USGS HVO geology field crews document the behavior of lava as it ex...
![USGS Hawaiian Volcano Observatory geology field crews document the ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img6533.jpg?itok=lumpYGDi)
Detailed Description
USGS Hawaiian Volcano Observatory geology field crews document the behavior of lava as it exits the Fissure 8 cone. Lava enters the upper channel traveling as fast as 30 km/hour (18 mi/hour).