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2009年12月19日13点2分16秒协调世界时(UTC),在台湾花莲海域发生了MW6.7地震.作者利用矩张量快速反演技术,通过反演全球地震台网的宽频带P波波形资料得到了这次地震的矩张量解,并判断走向4°、倾角75°、滑动角76°的节面是本次地震的发震断层面.
The earthquake of MW6.7 occurred at Hualien, Taiwan, at 13:02:19 UTC on 19th December 2009 at 13:02:16 UTC Using the method of instantaneous moment tensor inversion, by means of inversion of the broadband of the global seismograph network P wave waveform data obtained the moment tensor solution of the earthquake, and to determine the direction of 4 °, dip angle of 75 °, sliding angle 76 ° section is the seismogenic fault of this earthquake.