Astronomy:List of geological features on Io

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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.

Volcano	Named after
Amirani	Amirani (Georgian)
Kanehekili	Kanehekili (Hawaiian)
Loki	Loki (Norse)
Marduk	Marduk (Babylonian)
Masubi	Ho-Masubi (Japanese)
Maui	Māui (Hawaiian)
Pele	Pele (Hawaiian)
Prometheus	Prometheus (Greek)
Surt	Surtur (Icelandic)
Thor	Thor (Norse)
Volund	Volund (Norse)
Zamama	Zamama (Babylonian)

Catenae

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

Catena	Named after
Mazda Paterae	Ahura Mazda (Zoroastrian)
Reshet Patera	Reshet (Aramaic)
Tvashtar Paterae	Tvashtri (Hindu)

Fluctūs

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

Fluctus	Named after
Acala Fluctus	Acala (Buddhism)
Arinna Fluctus	Arinna (Hittite)
Donar Fluctus	Donar (Germanic)
Euboea Fluctūs	Euboea (Greek)
Fjorgynn Fluctus	Fjorgyn (Norse)
Kanehekili Fluctus	Kanehekili (Hawaiian)
Lei-Kung Fluctus	Lei Gong (Chinese)
Lei-zi Fluctus	Lei Zi (Chinese)
Marduk Fluctus	Marduk (Sumerian)
Masubi Fluctus	Ho-Masubi (Japanese)
Sobo Fluctus	Sobo (Vodou)
Tsui Fluctus	Tsui (Khoikhoi)
Tung Yo Fluctus	Tung Yo (Chinese)
Uta Fluctus	Uta (Sumerian)

Mensae

Ionian mensae /ˈmɛnsiː/ (mesas, sg. mensa) are named after mythological figures associated with fire or with the nymph Io.

Mensa	Named after
Capaneus Mensa	Capaneus (The Divine Comedy)
Echo Mensa	Echo (Greek)
Epaphus Mensa	Epaphus (Greek)
Hermes Mensa	Hermes (Greek)
Iynx Mensa	Iynx (Greek)
Pan Mensa	Pan (Greek)
Prometheus Mensa	Prometheus (Greek)
Telegonus Mensae	Telegonus, husband of Io (Greek)
Tvashtar Mensae	Tvashtar (Hindu)

Montes

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

Paterae

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

Plana

Ionian plana /ˈpleɪnə/ (plateaus, sg. planum /ˈpleɪnəm/) are named after locations in Greek mythology associated with the nymph Io.

Planum	Named after
Argos Planum	Argos
Danube Planum	Danube River
Dodona Planum	Dodona
Ethiopia Planum	Ethiopia
Hybristes Planum	Hybristes
Iopolis Planum	Iopolis
Lyrcea Planum	Lyrcea
Nemea Planum	Nemea

Regiones

Ionian regiones /rɛdʒiˈoʊniːz/ (regions, sg. regio /ˈriːdʒioʊ/) are mostly named after locations in Greek mythology associated with the nymph Io.

Regio	Named after
Bactria Regio	Bactria
Bosphorus Regio	Bosphorus
Bulicame Regio	Bulicame (The Divine Comedy)
Chalybes Regio	Chalybes
Colchis Regio	Colchis
Illyrikon Regio	Illyria
Lerna Regio	Lerna
Media Regio	Media
Mycenae Regio	Mycenae
Tarsus Regio	Tarsus

Tholi

Ionian tholi /ˈθoʊlaɪ/ (hills, sg. tholus /ˈθoʊləs/) are named after mythological figures associated with fire or with the nymph Io.

Tholus	Named after	Coordinates
Apis Tholus	Apis (Greek)	[ ⚑ ] 10.9°S 347.88°W / -10.9; -347.88 (Apis Tholus)
Inachus Tholus	Inachus (Greek)	[ ⚑ ] 16.18°S 347.76°W / -16.18; -347.76 (Inachus Tholus)
Tsui Goab Tholus	Tsui (Khoikhoi)	[ ⚑ ] 0.1°S 163.0°W / -0.1; -163.0 (Tsui Goab Tholus)

External links

• USGS: Io nomenclature