We consider whether splay fault slip may be a factor influencing the behavior of megathrust earthquakes in the Nankai Trough.

The Nankai Trough megathrust earthquakes inflicted catastrophic damage on Japanese society and more widely. The black open and filled stars denote large megathrust earthquakes during 684–1900 and after 1900, respectively (Utsu, 2004; Usami, 2003).

We consider whether splay fault slip may be a factor influencing the behavior of megathrust earthquakes in the Nankai Trough.

The Nankai Trough Earthquake Information: an interim measure in transition from "The Tokai Earthquake Prediction" Seismology and Volcanology Department, Japan Meteorological Agency Speaker: Kohei Nagata (k_nagata@met.kishou.go.jp) In Japan, the Tokai Earthquake, a megathrust earthquake beneath the Tokai region with a magnitude of around 8, was expected to occur in the near future …

Consideration of tsunami inversion results from other studies indicates that slip on one or more splay faults may be particularly important for the segment of the Nankai Trough offshore western Shikoku. The jagged and dashed lines denote the Nankai trough and depth contours of the PHS slab upper boundary (with an interval of 20 km), respectively.

Media in category "Nankai Trough megathrust earthquakes" The following 41 files are in this category, out of 41 total. The observation systems There are over 15 observation sites along the Nankai Trough: six established before the 2011 Tohoku-oki earthquake, and others deployed subsequently in order to produce a complete picture of the SDR distribution. In Japan, the Nankai megathrust under the Nankai Trough is responsible for Nankai megathrust earthquakes and associated tsunamis. Consideration of tsunami inversion results from other studies indicates that slip on one or more splay faults may be particularly important for the segment of the Nankai Trough offshore western Shikoku.
The Nankai Trough megathrust earthquakes inflicted catastrophic damage on Japanese society and more widely.

We used simulation by the reciprocity method to visualize the distribution of Green’s function amplitudes in the source of a megathrust earthquake in the Nankai Trough and considered the effects of various areas (asperities or strong motion generation areas) on the simulated long-period ground motions at Konohana in the Osaka basin. [An interplate megathrust earthquake] is predicted in the near future along the Nankai Trough off southwestern Japan.
The black triangles denote active volcanoes.

In the North America, the Juan de Fuca Plate is subducting under the North American Plate creating the Cascadia subduction zone which stretches from Middle Vancouver, British Columbia to Northern California. The 2016 M w 5.9 earthquake off the southeastern coast of Mie Prefecture as an indicator of preparatory processes of the next Nankai Trough megathrust earthquake Megathrust earthquakes have occurred repeatedly at intervals of 100 to 150 years along the Nankai Trough, situated in the southwest of Japan. 1498 Meio earthquake intensity.png 512 × 512; 37 KB The Nankai megathrust earthquakes are great earthquakes that occur along the fault that forms the plate interface between the subducting Philippine Sea Plate and the overriding Amurian Plate (part of the Eurasian Plate), which dips beneath…

The government held a comprehensive drill on Disaster Prevention Day on Saturday to prepare for a potential mega-thrust earthquake originating in the Nankai Trough off the Pacific coast. Interplate megathrust earthquakes have inflicted catastrophic damage on human society. “Nankai megathrust earthquakes are great megathrust earthquakes that occur along the Nankai megathrust – the fault under the Nankai Trough – which forms the plate interface between the sub-ducting Philippine Sea Plate and the overriding Amurian Plate (part of the Eurasian Plate), which dips beneath southwestern Honshu, Japan.