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Changes of Geomagnetic Total Field and Occurrences of Earthquakes in Taiwan

台灣地區地磁場變化與地震活動

並列摘要


This paper examines variations in the geomagnetic total field recorded by eight stations in Taiwan from 1989 to 2001. A comparison of data from the international geomagnetic reference field (IGRF) and the eight stations shows that the annual change rates of the field reduce down to ±5 nT/yr in 1997.9. Spatial and temporal analyses demonstrate that a zero isoporic zone (ZIZ) tends to lead to M 6.0 earthquakes within 2 years in the Taiwan area.

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