How the moai of Easter Island were built and moved: the quarry at Rano Raraku, the walking statues, the hats, the eyes, and why they were toppled

Architecture · 4 September 2026

The moai are about 900 statues carved by the Polynesian people of Rapa Nui, Easter Island, between about AD 1250 and 1500, almost all of them in the volcanic tuff of one quarry, Rano Raraku, where nearly 400 remain unfinished or standing to their shoulders in the slope; the finished ones, up to 10 m (33 ft) high and 80 tons, were moved as far as 18 km across the island to stand on stone platforms, ahu, along the coast with their backs to the sea, given hats of red scoria from a second quarry and eyes of white coral, and represent deified ancestors watching over the villages. They were moved without wheels, draft animals or metal, and the best evidence, from the statues' shape, the roads and a 2012 experiment, is that they were "walked": rocked from side to side with ropes by teams of a few dozen people, as the islanders' own tradition says. Every moai on a platform was toppled between about 1600 and 1868, by the islanders themselves, and every standing statue today was re-erected in the 20th century. Below: who and when, the quarry and the carving, the platforms and the buried bodies, the hats and eyes, how they were moved, why they fell, the collapse debate, the numbers and visiting, with the island's neighbours in the oldest temples in the world.

Who and when

Rapa Nui, 163 square kilometres of volcanic island 3,500 km from Chile and 2,000 from the nearest inhabited island, was settled by Polynesians in double canoes about AD 1200, by the latest radiocarbon dates, a century or two before the first statues; the settlers brought chickens, rats, sweet potatoes, bananas and the Polynesian custom of carving ancestor figures and raising them on stone platforms, marae, which on Rapa Nui became the ahu. The statues were carved for the clans by a class of master carvers, and the tradition says each was an ancestor, an ariki or chief, whose mana, spiritual power, protected the clan's land from the platform, facing inland toward the village and not out to sea; the seven at Ahu Akivi that face the sea are the exception, and the tradition calls them the first explorers. The carving ran for perhaps 250 years and stopped around 1500 to 1600, when the trees that had made the ropes and the levers were gone and the clans turned to war and to the birdman cult at Orongo; the Dutch admiral Roggeveen saw the statues standing on Easter Sunday 1722, the Spanish in 1770, Cook in 1774 found many fallen, and by 1868 none stood. Moai.

The quarry and the carving

Rano Raraku is a crater of consolidated volcanic ash, tuff, soft enough to carve with hand-held picks of hard basalt, toki, thousands of which lie in the quarry, and 95 per cent of the moai were made there; the carvers cut a statue lying on its back in the rock face, working from the face down, leaving a keel of rock along the spine to hold it until the front and sides were finished, then cut the keel, slid the statue down the slope on a ramp into a pit at the foot of the hill, stood it upright, and finished the back, the hands folded over the belly and the designs on the back that show a loincloth and tattoos. About 397 statues are still in the quarry in every stage, including the largest ever attempted, "El Gigante", 21.6 m long and an estimated 180 to 270 tons, unfinished in the rock; the 90 or so standing on the outer slope, buried to the shoulders by the silt of five centuries, are the "heads" of the photographs, and excavations since 2010 have exposed their bodies and the petroglyphs on their backs. A team of five or six could rough out a 5 m statue in about a year; the last statues are the largest and the most refined, as if the carvers were competing, and the average is about 4 m and 12.5 tons.

The platforms, the hats and the eyes

• Ahu. About 300 platforms ring the coast, of which about 125 carried statues; the largest, Ahu Tongariki, held 15 and is 220 m long, and Ahu Vinapu has a wall of fitted basalt blocks so precise that Heyerdahl thought it Inca work, which it is not. A platform is a rubble core faced with stone, with a ramp of rounded beach stones in front and, often, cremation pits behind; statues were raised on it by levering the base up on a growing pile of stones, the method Heyerdahl tested in 1956 with twelve men in eighteen days.
• Pukao. The red "hats" or topknots, of scoria from a second quarry at Puna Pau near the west coast, cylinders up to 2 m across and 12 tons, carved for about 100 statues; they were rolled to the platforms, and a 2018 study found they were raised up a ramp against the statue's front by rolling them on ropes in a parbuckling motion and tipped onto the head. They probably represent the hair knot of a chief, or a headdress.
• Eyes. The eye sockets were cut only when the statue stood on its platform, and eyes of white coral with pupils of red scoria or black obsidian were set in; one, found at Anakena in 1978, is in the island's museum. A statue with eyes was "living", its mana active; the eyes were removed or smashed when it was thrown down.
• Other stone. About 50 statues were carved in basalt, trachyte or scoria elsewhere, including Hoa Hakananai'a, the basalt moai taken to London in 1868 and in the British Museum, whose return the island asks for.

