re: Methane hydrates trapped in permafrost.
Methane hydrates in the Arctic region. Maybe a seismic event caused the explosion (best explanation, imho): New Hypothesis of the Tunguska Explosion
Space/Science » in reply to Jack, if you're not a little more specific nobodys going to know what the hell you're talking about.
Methane hydrates in the Arctic region. Maybe a seismic event caused the explosion (best explanation, imho): New Hypothesis of the Tunguska Explosion