In the fault zone around the Bungo Suido, at least, the entire segment is releasing a lot of strain, but without knocking down buildings, he added.
在豊后水道附近的断层中，至少整个部分正释放着巨大的压力，但是并没有震倒房屋，他又说。
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To get to the bottom of the slow-quake mystery, study author Hitoshi Hirose and colleagues studied seismic readings of slow earthquakes in an area around the Bungo Suido, a channel in southwest Japan.