Implications for megathrust earthquakes and tsunamis from seismic gaps south of Java']Java Indonesia

被引：67

作者：

Widiyantoro, S. ^{[1
,2
]}

Gunawan, E. ^{[1
]}

Muhari, A. ^{[3
]}

Rawlinson, N. ^{[4
]}

Mori, J. ^{[5
]}

Hanifa, N. R. ^{[6
]}

Susilo, S. ^{[7
]}

Supendi, P. ^{[8
]}

Shiddiqi, H. A. ^{[9
]}

Nugraha, A. D. ^{[1
]}

Putra, H. E. ^{[10
]}

机构：

[1] Inst Teknol Bandung, Fac Min & Petr Engn, Global Geophys Res Grp, Bandung 40132, Indonesia

[2] Maranatha Christian Univ, Fac Engn, Bandung 40164, Indonesia

[3] Natl Disaster Management Author, Jakarta 13120, Indonesia

[4] Univ Cambridge, Dept Earth Sci, Bullard Labs, Cambridge CB3 0EZ, England

[5] Kyoto Univ, Disaster Prevent Res Inst, Uji 6110011, Japan

[6] Natl Ctr Earthquake Studies, Jalan Turangga 3-5, Bandung 40263, Indonesia

[7] Badan Informasi Geospasial, Cibinong 16911, Indonesia

[8] Agcy Meteorol Climatol & Geophys, Bandung 40161, Indonesia

[9] Univ Bergen, Dept Earth Sci, Allegaten 41, N-5007 Bergen, Norway

[10] PT Reasuransi Maipk, Jakarta 12960, Indonesia

来源：

SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期

关键词：

W; 6.1; ACEH; INVERSION ANALYSIS; LOCATION ALGORITHM; HAYWARD FAULT; TOHOKU-OKI; SLIP; DEFORMATION; MODEL; ZONE; CONSTRAINTS;

D O I：

10.1038/s41598-020-72142-z

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Relocation of earthquakes recorded by the agency for meteorology, climatology and geophysics (BMKG) in Indonesia and inversions of global positioning system (GPS) data reveal clear seismic gaps to the south of the island of Java. These gaps may be related to potential sources of future megathrust earthquakes in the region. To assess the expected inundation hazard, tsunami modeling was conducted based on several scenarios involving large tsunamigenic earthquakes generated by ruptures along segments of the megathrust south of Java. The worst-case scenario, in which the two megathrust segments spanning Java rupture simultaneously, shows that tsunami heights can reach similar to 20 m and similar to 12 m on the south coast of West and East Java, respectively, with an average maximum height of 4.5 m along the entire south coast of Java. These results support recent calls for a strengthening of the existing Indonesian Tsunami Early Warning System (InaTEWS), especially in Java, the most densely populated island in Indonesia.

引用

页数：11

共 61 条

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