Mystery of the megavolcano /
Explores evidence for an ancient supervolcano near Lake Toba on the Indonesian Island of Sumatra, which erupted 75,000 years ago, plunging the Earth into a global deep freeze. Uses computer-generated imagery to follow clues and probe questions about whether a similar supervolcano may someday reawak...
Full description
Bibliographic Details
| Corporate Authors: |
Mentorn (Firm),
WGBH (Television station : Boston, Mass.),
Canadian Broadcasting Corporation,
WGBH Video (Firm) |
| Other Authors: |
Fox, Ben,
Glassman, Gary,
Ross, Neil |
| Format: | Video
DVD
|
| Language: | English |
| Language Notes: | Closed-captioned; described video. |
| Published: |
[Boston] :
WGBH Boston Video,
[2006]
|
| Subjects: | |