Slow earthquakes and great earthquakes along the Nankai trough

Alan T. Linde; I. Selwyn Sacks

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Slow earthquakes and great earthquakes along the Nankai trough

机译：南开海槽慢地震和大地震

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We have reexamined reports indicating that slow deformation occurred before the great Japan earthquakes of 1944 (Tonankai) and 1946 (Nankaido) and find that the observations are well founded. Although no quantitative models have previously been proposed to explain all of the relevant data we show that they are satisfied by a simple model for both earthquakes. The model, based on known properties of subduction zones, has slow slip on the subduction interface in an area deeper than the seismic rupture. If this model is correct and a similar physical situation holds for an anticipated Tokai earthquake, existing instruments will be able to reveal the pre-slip in real time. While differences among the deformation time series at different sites will provide strong constraints on the slow rupture propagation, these differences could result in delaying the recognition of a coherent event.

机译：我们已经重新审查了表明缓慢变形发生在1944年（东南海）和1946年（南海道）日本大地震之前的报告，并发现这些发现是有根据的。尽管以前没有提出定量模型来解释所有相关数据，但我们表明，对于两个地震，它们都被一个简单的模型所满足。该模型基于俯冲带的已知特性，在俯冲界面上比地震破裂更深的区域具有缓慢的滑动。如果该模型正确，并且对于预期的东海地震也具有类似的物理情况，则现有仪器将能够实时显示预滑动。虽然不同位置的变形时间序列之间的差异将对缓慢的破裂传播提供强大的约束，但这些差异可能会导致延迟对相干事件的识别。

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《Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System》 |2002年第1期|共11页
作者
Alan T. Linde; I. Selwyn Sacks;
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正文语种 eng
中图分类天文学、地球科学;
关键词
earthquakes; slow earthquake; precursors; slip rates; deformation; models;

机译：地震;慢地震;前体;滑移率;变形;模型;

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1. Slow earthquakes and great earthquakes along the Nankai trough [J] . Alan T. Linde, I. Selwyn Sacks Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System . 2002,第1期

机译：南开海槽慢地震和大地震
2. Simulation of recurring earthquakes along the Nankai trough and their relationship to the Tokai long-term slow slip events taking into account the effect of locally elevated pore pressure and subducting ridges [J] . Hirose F., Maeda K. Journal of geophysical research. Solid earth: JGR . 2013,第8期

机译：考虑局部孔隙压力升高和俯冲隆起的影响，对南海海槽反复发生的地震及其与东海长期慢滑事件的关系进行模拟
3. Development of Long-period Ground Motions from the Nankai Trough, Japan, Earthquakes: Observations and Computer Simulation of the 1944 Tonankai (Mw 8.1) and the 2004 SE Off-Kii Peninsula (Mw 7.4) Earthquakes [J] . Takashi Furumura, Toshihiko Hayakawa, Misao Nakamura, Pure and Applied Geophysics . 2008,第3a4期

机译：日本南海海槽长期地震的发展：1944年南海（Mw 8.1）和2004 SE非基伊半岛（Mw 7.4）地震的观测和计算机模拟
4. LONG-PERIOD GROUND MOTION SIMULATION OF 2004 OFF THE KII PENINSULA EARTHQUAKES AND PREDICTION OF FUTURE M8 CLASS EARTHQUAKES ALONG NANKAI TROUGH SUBDUCTION ZONE,SOUTH OF JAPAN ISLAND [C] . J.L.Yu, E.H.Wang, J.R.Li Innovation, practice, safety . 2008

机译：2004年KII半岛地震的长期地面运动模拟和预测日本南部纳凯海槽俯冲带未来的M8级地震。
5. Postseismic Afterslip, Viscoelastic Mantle Flow, and the Earthquake Cycle at the Nankai Trough Subduction Zone [D] . Tebo, Douglas Wayne. 2018

机译：南海海槽俯冲带的地震后滑，粘弹性地幔流动和地震周期
6. A b map implying the first eastern rupture of the Nankai Trough earthquakes [O] . K. Z. Nanjo, A. Yoshida -1

机译：一张b地图暗示南开海槽地震的第一次东方破裂
7. Preparations for the Coming Large Earthquakes at the Nankai Trough. Time-dependent Inversion Study of the 1997 Bungo Slow Earthquake. [O] . Shinzaburo OZAWA, Toru MURAKAMI, Takashi TADA 2001

机译：南开槽的即将到来的大地震的准备。 1997年云团慢地震的时间依赖反演研究。

Slow earthquakes and great earthquakes along the Nankai trough

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