How they were moved

The tradition says the statues walked, with the help of a chief's mana, and for a century that was taken as legend while archaeologists proposed sledges on rollers, sledges on greased tracks, and log frames rocked along; Heyerdahl in 1986 and the Czech engineer Pavel Pavel showed that a statue could be rocked upright with ropes, and in 2012 Terry Hunt and Carl Lipo with a team of 18 people and three ropes walked a 3-metre, 5-ton replica 100 m in under an hour, rocking it from side to side while a rope behind kept it from pitching forward, the D-shaped base and forward lean of the "road" statues, which differ from the platform statues, being made for this. The evidence is the statues themselves: those abandoned along the roads stand upright, fallen forward on downhill stretches and backward on uphill ones, as walking statues would, and their bases have a bevel that the finished platform statues lack, having been recut when they arrived; the roads, about 25 km of them radiating from the quarry, are concave and curbed, as a walked statue needs. A 10 m, 80-ton statue would have needed a few hundred people and weeks; the sledge theories needed thousands of trees, and the argument that the moai destroyed the island's forest rests on them.

Why they fell

Every platform statue was toppled between the last carving, about 1600, and 1868, most face down, some with a stone placed where the neck would break; the traditions speak of wars between the clans, the Hanau Eepe and Hanau Momoko, and of statues thrown down to destroy an enemy's mana, and the toppling ran through the 18th century, Roggeveen seeing them standing in 1722 and Cook finding many down in 1774. The island had by then lost its palm forest, to clearing, to the rats the settlers brought that ate the palm nuts, and to the drought of the Little Ice Age; the population, perhaps 3,000 to 4,000 at the peak, was about 3,000 in 1722, and the society had turned from the ancestors to the birdman cult at Orongo, where the clans competed each year for an egg. The end came from outside: Peruvian slavers took 1,500 people in 1862–63, half the population, smallpox came back with the survivors, and by 1877 there were 111 Rapa Nui left; Chile annexed the island in 1888 and leased it to a sheep company until 1953. The statues were re-erected from 1956, by Heyerdahl at Anakena, by William Mulloy at Ahu Akivi in 1960 and Tahai in 1974, and by a Japanese crane company at Tongariki in 1992–95 after the 1960 tsunami had scattered its fifteen statues.

The collapse debate

Jared Diamond's "Collapse" of 2005 made Rapa Nui the parable of ecocide: a people who cut down every tree to move statues, fought over the remains, ate one another and destroyed themselves before the Europeans came. Hunt and Lipo and others have argued since that the record shows something else: the forest was destroyed mostly by the rats, which had no predators and ate the seeds, the population never reached the 15,000 that the parable needs and was stable and fed by rock-mulch gardens and the sea, cannibalism is legend, the statues were walked by small teams without timber, and the catastrophe was slavery and disease from outside in the 1860s; the toppling of the statues was a change of religion, not a war of extinction. The mainstream now lies between: the forest went, the palm was gone by 1650, the clans fought, and the society survived on a ruined island until Europeans destroyed it. The moai are the argument's exhibit, and the 2012 walking experiment is its centre.

The numbers and visiting

• Statues. 887 catalogued, 397 in the quarry, 92 on the roads, 288 on platforms; about 50 standing today on re-erected platforms.
• Size. Average 4 m and 12.5 tons; the largest erected, Paro at Ahu Te Pito Kura, 9.8 m and 82 tons, fallen; the largest carved, El Gigante, 21.6 m in the quarry.
• Dates. Settlement about 1200; carving about 1250–1500 or 1600; toppling 1600–1868; re-erection 1956–95.
• Materials. Rano Raraku tuff; Puna Pau red scoria for the hats; coral and obsidian eyes; basalt picks.
• Platforms. About 300, with about 125 carrying statues; Ahu Tongariki 15 statues.
• Visiting. Rapa Nui is a five-hour flight from Santiago; the national park, run by the Ma'u Henua community since 2016, needs a ticket of about 80 dollars for ten days and a guide at Rano Raraku and Orongo; the quarry, Tongariki at sunrise, Anakena beach with its seven statues, Ahu Akivi and Tahai at sunset are the circuit, and the museum holds the eye and the stone tablets of rongorongo, the island's undeciphered script. Touching the statues and walking on the platforms is forbidden; a fire in October 2022 scorched about 80 statues in the quarry.

Versions and theories

• They are heads. All have bodies, to the hips or knees; the quarry statues are buried to the shoulders in silt and were photographed as heads, which is where the idea comes from.
• They face the sea. They face inland, over the villages they guarded; only Ahu Akivi's seven face the ocean.
• Aliens or Incas. Heyerdahl believed the island was settled from Peru, and sailed the Kon-Tiki to show it possible; DNA, language, crops and the statues' Polynesian ancestry have settled it, with a small admixture of Native American DNA around 1300 showing contact, not settlement. The aliens are television.
• The statues walked. The tradition, and the best current explanation: rocked upright with ropes by teams of 20 to 50, as the roads, the fallen road statues and the 2012 experiment show.
• The islanders destroyed themselves. The forest went, partly by rats; the society changed and fought; the population fell to 111 because of Peruvian slavers and smallpox. The parable is half true.
• Hoa Hakananai'a should go home. The island asked the British Museum for it in 2018; the museum has offered a loan. The dispute continues, and the statue, the finest basalt moai with birdman carvings on its back, is in London.

The world's other stone giants, and how they were moved, are in Stonehenge theories and the stones of Baalbek.

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