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Megathrust Stress Drop as Trigger of Aftershock Seismicity: Insights From the 2011 Tohoku Earthquake, Japan

open access: yesGeophysical Research Letters, 2023
Numerous normal‐faulting aftershocks in subduction forearcs commonly follow large megathrust earthquakes. Postseismic normal faulting has been explained by stress changes induced by the stress drop along the megathrust. However, details of forearc stress
Armin Dielforder   +2 more
exaly   +2 more sources

High probability of successive occurrence of Nankai megathrust earthquakes [PDF]

open access: yesScientific Reports, 2023
Great earthquakes along the Nankai megathrust in south-western Japan feature in the top priority list of Japan’s disaster management agenda. In May 2019, an alert system was incepted to issue public warnings when the probability of an earthquake ...
Yo Fukushima   +2 more
doaj   +2 more sources

Evidence of megathrust earthquakes and seismic supercycles in subtropical Japan from millennia-old coral microatolls [PDF]

open access: yesNature Communications
Megathrust earthquakes in subduction zones often go unreported because they are rare and the historical record is short. On the Ryukyu subduction zone of southwestern Japan, unlike neighboring Nankai Trough, the history and future potential of great ...
Sophie Debaecker   +12 more
doaj   +2 more sources

Structural barriers control the spatial extent of slow earthquake slip [PDF]

open access: yesNature Communications
Recent seismological and geodetic observations have revealed shallow slow earthquakes on subduction megathrusts, offering an opportunity to explore the factors controlling megathrust slip.
Takeshi Akuhara   +18 more
doaj   +2 more sources

Rupture and variable coupling behavior of the Mentawai segment of the Sunda megathrust during the supercycle culmination of 1797 to 1833 [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 2014
We refer to periods of subduction strain accumulation beneath the Mentawai Islands, Sumatra, as “supercycles,” because each culminates in a series of partial ruptures of the megathrust in its final decades. The finale of the previous supercycle comprised
Belle Philibosian   +2 more
exaly   +5 more sources

Peningkatan Kapasitas MGMP IPS SMP/ MTS Se-Kabupaten Pacitan dalam Rangka Memahami Megathrush dan Gempa Bumi di Kabupaten Pacitan

open access: yesASANKA, 2023
Kabupaten Pacitan merupakan salah satu kabupaten yang berlokasi di pesisir selatan Jawa Timur. Kabupaten ini memiliki potensi alam yang cukup besar dengan topografi wilayah berupa perbukitan hingga pesisir. Dibalik potensi alam yang cukup besar Kabupaten
Lintang Ronggowulan Ronggowulan
doaj   +1 more source

Mountain height as a proxy for the cessation of active plate convergence

open access: yesGeosystems and Geoenvironment, 2023
Megathrust shear force along convergent plate margins exerts a primary control on the height/elevation of mountain ranges, which can be mechanically sustained.
Raja Sen   +3 more
doaj   +1 more source

Very Low Frequency Earthquakes in Between the Seismogenic and Tremor Zones in Cascadia?

open access: yesAGU Advances, 2022
Megathrust earthquakes and their associated tsunamis cause some of the worst natural disasters. In addition to earthquakes, a wide range of slip behaviors are present at subduction zones, including slow earthquakes that span multiple orders of spatial ...
Wenyuan Fan   +6 more
doaj   +1 more source

GLOBAL TREND OF MEGATHRUST RESEARCH IN THE LAST TEN YEARS [PDF]

open access: yesScience of Tsunami Hazards, 2022
Megathrusts have been the subject of more research recently. Therefore efforts are needed to understand the patterns, novelties, research trends, and potential future research areas connected to megathrusts.
Hasan Nuurul Hidaayatullaah   +1 more
doaj  

Earthquake Fingerprint of an Incipient Subduction of a Bathymetric High

open access: yesGeophysical Research Letters, 2022
The resistance of bathymetric highs to subduction results in large‐scale morphological distortions of the outer‐rise, trench, and fore‐arc regions. Once subducted, bathymetric highs induce frictional segmentation along the plate interface that may result
Luigi Passarelli   +3 more
doaj   +1 more source

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