37°

class=notpageimage|

37th parallel south

The 37th parallel south is a circle of latitude that is 37 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, the Indian Ocean, Australasia, the Pacific Ocean and South America.

This parallel approximates that latitude at which solar irradiance equals the planetary average,^[1] with higher insolation equatorward and lower poleward.

An exploration of the 37th parallel south is the theme of Jules Verne's novel In Search of the Castaways. The phantom reef of Maria Theresa Reef is supposed to lie on this parallel in the Pacific Ocean.

Starting at the Prime Meridian and heading eastwards, the parallel 37° south passes through:

Coordinates	Country, territory or ocean	Notes
37°0′S 0°0′E / 37.000°S 0.000°E / -37.000; 0.000 (Prime Meridian)	Atlantic Ocean
37°0′S 20°0′E / 37.000°S 20.000°E / -37.000; 20.000 (Indian Ocean)	Indian Ocean	Passing just north of Île Amsterdam.
37°0′S 139°42′E / 37.000°S 139.700°E / -37.000; 139.700 (Australia)	Australia	South Australia Victoria New South Wales
37°0′S 149°56′E / 37.000°S 149.933°E / -37.000; 149.933 (Pacific Ocean)	Pacific Ocean	Tasman Sea
37°0′S 174°28′E / 37.000°S 174.467°E / -37.000; 174.467 (New Zealand)	New Zealand	North Island – passing through Auckland just north of Auckland Airport (at 37°0′29″S 174°47′30″E / 37.00806°S 174.79167°E / -37.00806; 174.79167 (Coronel))
37°0′S 175°16′E / 37.000°S 175.267°E / -37.000; 175.267 (Hauraki Gulf)	Pacific Ocean	Hauraki Gulf
37°0′S 175°30′E / 37.000°S 175.500°E / -37.000; 175.500 (New Zealand)	New Zealand	Coromandel Peninsula, North Island – passing through Tairua
37°0′S 175°51′E / 37.000°S 175.850°E / -37.000; 175.850 (Pacific Ocean)	Pacific Ocean
37°0′S 73°33′W / 37.000°S 73.550°W / -37.000; -73.550 (Chile)	Chile	Santa María Island
37°0′S 73°31′W / 37.000°S 73.517°W / -37.000; -73.517 (Pacific Ocean)	Pacific Ocean
37°0′S 73°11′W / 37.000°S 73.183°W / -37.000; -73.183 (Chile)	Chile	Bío Bío Region – passing through Coronel (at 37°0′S 73°10′W / 37.000°S 73.167°W / -37.000; -73.167 (Coronel))
37°0′S 71°9′W / 37.000°S 71.150°W / -37.000; -71.150 (Argentina)	Argentina	Neuquén Province Mendoza Province La Pampa Province Buenos Aires Province – passing through Pinamar (at 37°0′0″S 56°47′30″W / 37.00000°S 56.79167°W / -37.00000; -56.79167 (Pinamar))
37°0′S 56°45′W / 37.000°S 56.750°W / -37.000; -56.750 (Atlantic Ocean)	Atlantic Ocean	Passing just north of the island of Tristan da Cunha,  Saint Helena, Ascension and Tristan da Cunha

• 36th parallel south
• 38th parallel south