The Khonkho tephra: A large-magnitude volcanic eruption coincided with the rise of Tiwanaku in the Andes
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Abstract
We report a tephra deposit in the southern Lake Titicaca Basin, Bolivia, which was deposited by a major, previously unrecognized eruption sometime between AD 400 and 720. Archaeological data suggest these centuries were characterized by a substantial community migration to Tiwanaku, where social interaction networks gave birth to one of the Andes’ first large complex societies. Here we provide an initial characterization of this tephra, based on samples from the archaeological site Khonkho Wankane. The same tephra is present at two other archaeological sites in the region. Given the great distance to the nearest active volcano, this tephra layer likely derives from a large-magnitude, Late-Holocene explosive eruption of a Central Andean volcano. We suggest that this major event be included in the human history of the region, given its inferred magnitude and wide dispersal area. Future research could confirm the Khonkho tephra at other sites, identify the source volcano, estimate its volume, and more precisely date the eruption.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Khonkho tephra: A large-magnitude volcanic eruption coincided with the rise of Tiwanaku in the Andes |
| Series title | The Holocene |
| DOI | 10.1177/0959683624127500 |
| Edition | Onlinie First |
| Year Published | 2024 |
| Language | English |
| Publisher | Sage Journals |
| Contributing office(s) | Volcano Science Center |
| Google Analytic Metrics | Metrics page |