Latitude effect of geomagnetic disturbances during the geomagnetic storm on April 6, 2000 is analyzed by using minute average of H and D components at a low‐latitude geomagnetic meridian chain stations. The main characteristics are as follows. (1) SC range of H component decreases and the decreasing rate increases with decreasing latitudes during sudden commencement; (2) The range of the second peak for H component and the duration of the initial phase decrease with decreasing latitudes in the initial phase; (3) H component decreases speedily and the range of variation increases with decreasing latitudes in the main phase; (4) The H component increases by two steps in the recovery phase. H component increases quickly and the increasing range decreases with decreasing latitudes at the former step. The increasing rate of H component decreases at the later step. Finally, the intimate relationship between the latitudinal effect of the geomagnetic storm and the space current system is discussed.
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