Indigenous researchers on Easter Island discovered an undisturbed Moai statue after climate change revealed terrain long buried under a lake.

Indigenous researchers on Easter Island discovered an undisturbed Moai statue after climate change revealed terrain long buried under a lake.


August 20, 2025 | Peter Kinney

Indigenous researchers on Easter Island discovered an undisturbed Moai statue after climate change revealed terrain long buried under a lake.


Moai Mystery Deepens

The drought hit Easter Island hard, but it gave archaeologists an incredible gift. Hidden beneath a volcanic lake was an ancient statue that even the island's oldest families never knew existed.

Easter island-Intro

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Island Origins

Easter Island emerged from underwater volcanic eruptions millions of years ago, becoming one of Earth's youngest inhabited territories. This triangular speck sits 2,182 miles from Chile's mainland in the vast Pacific. It is the most isolated inhabited place on our planet—a tiny dot of volcanic rock.

File:Rano Raraku quarry.jpgRivi, Wikimedia Commons

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Polynesian Settlement

Around 800–1200 CE, brave Polynesian navigators accomplished the impossible: finding this needle-in-a-haystack island using only stars, currents, and bird flight patterns. Led by Chief Hoto-Matua, the master seafarers sailed double-hulled canoes loaded with families, livestock, and sweet potato plants.

File:Priests traveling across kealakekua bay for first contact rituals.jpgUser:Makthorpe, Wikimedia Commons

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Social Structure

Ancient Rapa Nui society operated under a strict hierarchical system led by an ariki (divine king) who wielded absolute god-like power. Below him were noble chiefs, skilled craftsmen, and commoners who formed the majority population. This rigid class structure determined who could commission moai statues.

File:A Group of Easter Islanders Outside the Church Door, The Mystery of Easter Island, published 1919.jpgUnknown authorUnknown author, Wikimedia Commons

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Survival Resilience

These folks demonstrated extraordinary adaptability, surviving multiple catastrophes, including deforestation, civil wars, slave raids, and disease epidemics that reduced their population to just 111 people by 1877. Their population has recovered to around 8,000 today while maintaining their Polynesian identity and traditions.

File:Mario Grez Lorca, Alicia Lorca Zamorano, Cristian Maldonado Grez (abajo) y Mario Grez Cooke en Rapa Nui de Pichilemu, año 1974 aproximadamente (53449244969).jpgFundación Región de Colchagua from Colchagua, Chile, Wikimedia Commons

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Moai Creation

Between 1250–1650 CE, the Rapa Nui people carved nearly 1,000 moai statues to honor their deified ancestors. These massive monuments, weighing 10–82 tons each, were crafted using only stone tools called toki from compressed volcanic ash. Each statue represented a deceased chief.

File:AhuTongariki.jpgMakemake at German Wikipedia, Wikimedia Commons

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Moai Evolution

Early Period moai (700–850 CE) were smaller and resembled South American stonework, featuring rounded heads and different proportions. Middle Period statues (1050–1680 CE) developed the classic elongated faces, prominent noses, and distinctive ear shapes we recognize today. Lastly, late-period moai were enormous and refined.

File:Kneeled moai Easter Island.jpgBrocken Inaglory, Wikimedia Commons

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Quarry Operations

Rano Raraku volcanic crater turned into the island's primary statue factory, where skilled carvers worked like ancient sculptors in an outdoor workshop. Teams of 15+ craftsmen would spend months chiseling each moai from the soft tuff rock face, then carefully sliding the finished giants down into dug pits.

File:Rano-Raraku-Panorama-2013.jpgBjørn Christian Tørrissen, Wikimedia Commons

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European Contact

Dutch explorer Jacob Roggeveen stumbled upon the island on Easter Sunday, 1722, giving it its European name. By then, the golden age of moai-building had ended, and Roggeveen found a society already in transition. Captain James Cook's 1774 visit documented a dramatically reduced population.

File:Arent Roggeveen.pngFitmoos, Wikimedia Commons

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Climate Drought

In recent years, climate change triggered an unprecedented drought that slowly evaporated Rano Raraku's crater lake over two years. This same lake had held freshwater for centuries, but rising temperatures and changing weather patterns dried up this ancient water source.

File:Rano Raraku cráter.jpgPablo Rodríguez from Barcelona, Spain, Wikimedia Commons

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Lake Evaporation

As water levels dropped, researchers watched tall reeds that had grown in the lakebed for generations finally die back and reveal the ground beneath. The evaporation process happened gradually, giving scientists time to plan their investigation of areas that had been underwater and entirely inaccessible.

File:Pano Rano Kao.jpgRivi~commonswiki, Wikimedia Commons

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Indigenous Team

Members of Comunidad Indigena Ma'u Henua, the organization managing Rapa Nui National Park, made the stunning discovery while surveying the newly exposed lakebed. These indigenous guardians, descendants of the original statue builders, are believed to have deep cultural connections to the moai.

