Measuring how much lava is flowing through the 61g tube
Detailed Description
HVO geologist conducts a VLF (very low frequency) survey across the episode 61g lava tube to measure the depth and cross-sectional area of lava flowing within the tube.
HVO geologist conducts a VLF (very low frequency) survey across the episode 61g lava tube to measure the depth and cross-sectional area of lava flowing within the tube.