Ploča Okinawa
Ploča Okinawa je manja kontinentalna tektonska ploča na sjevernoj i istočnoj polutci koja se proteže od sjevernog kraja Tajvana do južnog rta otoka Kyūshū .[1] [2] Ploča Okinawa odgovorna je za potrese , poput potresa na potresa na otoku Kikai 1911., i razne vrste sporih potresa, uključujući potrese niske frekvencije,[3] potrese vrlo niske frekvencije,[4] podrhtavanje,[5] i događaje sporog klizanja.[6]
Granice
Istočna strana ploče Okinawa čini konvergentnu granicu s Filipinskom pločom , tvoreći jarak Ryukyu i otočni luk koji tvori otočje Ryū Kyū . Ploča Okinawa je sa zapadne strane omeđena Okinavskim jarkom, zalučnim bazenom i divergentnom granicom s pločom Jangce . Dio južne granice između ploče Okinawa i Filipinske ploče je bivša zona subdukcije koja sada prihvaća koso klizanje i na kojoj se dogodio Velikog tsunami u Yaeyami 1771. godine.[7] [8] Sjeverna strana Okinawske ploče omeđena je Amurskom pločom .
Izvori
↑ Sibuet, Jean-Claude; Letouzey, Jean; Barbier, Florence; Charvet, Jacques; Foucher, Jean-Paul; Hilde, Thomas W. C.; Kimura, Masaaki; Chiao, Ling-Yun; Marsset, Bruno. 1987. Back Arc Extension in the Okinawa Trough . Journal of Geophysical Research: Solid Earth (engleski ). 92 (B13): 14041–14063. doi :10.1029/JB092iB13p14041 . ISSN 2156-2202
↑ Lin, Jing-Yi; Sibuet, Jean-Claude; Lee, Chao-Shing; Hsu, Shu-Kun; Klingelhoefer, Frauke; Auffret, Yves; Pelleau, Pascal; Crozon, Jacques; Lin, Cheng-Horng. 2009. Microseismicity and faulting in the southwestern Okinawa Trough. Tectonophysics . 466 (3–4): 268–280. doi :10.1016/j.tecto.2007.11.030 . ISSN 0040-1951
↑ Katsumata, Akio; Kamaya, Noriko. 2003. Low-frequency continuous tremor around the Moho discontinuity away from volcanoes in the southwest Japan . Geophysical Research Letters . 30 (1): 20–1-20-4. doi :10.1029/2002gl015981 . ISSN 0094-8276
↑ Nakamura, Mamoru; Sunagawa, Naoya. 24. veljače 2015. Activation of very low frequency earthquakes by slow slip events in the Ryukyu Trench . Geophysical Research Letters . 42 (4): 1076–1082. doi :10.1002/2014gl062929 . ISSN 0094-8276
↑ Yamashita, Y.; Yakiwara, H.; Asano, Y.; Shimizu, H.; Uchida, K.; Hirano, S.; Umakoshi, K.; Miyamachi, H.; Nakamoto, M. 7. svibnja 2015. Migrating tremor off southern Kyushu as evidence for slow slip of a shallow subduction interface. Science . 348 (6235): 676–679. doi :10.1126/science.aaa4242 . ISSN 0036-8075 . PMID 25954006
↑ Nishimura, Takuya. 11. listopada 2014. Short-term slow slip events along the Ryukyu Trench, southwestern Japan, observed by continuous GNSS . Progress in Earth and Planetary Science . 1 (1). doi :10.1186/s40645-014-0022-5 . ISSN 2197-4284
↑ Bird, Peter. 2003. An updated digital model of plate boundaries: UPDATED MODEL OF PLATE BOUNDARIES . Geochemistry, Geophysics, Geosystems (engleski ). 4 (3). doi :10.1029/2001GC000252
↑ Okamura, Yukinobu; Nishizawa, Azusa; Fujii, Yushiro; Yanagisawa, Hideaki. 11. rujna 2018. Accretionary prism collapse: a new hypothesis on the source of the 1771 giant tsunami in the Ryukyu Arc, SW Japan . Scientific Reports . 8 (1): 13620. doi :10.1038/s41598-018-31956-8 . ISSN 2045-2322 . PMC 6134009 . PMID 30206405
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