U.S. DEPARTMENT OF THE INTERIOR MISCELLANEOUS FIELD STUDIES U.S. GEOLOGICAL SURVEY MAP MF-2324, Version 1.1 154¡E 156¡E 158¡E 160¡E 162¡E 164¡E 166¡E 168¡E 170¡E 172¡E 174¡E 5 0 6 00 6 0 0 0 56 0 54 5400 4 0 0 5 00 4 0 0 0 5 0 58 00 54 00 0 5200 20 6 5 0 0 56 0 0 5 EXPLANATION 0 0 0 5 6 0 0 0 40 6 4 0 0 0 0 5 0 0 0 0 5 60 5 0 0 58 0 0 0 5 0 0 5 0 0 80 2 6 5000 0 6 5 0 4 4 2 0 0 3 0 0 5 0 5 0 0 0 40 00 8 5 0 0 4 0 0 8 58 8 0 4 4 4 0 5 0 0 00 5 5 8 0 0 8 00 0 0 00 5 0 0 4 0 0 4 6 4 000 0 56 4 6 5 0 2 0 Above sea level 0 0 0 0 5 54 2 0 0 8 0 00 6 0 0 0 5 5 0 0 5 0 0 4 0 6 0 0 3 6 0 0 5 4 4800 0 0 2 0 6 2 5 5 0 00 6 0 5 0 0 5 0 0 5 5 3 4 0 0 0 0 0 4 2 0 5 0 5 0 0 to -2000 m 0 0 0 0 8 0 0 5 5 4 40 4 200 0 0 0 6 5 460 00 5 00 5200 3 0 6 0 0 0 00 60 00 54 0 6 0 5 5400 0 0 0 5 0 5000 4600 5 4 -2000 to -4000 m 0 6 60 5 5 5 0 0 4 0 0 0 0 0 0 0 0 0 0 8 0 0 0 6 0 6 6 46 0 5 5000 5 540 0 0 0 0 5 0 0 0 8 60 5 0 6 -4000 to -5000 m 5600 5 0 8 5 0 5 5 0 6 4 5 5 0 5 5 200 4 0 6 --- 8 8 0 0 4 8 5 4400 5 0 60 0 0 0 0 0 5 0 0 0 0 0 0 5 5 0 Wod-En Ion 0 0 4 0 0 6 5 0 4 0 4 0 4 4 -5000 to -6000 m 6 0 0 0 5 0 5 0 5 0 2 0 0 0 5 0 5 5 0 ' 4 5 2 0 0 0 0 2 6 40 0 0 0 0 16¡N 8 0 5 5 0 16¡N 5 0 0 00 0 0 5 56 0 0 6 Greater than -6000 m 6000 5 0 4 0 0 4 0 0 6 0 0 00 0 0 5 0 0 00 00 8 0 2 0 5 4400 0 0 8 0 2 3 0 6000 5 4 4 0 5 00 5 0 5 4 4 0 5 540 5 6 0 4 00 0 4000 0 Atolls, in red text 0 5 0 0 3000 0 5 540 2 0 0 5 6 5 0 3 0 5000 0 0 4 2 00 56 0 0 0 0 0 3 00 000 2 0 Islands, in red text 0 5400 6 5 00 0 5 00 6 0 0 2 0 4 6 0 0 0 4 5 0 0 5000 50 0 0 0 00 5400 2 0 0 0 0 4 0 4 4000 0 5 5 0 0 5600 0 0 5 0 5600 Seamounts, in black text 0 0 0 0 0 6 0 5 500 0 5 0 5 6 5 0 6 0 6 0 0 6 5 5 0 6 0 6 4000 0 0 0 0 0 0 6 5000 5200 5 5 0 5 0 0 0 0 0 0 0 40 Nations, in white text 6 0 54 0 4 0 4 5 0 4 4 5 5000 5200 5 0 4 5 0 800 2 0 4 0 0 0 0 4 0 0 5 0 0 0 0 - - 0 0 4200 0 5 4 0 0 50 0 0 5 0 0 0 4 5 00 Depressions 0 Wod-En Rok 4 5 2 5 0 4 0 0 5 5 4 0 4 4 0 0 0 0 6 0 0 - 0 3 00 0 ' 5 0 0 2 Aean-Kan 0 00 0 0 0 00 56 0 0 0 5 4 6 0 0 Unofficial boundaries of the Exclusive Economic Zones. 