globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068342
论文题名:
Unusual seismic activity in 2011 and 2013 at the submarine volcano Rocard, Society hot spot (French Polynesia)
作者: Talandier J.; Hyvernaud O.; Maury R.C.
刊名: Geophysical Research Letters
ISSN: 0094-9020
EISSN: 1944-8751
出版年: 2016
卷: 43, 期:9
起始页码: 4247
结束页码: 4254
语种: 英语
英文关键词: French Polynesia ; monochromatic Rayleigh waves ; Rocard active volcano ; Society hot spot ; submarine magma transfer
Scopus关键词: Hydrostatic pressure ; Rayleigh waves ; Seismology ; Submarines ; Active volcanoes ; French Polynesia ; High hydrostatic pressure ; Hot spot ; Magma transfers ; Seismic activity ; Submarine volcano ; Volcanic activities ; Volcanoes
英文摘要: We analyze two seismic events that occurred on 27 May 2011 and 29 April 2013 at the Rocard submarine volcano which overlies the Society hot spot. The Polynesian Seismic Network recorded for the first time unusual associated short- and long-period signals, with perfectly monochromatic (0.0589 Hz) Rayleigh wave trains of long period and duration. None of the numerous observations of long-period (10-30 s) signals previously associated with volcanic activity in Japan, Italy, Mexico, Indonesia, Antarctica, and the Hawaiian Islands have the characteristics we observed at Rocard. We propose a tentative model for these unusual and rather enigmatic signals, in which the movement of lava excited the resonance of a shallow open conduit under a high hydrostatic pressure of ~400 bars. © 2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84966412928&doi=10.1002%2f2016GL068342&partnerID=40&md5=2423b678d16a00c32b0cfd8a425a734f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9983
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Laboratoire de Détection et Géophysique, Département Analyse et Surveillance de l'Environnement, CEA, DAM, DIF, Arpajon, France

Recommended Citation:
Talandier J.,Hyvernaud O.,Maury R.C.. Unusual seismic activity in 2011 and 2013 at the submarine volcano Rocard, Society hot spot (French Polynesia)[J]. Geophysical Research Letters,2016-01-01,43(9).
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