive term. The descriptive term used is based on the type of feature named and how it was first discovered. Volcanoes that were first observed as an active feature from observations of a volcanic plume fit under the category of "Eruptive Center" and do not use a descriptive term, though portions of these features may have also received names that do use a descriptive term, like Prometheus Patera or Masubi Fluctus. Lava flows use the descriptive term ''fluctus'' or the plural ''fluctūs'', e.g. Acala Fluctus. Volcanic depressions use the term ''patera'' or the plural ''paterae'', e.g. Ah Peku Patera. The term has also become the generic term for referring to these structures. Small shield volcanoes use the term ''tholus'' or the plural ''tholi'', e.g. Inachus Tholus. Finally, channels carved by volcanic lava flows through thermal erosion use the term ''vallis'' or the plural ''valles''.
See also the list of mountains on Io and the list of regions on Io.
== Eruptive centers ==
Eruptive centers on Io are locations typically where major volcanic activity was observed and characterized before the volcanic landform was. Coordinate, diameter, and name source come from the IAU's Solar System Nomenclature Website.〔 All of these features have been observed as active volcanoes on Io.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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