58 00 0 0 4 5 5 0 0 5600 5 0 6 0 ' 0 0 00 0 5 0 4 6 6 6 5 5 0 00 Boundaries are equidistant lines between islands of different 5 0 0 42 8 0 5 0 5 0 0 0 4 0 0 4 nations within 200 nautical miles (370 km) of one another or 4 0 0 0 5800 0 0 0 0 0 6 0 4 0 4600 0 6 0 54 0 6 0 - 5 0 0 5 0 0 5 4 arcs constructed with a radius of 200 nautical miles (370 km) 0 0 0 4800 Lomtal 0 0 0 0 0 3 2 00 0 0 4 8 0 5 0 0 5 0 4 0 Bokak Atoll 5 6 0 Neen-Koiaak 0 4 0 0 5 8 from emergent parts of islands (Tau Rho Alpha, USGS, oral 62 0 0 6 0 0 0 0 0 0 4800 0 0 0 0 0 5 5 0 ' 5 1 0 0 0 5 0 0 0 6 6 6 0 0 3 2 0 0 6 6000 0 6 commun., 1998). 0 0 5 0 0 2 5 - - 0 0 5 5 58 20 5 4 6 0 2 3 0 00 6 0 0 0 0 4800 Woden-Kopakut 4 0 0 0 00 0 0 0 5 2 0 50 0 0 0 0 4000 0 0 00 4 5 0 0 0 0 0 5000 0 4 0 - 0 6 0 000 8 460000 0 5 0 2 0 4 4 4800 00 Lobbadede 00 4 52 00 156 W162W 168 W174W 00 5 0 4 0 2 0 5 3 Lewa 3 0 5 0 4400 0 0 0 5 0 ' 0 6 0 5 40 40 0 0 6 5 6 0 2 4 4400 0 0 5 0 2 5 ' 0 0 3000 4600 0 4 0 0 0 0 4 0 0 0 5 0 0 0 0 0 3 5 5 0 0 0 5 00 30 6 0 200 4 0 5 4 4 0 0 4 0 5 2000 0 0 0 0 5 6 0 5600 0 0 0 0 5 14¡N 14¡N 2 0 0 0 4 0 00 5 5 400 0 60 4 00 5 0 0 0 00 2000 2 4 0 0 0 8 0 6 0 0 5 0 0 5200 0 5 0 0 2 0 0 0 80 0 0 5 4 00 4 0 5 5 8 4 2 0 12 N 0 0 5 0 0 3000 00 0 0 4 6 0 6 0 5400 5 4 00 0 2 4 4 0 4 5 0 3 0 0 6 6 6 0 5 5 0 1 5 0 6 0 0 0 0 0 2000 0 0 0 8 6 60 0 0 0 4 4000 00 6 7 3 4000 Bwewa Kan 4 5 4 0 -- - - - 0 0 0 5 6 6200 0 2 0 N. Laanmojanjan 2 0 5 5 60 30 ' 0 50 60 6000 00 0 0 0 ' 4400 0 8 5 ' 5 6 4 0 0 0 6 5400 0 6 N 8 0 0 5 8 5 0 0 4 4 0 2 00 5 5800 0 0 5 0 4 00 6 6 0 0 -- 4 5 5 4 4 0 0 0 Lojabon-Bar 5 0 0 0 0 0 0 0 2 0 2 0 6 6000 6 0 5400 0 0 4800 62 00 0 ' 0 60 0 0 _ 2 5 0 0 0 5200 5 0 0 0 0 5000 6 0 0 4 0 0 00 0 5 0 0 -- --- 0 INDEX MAP 6000 6 0 3 2 5 0 0 0 0 5 0 5 0 0 5 40 4 0 0 4 0 4 Lokoto-Nornor 6000 0 620 80 0 5 5600 4 5 0 2 00 5 50 0 0 00 0 4 0 500 0 8 0 ' 00 6 58 4 0 0 