它是爆炸式的喷发。
The last explosive eruption of the volcano, based on historical records, occurred in 1877.
据史料记载，这座火山最近一次喷发是在1877年。
The volcanic activities might be of lower eruption frequency, short interval between volcanic eruption cycles, and relatively quiet eruption, occasionally accompanied by intensive explosive eruption.
火山活动具有喷发频率低、间隔时间短、以宁静的溢流式喷发为主间或伴随较强烈的爆发式喷发为特点。
The volcanic activities might be of lower eruption frequency, short interval between volcanic eruption cycles, and relatively quiet eruption, occasionally accompanied by intensive explosive eruption.
火山活动具有喷发频率低、间隔时间短、以宁静的溢流式喷发为主间或伴随较强烈的爆发式喷发为特点。
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