List of geological features on Europa

This is a list of named geological features on Europa, a moon of the planet Jupiter. Craters and lineae are listed on separate pages: list of craters on Europa and list of lineae on Europa.

A new version geological map of Europa (March 8, 2024).

Cavi

Cavi are irregular steep-sided depressions that do not seem to be impact craters.

Cavus	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Moyle Cavus	/ˈmɔɪl/	25°S 168°W	145	2019	Moyle, a cold sea where the children of Lir (Llyr) spent three hundred years as swans	WGPSN

Chaos

Enhanced color partial view of Conamara Chaos

On Europa, regions of chaotic terrain are named after places in Celtic mythology.

Chaos	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Arran Chaos	/ˈærən/	13.4°N 168°W / 13.4; -168	26	2007	Isle of Arran, Scotland	WGPSN
Conamara Chaos	/kɒnəˈmɛərə/	9.7°N 272.7°W / 9.7; -272.7	143.7	1997	Connemara, Ireland	WGPSN
Murias Chaos		22.4°N 83.8°W / 22.4; -83.8	116	2003	Murias	WGPSN
Narberth Chaos		26°S 273°W	20	2007	Narberth, Wales	WGPSN
Rathmore Chaos		25.4°N 75°W / 25.4; -75	57	2007	Rathmore, Ireland	WGPSN

Flexūs

A flexus is a low, curved ridge with a scalloped pattern. Europan flexūs are named after the places visited by Europa during her journey with Zeus who was in the form of a bull.

Flexus	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Cilicia Flexus	/sɪˈlɪʃiə/	59.5°S 171.7°W / -59.5; -171.7	1312	1979	Cilicia	WGPSN
Delphi Flexus	/ˈdɛlfaɪ/	68.2°S 174.1°W / -68.2; -174.1	793	1985	Delphi	WGPSN
Gortyna Flexus	/ɡɔːrˈtaɪnə/	42.1°S 144.6°W / -42.1; -144.6	940	1979	Gortȳna	WGPSN
Phocis Flexus	/ˈfoʊsɪs/	44.5°S 198.4°W / -44.5; -198.4	242	1985	Phocis	WGPSN
Sidon Flexus	/ˈsaɪdən/	66.4°S 183.4°W / -66.4; -183.4	1133	1979	Sidon	WGPSN

Fossae

Fossae are named after ancient Celtic ancient stone rows.

Fossa	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Beenalaght Fossa		1.2°N 82.08°W / 1.2; -82.08	882	28 May 2019	Beenalaght stone row, County Cork, Ireland	WGPSN
Eightercua Fossa		6.68°N 340.71°W / 6.68; -340.71	407	28 May 2019	Eightercua stone row, County Kerry, Ireland	WGPSN
Kerlescan Fossae		3.34°N 238.24°W / 3.34; -238.24	410	28 May 2019	Kerlescan stone row, Carnac, Brittany	WGPSN
Kermario Fossae		44.69°N 354.36°W / 44.69; -354.36	191	28 May 2019	Kermario stone row, Carnac, Brittany	WGPSN
Maughanasilly Fossa		34.24°S 155.19°W / -34.24; -155.19	920	28 May 2019	Maughanasilly stone row, County Cork, Ireland	WGPSN
Ménec Fossae		51.98°S 177.87°W / -51.98; -177.87	33	28 May 2019	Ménec stone row, Carnac, Brittany	WGPSN

Large ringed features

Tyre multi-ring impact structure

These impact structures are named after important locations in ancient history.

Large Ringed Features	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Callanish		16.7°S 334.5°W / -16.7; -334.5	107	1997	Callanish, Scotland	WGPSN
Tyre (formerly listed as a macula)	/ˈtaɪər/	33.6°N 146.6°W / 33.6; -146.6	149	1997	Tyre, Lebanon	WGPSN

Maculae

Europan maculae (dark spots) are named after locations in Greek mythology, especially in the legend of Cadmus and his search for his sister, Europa.

Macula	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Boeotia Macula	/biːˈoʊʃiə/	53.6°S 166.8°W / -53.6; -166.8	30	1997	Boeotia	WGPSN
Castalia Macula	/kəˈsteɪliə/	1.6°S 225.7°W / -1.6; -225.7	35	2003	Castalia	WGPSN
Cyclades Macula	/ˈsɪklədiːz/	62.5°S 191.3°W / -62.5; -191.3	107	1997	Cyclades	WGPSN
Thera Macula	/ˈθɪərə/	46.7°S 181.2°W / -46.7; -181.2	95	1979	Thera	WGPSN
Thrace Macula	/ˈθreɪs/	45.9°S 172.1°W / -45.9; -172.1	180.2	1979	Thrace	WGPSN

Mensae

Main article: Mensa (geology)

Mensa	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Belenos Mensa	42.75°N 75.08°W / 42.75; -75.08	34	2019	Belenos, Italian Celtic sun god	WGPSN
Borvo Mensa	0.45°S 225.31°W / -0.45; -225.31	49.72	2019	Borvo, Gallic god of healing	WGPSN
Grannus Mensa	2.51°S 225.8°W / -2.51; -225.8	42	2019	Grannus, Romano-Celtic god of healing	WGPSN

Quadrangles

A Mercator projection of the arrangement of the quadrangles on Europa, except at the poles

The surface of Europa has been divided into 15 quadrangles or sections.

Name	Number	Latitude	Longitude	Ref
Ogma	Je1	65-90° N	0-360° W
Murias Chaos	Je2	21-66° N	0-90° W
Tyre	Je3	21-66° N	90-180° W
Rhadamanthys Linea	Je4	21-66° N	180-270° W
Annwn Regio	Je5	21-66° N	270-360° W
Euphemus Linea	Je6	22° N-22° S	0-72° W
Brigid	Je7	22° N-22° S	72-144° W
Cilix	Je8	22° N-22° S	144-216° W
Castalia Macula	Je9	22° N-22° S	216-288° W
Callanish	Je10	22° N-22° S	288-360° W
Butterdon Linea	Je11	21-66° S	0-90° W
Taliesin	Je12	21-66° S	90-180° W
Agenor Linea	Je13	21-66° S	180-270° W
Pwyll	Je14	21-66° S	270-360° W
Sidon Flexus	Je15	65-90° S	0-360° W

Regiones

Europan regiones (regions) are named after locations in Celtic mythology.

Regio	Pronounced	Coordinates	Diameter (km)	Approval Date	Named After	Refs
Annwn Regio	/ˈænuːn/	20°N 320°W	2300	11 May 2007	Annwn, Welsh otherworld	WGPSN
Argadnel Regio		14.6°S 208.5°W / -14.6; -208.5	1900	2003	Argadnel, Celtic paradise	WGPSN
Balgatan Regio		50°S 30°W	2500	11 May 2007	Balgatan Pass from Celtic mythology	WGPSN
Dyfed Regio	/ˈdʌvɪd/	10°N 250°W	1750	11 May 2007	Kingdom of Dyfed	WGPSN
Falga Regio		30°N 210°W	2500	11 May 2007	Inis Fer Falga, Irish legendary island	WGPSN
Moytura Regio		50°S 294.3°W / -50; -294.3	483	1997	Magh Tuiredh, Irish battle site	WGPSN
Powys Regio	/ˈpoʊɪs/	0°N 145°W	2000	11 May 2007	Kingdom of Powys	WGPSN
Tara Regio	/ˈtærə/	10°S 75°W	1780	11 May 2007	Hill of Tara, Ireland	WGPSN

External links

• USGS, IAU: Europa nomenclature