00 0 0 0 0 0 56 0 0 The index map is labeled with the sources of data keyed to the following 0 0 0 4 0 0 540 5 0 2 2 0 5 8 5 0 0 6 00 3 00 2 0 5200 0 0 4 0 0 numbers: 0 0 4600 -- - - - 4 0 4 5 6 4 0 4 0 8 0 5000 4 0 S. Laanmojanjan 0 4 0 5 0 0 0 0 0 56 2 6 0 0 4 0 8 54 00 5 0 00 ' ' 1, 2, 3, 5, 6: USGS-KORDI 1989 survey F-10-89-CP (digitized 000 50 00 5 6 0 5 Peto-En 4 400 0 0 6 6000 0 0 4 Look 0 0 6 30 0 2 5 1998), Hein and others (1990) 0 0 6 00 0 0 0 5 5 6 0 0 000 ' 4 0 2 0 4 0 5 0 0 0 0 0 1, 4, 7: KORDI-USGS 1997 survey KODOS 97-4, Hein and 0 0 3 6 8 000 0 5 0 5 6 3 0 00 0 0 0 0 62 00 5 0 0 - 000 2 8 0 0 0 2 0 4 0 0 0 5 others (in press) 0 2 0 4 0 2 0 0 - Wodejebato 0 0 6 0 0 4 0 0 5000 0 2 6 4 0 0 5 0 Lo-Wuliej 0 40 Pikaar Atoll 0 0 0 0 2 1, 7: KORDI-USGS 1998 survey KODOS 98-3, Hein and others 0 3 0 0 0 0 5600 4 0 0 0 0 0 0 3 0 Lomilik 0 2 (Sylvania) 0 6 6 4 5000 60 00 5 5 0 '' 5 6 (in press) 0 4 00 5 0 44 42 0 ' 00 6 Lami 5 4000 12¡N 12¡N 000 0 400 8: Chase and others (1984) coastline 0 0 0 4000 5 2 0 6 0 8 6 0 5 0 0 2 0 ' 4 0 4 0 0 0 0 -- -- 0 0 0 0 0 0 40 0 0 0 0 5 0 3000 Ruwituntun 0 4 8 4 5 20 -- Remainder of coastline from GMT (Wessel and Smith, 1995) 6 8 4 00 0 5 5 0 0 0 4 100 Lawun-Pikaar 0 0 0 - 0 0 0 0 0 0 2 Remainder of bathymetric data from Smith and Sandwell (1997) 0 480 5 5 5 0 Lojemeja 4 4 6 5 4 6 0 400 0 0 2 ' 0 00 0 6 0 5 0 0 0 5 0 0 20 4 5 5 0 4 0 8 0 ' 0 -- 0 0 0 0 0 Aeloninae - 5 100 4 - 1 0 4 4 8 0 0 5 Rondik 2 00 Utrok Atoll 0 0 6 - 0 0 0 0 0 DISCUSSION 5 500 Atoll 0 0 0 2000 4 4 0 0 4 Anewetak 0 4 Atoll 0 0 3000 2 8 6 5800 0 5 Radik 00 4 1000 6 6 2 0 0 5 000 5 0 6 0 6 00 6 0 0 0 0 0 4600 2000 0 0 0 Lainjin 0 0 5 4 4 5 Atoll 400 0 5 00 0 This bathymetric map of the Republic of the Marshall Islands was 0 0 4 3 0 6 Pikinni Atoll 40 0 0 0 2 4 4 0 6 00 0 0 0 0 0 0 ' 0 0 0 constructed from (1) unpublished data collected during recent surveys 0 2 0 5 2 1 0 5 0 0 0 8 0 0 0 0 0 0 6 0 3000 0 - - 5 conducted by the U.S.