scholarly journals Coseismic deformation of late Quaternary marine terraces at Awashima island, off Niigata coast, central Japan.

1988 ◽  
Vol 97 (1) ◽  
pp. 25-38 ◽  
Author(s):  
Yoko OTA ◽  
Shuichi KASHIWAGI ◽  
Kazuyoshi SAKURAI ◽  
Jun IKEDA
Keyword(s):  
Late Quaternary ◽  
Coseismic Deformation ◽  
Central Japan ◽  
Marine Terraces

A Bayesian approach to age estimation of marine terraces and implications for the history of the great Kanto earthquakes, central Japan

2021 ◽  
Vol 272 ◽  
pp. 107217
Author(s):  
Junki Komori ◽  
Masanobu Shishikura ◽  
Ryosuke Ando ◽  
Yusuke Yokoyama ◽  
Yosuke Miyairi
Keyword(s):  
Bayesian Approach ◽  
Age Estimation ◽  
Central Japan ◽  
Marine Terraces ◽  
History Of

scholarly journals Dating and morphostratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

2018 ◽  
Author(s):  
Raphaël Normand ◽  
Guy Simpson ◽  
Frédéric Herman ◽  
Rabiul Haque Biswas ◽  
Abbas Bahroudi ◽  
...  
Keyword(s):  
Subduction Zone ◽  
Surface Deformation ◽  
Late Quaternary ◽  
Makran Subduction Zone ◽  
Megathrust Earthquakes ◽  
Surface Uplift ◽  
Marine Terraces ◽  
Uplift Rates ◽  
Tectonically Active ◽  
East West

Abstract. The western part of the Makran subduction zone (Iran) has not experienced a great megathrust earthquake in recent human history, yet, the presence of emerged marine terraces along the coast indicates that the margin has been tectonically active during at least the late Quaternary. To better understand the surface deformation of this region, we mapped the terraces sequences of seven localities along the Iranian Makran. Additionnaly, we performed radiocarbon, 230Th/U and optically stimulated luminescence (OSL) dating of the layers of marine sediments deposited on top of the terraces. This enabled us to correlate the terraces regionally and to assign them to different Quaternary sea level highstands. Our results show east-west variations in surface uplift rates mostly between 0.05 and 1.2 mm y−1. We detected a region of anomalously high uplift rate, where two MIS 3 terraces are emerged, yet we are uncertain how to insert these results in a geologically coherent context. Although it is presently not clear whether the uplift of the terraces is linked with the occurrence of large megathrust earthquakes, our results highlight heterogeneous accumulation of deformation in the overriding plate.

Aminostratigraphy and faunal correlations of late Quaternary marine terraces, Pacific Coast, USA

Nature ◽  
1982 ◽  
Vol 299 (5883) ◽  
pp. 545-547 ◽  
Author(s):  
George L. Kennedy ◽  
Kenneth R. Lajoie ◽  
John F. Wehmiller
Keyword(s):  
Pacific Coast ◽  
Late Quaternary ◽  
Marine Terraces

Late Quaternary uplift rate inferred from marine terraces, Shimokita Peninsula, northeastern Japan: A preliminary investigation of the buried shoreline angle

Geomorphology ◽  
2014 ◽  
Vol 209 ◽  
pp. 1-17 ◽  
Author(s):  
Tabito Matsu'ura ◽  
Haruo Kimura ◽  
Junko Komatsubara ◽  
Norihisa Goto ◽  
Makoto Yanagida ◽  
...  
Keyword(s):  
Late Quaternary ◽  
Preliminary Investigation ◽  
Uplift Rate ◽  
Shimokita Peninsula ◽  
Marine Terraces ◽  
Northeastern Japan

Episodic Emergence in the Past 3000 Years at the Akkeshi Estuary, Hokkaido, Northern Japan

2001 ◽  
Vol 56 (2) ◽  
pp. 231-241 ◽  
Author(s):  
Yuki Sawai
Keyword(s):  
Volcanic Ash ◽  
Late Quaternary ◽  
Vertical Crustal Movement ◽  
The Past ◽  
Marine Terraces ◽  
The Pacific ◽  
Tectonically Active ◽  
Emergence Event ◽  
Rapid Emergence ◽  
Northern Japan

AbstractAt the Akkeshi estuary, rapid emergence interrupted Holocene submergence at least four times in the past 3000 years. Each emergence event produced an upward change from estuarine mud to freshwater peat. While the estuarine mud abounds in brackish and marine diatoms, freshwater taxa dominate the peat. Emergence events occurred from 1700 to 2300, 1000 to 1300, and 500 to 700 cal yr B.P. An additional emergence event predated by several decades a volcanic ash that erupted in A.D. 1694. At least three of the events produced contacts abrupt enough to represent uplift during earthquakes. Such uplift may reconcile seemingly conflicting records of vertical crustal movement in eastern Hokkaido. This tectonically active area, which is being subducted by the Pacific plate at 8 cm/yr, contains marine terraces that imply 0.1–0.5 mm/yr of net uplift in the late Quaternary. However, these terraces adjoin tide gages that recorded 8–9 mm/yr of steady submergence in the 20th century. The terrace uplift need not conflict with the gaged submergence if the region is subject to occasional coseismic uplift, as during the emergence events implied by Holocene geology near Akkeshi.

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