IAU Gazetteer of Planetary Nomenclature
Every named place on Io
260 features carry an officially approved name on Io, across 9 IAU feature classes, listed largest first. Each one has its own page with the surface it sits on, its size, its coordinates and the story behind its name.
Showing 1–260 of 260
Colchis Regio2,860 kmMedia Regio2,628 kmBosphorus Regio1,607 kmTarsus Regio1,499 kmIllyrikon Regio1,001 kmNemea Planum889 kmChalybes Regio760 kmBactria Regio663 kmMycenae Regio594 kmLerna Regio581 kmDorian Montes566 kmCocytus Montes542 kmBoosaule Montes540 kmDodona Planum515 kmBulicame Regio514 kmMasubi509 kmHi iaka Montes500 kmMasubi Fluctus500 kmTung Yo Fluctus458 kmPrometheus439 kmDonar Fluctus436 kmZal Montes436 kmTohil Mons433 kmVolund427 kmLyrcea Planum425 kmNile Montes417 kmAcala Fluctus415 kmAmirani415 kmFjorgynn Fluctus414 kmMarduk370 kmUta Fluctus367 kmLei Kung Fluctus348 kmHaemus Montes331 kmTelegonus Mensae330 kmEthiopia Planum328 kmTvashtar Paterae305 kmMonan Mons294 kmTvashtar Mensae293 kmCapaneus Mensa288 kmPan Mensa288 kmEuxine Mons282 kmEuboea Montes275 kmKanehekili Fluctus259 kmSkythia Mons250 kmDanube Planum248 kmMixcoatl Fluctus246 kmThor240 kmIopolis Planum235 kmLoki Patera227 kmMazda Paterae223 kmEgypt Mons219 kmGish Bar Mons219 kmMongibello Mons215 kmShamshu Mons210 kmEcho Mensa205 kmPillan Mons201 kmMarduk Fluctus200 kmApis Tholus199 kmZamama198 kmHybristes Planum196 kmIonian Mons193 kmQuzah Fluctus189 kmHuo Shen Patera183 kmInachus Tholus179 kmPrometheus Mensa179 kmLei zi Fluctus177 kmArgos Planum171 kmCreidne Patera169 kmZal Patera168 kmRata Mons168 kmOt Mons167 kmTawhaki Vallis166 kmHorus Patera165 kmMafuike Patera154 kmDis Mons150 kmCaucasus Mons147 kmReshet Patera146 kmItzamna Patera143 kmHi iaka Patera142 kmCrimea Mons139 kmMonan Patera138 kmHermes Mensa133 kmKane Patera132 kmNusku Patera128 kmSeth Mons128 kmTohil Patera127 kmEpaphus Mensa126 kmSvarog Patera124 kmAntenora Mons122 kmGalai Patera122 kmArinna Fluctus122 kmOlafat Patera119 kmDazhbog Patera119 kmAsha Patera118 kmMalik Patera118 kmCataquil Patera118 kmGish Bar Patera117 kmIynx Mensa117 kmSilpium Mons115 kmUpulevo Fluctus113 kmEuboea Fluctus113 kmShamash Patera113 kmTiermes Patera113 kmManua Patera112 kmTsui Goab Fluctus111 kmBabbar Patera110 kmShakuru Patera110 kmMaui110 kmGibil Patera108 kmShamshu Patera107 kmYeloje Patera107 kmSavitr Patera105 kmFo Patera104 kmAbabinili Patera104 kmTabiti Patera103 kmRarog Patera103 kmMentu Patera102 kmVivasvant Patera98.7 kmAsis Patera98 kmMichabo Patera96.7 kmKhalla Patera95.8 kmTaranis Patera95.8 kmEstan Patera95.6 kmChaac Patera95.5 kmAmaterasu Patera95.3 kmVahagn