List of geological features on Io

This is a list of named geological features on Io, a moon of Jupiter. See also the list of mountains on Io and the list of paterae on Io.

Eruptive Centers

Eruptive centers on Io, locations typically where major volcanic activity was observed and characterized before the volcanic landform was, are named after the gods of volcanoes and/or blacksmiths in various mythologies.

Catenae

On Io, catenae (crater chains) are named after sun gods in various mythologies. In 2006, the use of the term catena was discontinued in favor of the patera or plural paterae. Below is a list of features that previously used the descriptor term catena.

Fluctūs

Ionian fluctūs (areas of lava flow) are named after fire and thunder gods in various mythologies, or after locations in Greek mythology associated with Io.

Mensae

Ionian mensae (mesas) are named after mythological figures associated with fire or with the nymph Io.

Montes

Ionian montes (mountains and volcanos) are named after people and places associated with the nymph Io, and sun and fire gods in various other mythologies.

Paterae

Ionian paterae (shallow craters and crater chains) are named after sun gods and fire gods in various mythologies.

Plana

Ionian plana (plateaus) are named after locations in Greek mythology associated with the nymph Io.

Regiones

Ionian regiones (regions) are mostly named after locations in Greek mythology associated with the nymph Io.

Tholi

Ionian tholi (hills) are named after mythological figures associated with fire or with the nymph Io.

External links

• USGS: Io nomenclature

Io
Main articles	Io Volcanology of Io Exploration of Io
Geology	Lists Regions Mountains Volcanic Features Quadrangles Paterae Ah Peku Amaterasu Asha Babbar Dazhbog Estan Fuchi Gish Bar Kami-Nari Kinich Ahau Loki Manua Maui Mithra Monan Pillan Prometheus Pyerun Reiden Shango Svarog Tawhaki Thomagata Tupan Tvashtar Viracocha Mountains Egypt Euboea Silpium Tohil Lava flows or channels Tawhaki Volcanoes Amirani Masubi Pele Prometheus Surt Thor Zamama Fluctūs Kanehekili Fluctus Plains and plateaus Danube Planum
Exploration	Past Pioneer program Pioneer 10 Pioneer 11 Voyager program Voyager 1 Voyager 2 Galileo Cassini New Horizons Proposed Io Volcano Observer Cancelled/ Concepts Jupiter Icy Moons Orbiter Jupiter Magnetospheric Orbiter