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首页> 外文期刊>Earth, planets and space: EPS >Repeating short- and long-term slow slip events with deep tremor activity around the Bungo channel region, southwest Japan
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Repeating short- and long-term slow slip events with deep tremor activity around the Bungo channel region, southwest Japan

机译：在日本西南部的邦戈海峡附近，反复发生短期和长期的缓慢滑坡事件，并伴有深度震颤

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We report the repeating occurrence of short- and long-term slow slip events (SSE) which are accompanied by deep tremor activity around the Bungo channel region, southwest Japan. Both of these activities are detected by NIED Hi-net, which is composed of densely distributed observatories equipped with a set of tiltmeter and a highsensitivity seismograph. Since the short-term SSE is small in magnitude, GPS can detect only the long-term SSE. Some of these episodes have nearly the same surface deformation pattern. This shows the existence of ?eslow slip patches?f on a plate interface, where the episodic slow slip is the characteristic slip behavior. We observe a change in periodicity and size of the short-term episode after the onset of the long-term SSE. Moreover, the long-term slow slip accelerates when the short-term activity takes place. This suggests that there is an interaction between these two types of SSEs.
机译：我们报告了短期和长期缓慢滑坡事件（SSE）的重复发生，并伴有日本西南部Bungo河道地区附近的深层地震活动。这两种活动都由NIED Hi-net进行检测，该网络由密集分布的观测站组成，观测站配有一套倾斜仪和一个高灵敏度地震仪。由于短期SSE的幅度较小，因此GPS只能检测到长期SSE。这些事件中的一些具有几乎相同的表面变形模式。这表明板界面上存在“低速滑动斑块” f，其中偶发的慢速滑动是特征滑移行为。我们观察到长期SSE发作后短期发作的周期性和大小发生变化。此外，当发生短期活动时，长期缓慢滑行会加速。这表明这两种类型的SSE之间存在相互作用。

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