墨西哥当局在发生以下情况之一后立即发布了“ 2级”黄色警报 墨西哥最活跃的火山 波波卡特佩特尔于周四爆发，向其上方的空气中喷出高灰，并在火山口周围喷出熔岩。
爆发时间的戏剧性镜头是在当地时间上午6.30左右拍摄的。 官员说，火山爆炸散发了大约3公里高的烟气，其中烟灰含量适中。
官员在星期四的喷发后立即发出黄色警报，警告周围地区的人们用口罩或手帕遮住口鼻，以防止空气中的火山灰，保持窗户关闭并戴眼镜隐形眼镜。
建议公众“不要接近火山。”
附近的阿特劳特拉和墨西哥城的居民在网上发布了令人印象深刻的图像，其中黎明时分升起的烟升上了波波卡特佩特。
从这篇文章中可以得到什么：
- Officials have issued a yellow alert in the immediate aftermath of Thursday's eruption, warning people in the surrounding area to cover their mouth and nose with a mask or handkerchief for protection against volcanic ash in the air, to keep windows closed, and to wear glasses instead of contact lenses.
- Officials say the volcanic blast sent up a column of smoke about 3 kilometers high, with a moderate ash content.
- Mexican authorities issued a ‘level 2' yellow alert immediately after one of Mexico's most active volcanoes, Popocatepetl, erupted on Thursday, spewing ash high into the air above and showering lava around its crater.
