Detailed text transcripts for TV channel - CNN - 20110127:12:54:00
Been there as we know. i guess up to three times in 2.1 million years. what they are worried about they say the ground has started to swell in levels they have not seen before. ten inches in some places in the past year. what does that tell us? >> it tells us there is active in the super volcano which erupts roughly every 600 million years. the last eruption was 600,040 years ago. every single burp, murmur including the rise of the sea level has to be watched very carefully. >> so when we talk about this, we have pictures. we have pictures of mt. st. helen erupting in 1980. you say an explosio...
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