Post-supereruption recovery at Toba Caldera
Large calderas, or supervolcanoes, are sites of the most catastrophic and hazardous events on Earth, yet the temporal details of post-supereruption activity, or resurgence, remain largely unknown, limiting our ability to understand how supervolcanoes work and address their hazards. Toba Caldera, In...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
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Macmillan Publishers Limited
2017
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| Online Access: | http://purl.org/au-research/grants/arc/DP160102427 http://hdl.handle.net/20.500.11937/54314 |
| _version_ | 1848759341177372672 |
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| author | Mucek, A. Danišík, Martin De Silva, S. Schmitt, A. Pratomo, I. Coble, M. |
| author_facet | Mucek, A. Danišík, Martin De Silva, S. Schmitt, A. Pratomo, I. Coble, M. |
| author_sort | Mucek, A. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Large calderas, or supervolcanoes, are sites of the most catastrophic and hazardous events on Earth, yet the temporal details of post-supereruption activity, or resurgence, remain largely unknown, limiting our ability to understand how supervolcanoes work and address their hazards. Toba Caldera, Indonesia, caused the greatest volcanic catastrophe of the last 100 kyr, climactically erupting ~74 ka. Since the supereruption, Toba has been in a state of resurgence but its magmatic and uplift history has remained unclear. Here we reveal that new 14 C, zircon U-Th crystallization and (U-Th)/He ages show resurgence commenced at 69.7±4.5 ka and continued until at least ~2.7 ka, progressing westward across the caldera, as reflected by post-caldera effusive lava eruptions and uplifted lake sediment. The major stratovolcano north of Toba, Sinabung, shows strong geochemical kinship with Toba, and zircons from recent eruption products suggest Toba's climactic magma reservoir extends beneath Sinabung and is being tapped during eruptions. |
| first_indexed | 2025-11-14T09:58:20Z |
| format | Journal Article |
| id | curtin-20.500.11937-54314 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:58:20Z |
| publishDate | 2017 |
| publisher | Macmillan Publishers Limited |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-543142022-11-23T05:51:00Z Post-supereruption recovery at Toba Caldera Mucek, A. Danišík, Martin De Silva, S. Schmitt, A. Pratomo, I. Coble, M. Large calderas, or supervolcanoes, are sites of the most catastrophic and hazardous events on Earth, yet the temporal details of post-supereruption activity, or resurgence, remain largely unknown, limiting our ability to understand how supervolcanoes work and address their hazards. Toba Caldera, Indonesia, caused the greatest volcanic catastrophe of the last 100 kyr, climactically erupting ~74 ka. Since the supereruption, Toba has been in a state of resurgence but its magmatic and uplift history has remained unclear. Here we reveal that new 14 C, zircon U-Th crystallization and (U-Th)/He ages show resurgence commenced at 69.7±4.5 ka and continued until at least ~2.7 ka, progressing westward across the caldera, as reflected by post-caldera effusive lava eruptions and uplifted lake sediment. The major stratovolcano north of Toba, Sinabung, shows strong geochemical kinship with Toba, and zircons from recent eruption products suggest Toba's climactic magma reservoir extends beneath Sinabung and is being tapped during eruptions. 2017 Journal Article http://hdl.handle.net/20.500.11937/54314 10.1038/ncomms15248 http://purl.org/au-research/grants/arc/DP160102427 http://creativecommons.org/licenses/by/4.0/ Macmillan Publishers Limited fulltext |
| spellingShingle | Mucek, A. Danišík, Martin De Silva, S. Schmitt, A. Pratomo, I. Coble, M. Post-supereruption recovery at Toba Caldera |
| title | Post-supereruption recovery at Toba Caldera |
| title_full | Post-supereruption recovery at Toba Caldera |
| title_fullStr | Post-supereruption recovery at Toba Caldera |
| title_full_unstemmed | Post-supereruption recovery at Toba Caldera |
| title_short | Post-supereruption recovery at Toba Caldera |
| title_sort | post-supereruption recovery at toba caldera |
| url | http://purl.org/au-research/grants/arc/DP160102427 http://hdl.handle.net/20.500.11937/54314 |