“仙台曾经发生过地震，但是却没有发生过强烈大地震，”麻布金森说，他是美国帕萨迪纳加州理工学院的地震学家。

"There has been seismicity but not really great-earthquake seismicity," says Hiroo Kanamori, a seismologist at the California Institute of Technology in Pasadena.

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这个小组由加州帕萨迪纳市的加州理工学院物理学家 H.P. Robertson 领头，有数名物理学家、一名宇航员和一名火箭工程师。

The panel was headed by H.P. Robertson, a physicist at the California Institute of Technology in Pasadena, Calif., and included other physicists, an astronomer, and a rocket engineer.

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