One Volcano Road News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Flowing like water. >> reporter: which has already crossed one volcano road. power lines and all. a searing slight right through it. >> the heat you feel as soon as you get close to it. and you look at this rushing flow, it is like a river. you see the current of lava. >> reporter: darren estimates it moving 30 to 40 miles per hour. >> but this in all, there is nothing like this just spewing from the top. >> reporter: it is just incredible to be up there in person. and the lava moving really fast. as it gets closer to where we are, it is slowing down and starting to fan out as it hits flat lan...

Paradise helicopter's darren hamilton, our pilot and guide, giving us rare access. >> i assume we'll know when we see the volcano. >> yes. the eastern side there. got it in the 1:00 position. >> reporter: having flown in military hot zones darren even admits this is firepower like no other. >> what was it like the first time you flew over lava? >> it was a blast. >> reporter: it can also be challenging especially with heavy vog or volcanic smog. >> there you can see the gases from there. >> reporter: those acidic gases dangerous if the concentration levels are too high. >> that's 3,000 degrees...