超级火山将会包括那些会释放1000立方公里材料的火山爆发。
Such "supervolcanoes" would include eruptions that release more than 1000 cubic kilometres of material.
它坐落在一座古老的超级火山之上，该火山被称之为黄石火山口。
It sits on top of an ancient super volcano, known as The Yellowstone Caldera.
在黄石下的超级火山的一段在数千年后爆发，使数百万人处于危险之中。
A section of the super volcano under Yellowstone erupts after thousands of years, putting millions at risk.
国家地理频道于《科学透视?超级火山》带您挖掘黄石公园底下的真实面貌。
National Geographic Channel digs beneath the surface of Yellowstone in Naked Science -- Super Volcanoes.
超级火山的最后一次爆发是在74,000年前的印度尼西亚，由此可知很罕见。
Super volcanoes are quite rare with the last eruption occurring about 74,000 years ago in Indonesia.
为了解开这个谜，科学家们进行了一次海洋探险，去钻探145亿年前就在水下存在的超级火山。
To help solve this mystery, scientists went on an ocean expedition to drill into a large, 145-million-year-old underwater supervolcano.
爆发力非常强，造成数十亿人死亡甚至更多人死亡，可以毁坏整个大陆的叫超级火山。
But super volcanoes are highly explosive and can kill billions of people and even destroy an entire continent.
如果一个超级火山喷发足够大的话，它能够几年内逐步摧毁超过大半作物，进而造成大面积的饥荒。
If sufficiently large, a supereruption could decimate crops over half a continent for several years in a row, causing widespread famine.
通过对加利福尼亚主教凝灰岩（76万年前此地曾发生过一场超级火山喷发）浮石中的石英晶体进行显微分析，研究者们确定了这一结论。
Researchers have determined this based on a microscopic analysis of quartz crystals in pumice from the Bishop Tuff in California, the site of a super-eruption 760,000 years ago.
这幅图像显示了M 87大质量星系里的一次极大的“超级火山”喷发。NASA的钱德拉X射线望远镜和国家科学基金会(nsf)的超大阵列(VLA)目击了此景。
This image shows the eruption of a galactic "super-volcano" in the massive galaxy M87, as witnessed by NASA's Chandra X-ray Observatory and NSF's Very Large Array (VLA).
奥努伊火山爆发就可能属于这一类，但是一个更有把握超级火山的候选者是苏门答腊岛的多巴火山爆炸。约在70 000年以前，多巴火山在爆发时释放了2800立方公里的灼热的岩石、火山灰和尘埃。
The Oruanui eruption probably managed that, but a surer candidate is Sumatra's Toba blast, which released 2800 cubic kilometres of hot rock, ash and dust about 70,000 years ago.
奥努伊火山爆发就可能属于这一类，但是一个更有把握超级火山的候选者是苏门答腊岛的多巴火山爆炸。约在70 000年以前，多巴火山在爆发时释放了2800立方公里的灼热的岩石、火山灰和尘埃。
The Oruanui eruption probably managed that, but a surer candidate is Sumatra's Toba blast, which released 2800 cubic kilometres of hot rock, ash and dust about 70,000 years ago.
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