<Tr> <Th> Type </Th> <Td> Major </Td> </Tr> <Tr> <Th> Approximate area </Th> <Td> 43,600,000 km (16,800,000 sq mi) </Td> </Tr> <Tr> <Th> Movement </Th> <Td> west </Td> </Tr> <Tr> <Th> Speed </Th> <Td> 27--34 mm (1.1--1.3 in) / year </Td> </Tr>

Which coast of south america appears to have the most signs of plate tectonic movement