Articles | Volume 12, issue 11
https://doi.org/10.5194/se-12-2467-2021
https://doi.org/10.5194/se-12-2467-2021
Research article
 | 
01 Nov 2021
Research article |  | 01 Nov 2021

Marine forearc structure of eastern Java and its role in the 1994 Java tsunami earthquake

Yueyang Xia, Jacob Geersen, Dirk Klaeschen, Bo Ma, Dietrich Lange, Michael Riedel, Michael Schnabel, and Heidrun Kopp

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Latest update: 25 Apr 2024
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Short summary
The 2 June 1994 Java tsunami earthquake ruptured in a seismically quiet subduction zone and generated a larger-than-expected tsunami. Here, we re-process a seismic line across the rupture area. We show that a subducting seamount is located up-dip of the mainshock in a region that did not rupture during the earthquake. Seamount subduction modulates the topography of the marine forearc and acts as a seismic barrier in the 1994 earthquake rupture.