File:Parque Nacional Rapa Nui.jpgDavid Lytle from San Francisco, CA, USA, Wikimedia Commons

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Statue Emergence

The team found a 5-foot-6-inch moai lying face-up in the dried mud, completely intact and unlike anything they'd seen before. This wasn't just another statue—it was the first moai detected inside a lake crater rather than on land. The positioning suggested it had been deliberately placed there.

File:Chile-03033 - Rapa Nui National Park (49072343253).jpgDennis G. Jarvis, Wikimedia Commons

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Expert Arrival

Archaeologist Terry Hunt from the University of Arizona arrived just one day after the finding, perfectly timed for a planned Good Morning America documentary about climate change impacts on Easter Island. Hunt, who has studied Rapa Nui for over 20 years, immediately recognized its significance. 

Archaeologist Terry HuntTerry Hunt and Carl Lipo: The Statues That Walked | Nat Geo Live by National Geographic

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Size Comparison

The recently located moai is one of the smallest statues ever found on Easter Island. For perspective, the largest moai called Te Tokanga stretches 71 feet long and weighs an estimated 90–100 tons, while most statues average around 13 feet tall and weigh 12–14 tons each.

File:Partially carved moai abandoned in place.jpgDocrgd, Wikimedia Commons

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Face-Up Position

Unlike the hundreds of buried moai standing upright around Rano Raraku, this statue lies horizontal on its back. The unusual positioning caught researchers' attention because moai were traditionally erected vertically on ceremonial platforms called ahu, facing inland to watch over their communities with an imposing presence.

File:Rano Raraku, helicopter.jpgAlejandra Edwards, Wikimedia Commons

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Eye Sockets

The statue's eye sockets had already been carved out—a critical detail that highlights its completion status. Eye carving was historically the final step before a moai was considered finished and ready for ceremonial display. This suggests the item wasn't abandoned mid-construction.

File:Chile-03095 - More Heads... (49073129192).jpgDennis G. Jarvis, Wikimedia Commons

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Material Analysis

Scientists also confirmed that the moai was carved from the same compressed volcanic tuff (lapilli tuff) sourced from Rano Raraku quarry, not transported from elsewhere. This soft, easily-worked volcanic ash material comprises 95% of all Easter Island statues. The remaining 5% were made from harder materials like basalt.

File:Dacitic lapilli metatuff (dacitic meta-lapillistone) (Neoarchean, ~2.7-2.72 Ga; vicinity of Soudan Mine, Soudan, Minnesota, USA) 2 (22281008670).jpgJames St. John, Wikimedia Commons

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Radar Technology

Hunt is exploring ground-penetrating radar technology to scan the lakebed for additional buried moai without disturbing the archaeological site. This non-invasive imaging method can detect dense stone objects underground by sending electromagnetic pulses into the soil and analyzing the reflected signals that bounce back from solid structures.

File:P-19 radar system - Rocket Base Zsámbék.jpgGyörgy Gábor, Wikimedia Commons

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Walking Theory

The finding reignites debates about how ancient Rapa Nui people transported their massive statues across the island. Oral traditions describe moai "walking" to their destinations using supernatural mana power. However, modern experiments demonstrate that teams with ropes could rock statues forward in controlled walking motions.

MoaiTerry Hunt and Carl Lipo: The Statues That Walked | Nat Geo Live by National Geographic

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Cultural Meaning

Salvador Atan Hito, vice president of Ma'u Henua, emphasized the profound spiritual significance for Rapa Nui people, stating that even their grandparents and ancestors did not know this hidden statue. The piece connects modern islanders to unknown aspects of their cultural heritage.

File:Mau Hatu.jpgPokihenua, Wikimedia Commons

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Climate Change Documentation

It also becomes a powerful symbol of climate change's archaeological impacts, showing how environmental shifts can both reveal and threaten cultural heritage. The dried lake represents broader Pacific island vulnerabilities to rising seas, changing rainfall patterns, and extreme weather events.

File:Easter Island 3.jpgkallerna, Wikimedia Commons

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UNESCO Designation

The sensational discovery reinforces Easter Island's UNESCO World Heritage status, potentially leading to enhanced international protection funding and stricter visitor regulations. UNESCO recognizes the island's "outstanding universal value" to humanity, making preservation a global responsibility rather than just Chile's burden.

File:Paris - UNESCO (27137050510).jpgFred Romero from Paris, France, Wikimedia Commons

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Cultural Revival

Modern Rapa Nui descendants actively reclaim their heritage through traditional arts, language preservation, and political autonomy movements. They've revived ancient practices like wood carving and the annual Tapati festival. Despite centuries of colonial suppression, today's islanders successfully balance respect for ancestral traditions with participation in contemporary Chilean society.

File:Tapati Festival (16685155842).jpgMike W. from Vancouver, Canada, Wikimedia Commons

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Restoration Efforts

Modern restoration began with Thor Heyerdahl's 1955 expedition, which re-erected the first moai in centuries using traditional techniques described by elderly islanders. Japanese teams restored the spectacular 15-statue Ahu Tongariki platform in the 1990s after tsunami damage. Today, about 50 moai stand upright.

File:Thor Heyerdahl - L0061 934Fo30141701190050.jpgBjørn Fjørtoft, Wikimedia Commons

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