0 1000 3000 -1000 -3000 -5000 -7000 -9000 5000 7000 9000 11000 13000 15000 17000 19000 21000 -8200 Minimum 21229 Maximum Elevations above 9000 meters found only on the larger volcanos. Elevation in meters 180° 0° 90° W 270° W 30° W 60° W 120° W 150° W 210° W 240° W 300° W 330° W 55° 55° 60° 60° 70° 70° 80° 80° 240° E 210° E 150° E 120° E 90° E 60° E 30° E 330° E 300° E 270° E 180° 0° 270° W 90° W 330° W 300° W 240° W 210° W 150° W 120° W 60° W 30° W –55° –55° –60° –60° –70° –70° –80° –80° 270° E 90° E 120° E 150° E 210° E 240° E 300° E 330° E 30° E 60° E 180° 0° 180° 180° 150° W 120° W 90° W 60° W 30° W 150° E 120° E 90° E 60° E 30° E 0° 330° W 300° W 270° W 240° W 210° W 150° E 120° E 90° E 60° E 30° E 330° W 300° W 270° W 240° W 210° W 180° 330° E 300° E 270° E 240° E 210° E 150° W 120° W 90° W 60° W 30° W 330° E 300° E 270° E 240° E 210° E 57° 50° 30° 0° –30° –50° –57° 57° 50° 30° 0° –30° –50° –57° MARS REGIONAL NAMES V A S T I T A S B O R E A L I S V A S T I T A S B O R E A L I S PLANUM BOREUM O L Y M P I A U N D A E AONIA TERRA NOACHIS TERRA ARGYRE PLANITIA PLANUM AUSTRALE TERRA SIRENUM TERRA CIMMERIA PROMETHEI TERRA MALEA PLANUM PLANUM CHRONIUM PLANUM ANGUSTUM SISYPHI PLANUM P R O M E T HE I P L A N U M A R G E N T E A P L A N UM AONIA PLANUM P A R V A P L A N U M ARCADIA PLANITIA V A S T I T A S B O R E A L I S ACIDALIA PLANITIA CHRYSE PLANITIA LUNAE PLANUM XANTHE TERRA AMAZONIS PLANITIA THARSIS MONTES DAEDALIA PLANUM SYRIA PLANUM SINAI PLANUM SOLIS PLANUM VALLES MARINERIS MARGARITIFER TERRA TERRA SABAEA TEMPE TERRA UTOPIA PLANITIA ARCADIA PLANITIA ISIDIS PLANITIA SYRTIS MAJOR PLANUM ARABIA TERRA OPHIR PLANUM AURORAE PLANUM TYRRHENA HESPERIA PLANUM TERRA CIMMERIA PROMETHEI TERRA HELLAS PLANITIA NOACHIS TERRA ARGYRE PLANITIA BOSPOROS PLANUM AONIA TERRA ICARIA PLANUM TERRA SIRENUM TERRA LUCUS PLANUM ELYSIUM PLANITIA THAUMASIA PLANUM OLYMPUS MONS . . LUCUS PLANUM . . . . MERIDIANI PLANUM