Patera95.2 kmPillan Fluctus95 kmWayland Patera94.5 kmKanlaon Patera94 kmHiruko Patera92.8 kmGuaraci Fluctus92 kmShango Patera90.8 kmBila Patera90 kmGrian Patera87.8 kmTol Ava Patera87.2 kmOdqan Patera86 kmHatchawa Patera85.3 kmGoibniu Patera85 kmAh Peku Patera84.9 kmNinurta Patera82.9 kmKurdalagon Patera81.1 kmAtar Patera80 kmTupan Patera78.6 kmHeiseb Patera78.5 kmTiwaz Patera78 kmReiden Patera77.7 kmEmakong Patera77.4 kmInti Patera76.3 kmDaedalus Patera74.7 kmSethlaus Patera74.5 kmCuchi Patera74.1 kmLlew Patera73.3 kmHeno Patera71.7 kmKanassa Patera71 kmPodja Patera69.6 kmArusha Patera69.5 kmAramazd Patera69.3 kmPillan Patera68.9 kmChors Patera68.9 kmGirru Patera67.3 kmPajonn Patera67 kmKotar Patera67 kmLu Huo Patera66.6 kmFuchi Patera66.4 kmSengen Patera66 kmCatha Patera65.7 kmDusura Patera65.6 kmMulungu Patera64.8 kmKibero Patera63.1 kmKava Patera63 kmVerbti Patera62 kmMasaya Patera61.9 kmViracocha Patera60.6 kmAltjirra Patera60.3 kmKagutsuchi Patera60 kmReshef Patera59.2 kmIsum Patera59.1 kmMihr Patera58.7 kmLaki oi Patera58.4 kmPaive Patera57.4 kmPyerun Patera56.9 kmNyambe Patera56.6 kmCamaxtli Patera56 kmSurya Patera55.8 kmSusanoo Patera55.2 kmThomagata Patera55.2 kmSed Patera55.1 kmAntu Patera55 kmBochica Patera54.1 kmJanus Patera53.2 kmKisosen Patera53 kmSigurd Patera52.9 kmSiun Patera52.5 kmHaokah Patera52 kmEkhi Patera51.7 kmRuwa Patera51.4 kmGurzil Patera51 kmGabija Patera50.6 kmOt Patera50.1 kmUlgen Patera49.8 kmMbali Patera49.8 kmTung Yo Patera49.6 kmAten Patera48.8 kmTsui Goab Tholus48.5 kmDingir Patera48.3 kmTawhaki Patera47.4 kmRata Patera47.3 kmShurdi Patera46 kmSobo Fluctus44.8 kmKinich Ahau Patera44.3 kmMaasaw Patera44.1 kmGrannos Patera43.6 kmNina Patera43.5 kmRa Patera41.2 kmHephaestus Patera40.6 kmIlmarinen Patera39.8 kmAmatsumara Patera39 kmMaui Patera38.1 kmMandulis Patera37 kmBalder Patera37 kmYaw Patera36.5 kmKami Nari Patera36.2 kmUkko Patera36 kmKarei Patera35.4 kmUsil Patera35 kmUta Patera33.8 kmMithra Patera32.2 kmAnyanwu Patera32 kmKuat Patera31 kmWalu Patera31 kmCarancho Patera30.6 kmWabasso Patera30.6 kmAidne Patera29.8 kmCulann Patera28.8 kmPrometheus Patera28.3 kmTalos Paterae28 kmSui Jen Patera28 kmSteropes Patera27.7 kmGauwa Patera27 kmTien Mu Patera26.7 kmRadegast Patera25.8 kmWanajo Patera24 kmShoshu Patera23.2 kmBelenus Patera22.1 kmAgni Patera19.7 kmMenahka Patera19.2 kmSeth Patera18.5 kmAngpetu Patera18.5 kmPurgine Patera18.5 kmRuaumoko Patera18.3 kmNamarrkun Patera17 kmMama Patera13.8 kmPautiwa Patera7.5 kmTaw Patera7 kmKanehekiliEruptive centerXiheEruptive centerTonatiuhEruptive centerPeleEruptive centerSurtEruptive centerLokiEruptive center