SMS is an important way of earthquake rapid report. The existing sender is not classifying the range, unable to send information ifne. Using MapXtreme, we develop an earthquake information SMS rapid sender with the functions of sub-regional and classiifcation. This sender can effectively reduce the number of SMS sent by the system, and also can decrease the fatigue of the SMS receiver and decline harassment.%短信发送是地震速报的一种重要方式，现有系统发送范围未细分，无法做到精细化发送信息。使用MapXtreme，实现分区域、分类别的精细化短信发送，可有效减少短信发送数量，减少骚扰。
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