A 15 year slow-slip event on the Sunda megathrust offshore Sumatra
In the Banyak Islands of Sumatra, coral microatoll records reveal a 15 year-long reversal of interseismic vertical displacement from subsidence to uplift between 1966 and 1981. To explain these coral observations, we test four hypotheses, including regional sea level changes and various tectonic mec...
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sg-ntu-dr.10356-1032562021-01-18T04:31:57Z A 15 year slow-slip event on the Sunda megathrust offshore Sumatra Meltzner, Aron Jeffrey Hill, Emma Mary Tsang, Louisa L. H. Philibosian, Belle Freymueller, Jeffrey T. Sieh, Kerry Earth Observatory of Singapore In the Banyak Islands of Sumatra, coral microatoll records reveal a 15 year-long reversal of interseismic vertical displacement from subsidence to uplift between 1966 and 1981. To explain these coral observations, we test four hypotheses, including regional sea level changes and various tectonic mechanisms. Our results show that the coral observations likely reflect a 15 year-long slow-slip event (SSE) on the Sunda megathrust. This long-duration SSE exceeds the duration of previously reported SSEs and demonstrates the importance of multidecade geodetic records in illuminating the full spectrum of megathrust slip behavior at subduction zones. Published version 2015-09-22T02:38:47Z 2019-12-06T21:08:29Z 2015-09-22T02:38:47Z 2019-12-06T21:08:29Z 2015 2015 Journal Article Tsang, L. L. H., Meltzner, A. J., Philibosian, B., Hill, E. M., Freymueller, J. T., & Sieh, K. (2015). A 15 year slow-slip event on the Sunda megathrust offshore Sumatra. Geophysical Research Letters, 42(16), 6630-6638. 0094-8276 https://hdl.handle.net/10356/103256 http://hdl.handle.net/10220/38726 10.1002/2015GL064928 en Geophysical Research Letters https://doi.org/10.21979/N9/UKRXZ4 © 2015. The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. application/pdf |
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In the Banyak Islands of Sumatra, coral microatoll records reveal a 15 year-long reversal of interseismic vertical displacement from subsidence to uplift between 1966 and 1981. To explain these coral observations, we test four hypotheses, including regional sea level changes and various tectonic mechanisms. Our results show that the coral observations likely reflect a 15 year-long slow-slip event (SSE) on the Sunda megathrust. This long-duration SSE exceeds the duration of previously reported SSEs and demonstrates the importance of multidecade geodetic records in illuminating the full spectrum of megathrust slip behavior at subduction zones. |
| author2 |
Earth Observatory of Singapore |
| author_facet |
Earth Observatory of Singapore Meltzner, Aron Jeffrey Hill, Emma Mary Tsang, Louisa L. H. Philibosian, Belle Freymueller, Jeffrey T. Sieh, Kerry |
| format |
Article |
| author |
Meltzner, Aron Jeffrey Hill, Emma Mary Tsang, Louisa L. H. Philibosian, Belle Freymueller, Jeffrey T. Sieh, Kerry |
| spellingShingle |
Meltzner, Aron Jeffrey Hill, Emma Mary Tsang, Louisa L. H. Philibosian, Belle Freymueller, Jeffrey T. Sieh, Kerry A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| author_sort |
Meltzner, Aron Jeffrey |
| title |
A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| title_short |
A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| title_full |
A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| title_fullStr |
A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| title_full_unstemmed |
A 15 year slow-slip event on the Sunda megathrust offshore Sumatra |
| title_sort |
15 year slow-slip event on the sunda megathrust offshore sumatra |
| publishDate |
2015 |
| url |
https://hdl.handle.net/10356/103256 http://hdl.handle.net/10220/38726 https://doi.org/10.21979/N9/UKRXZ4 |
| _version_ |
1690658307441688576 |