Pu‘u ‘Ō‘ō and Episode 61 flow field: December 2, 2011

The currently active flow (episode 61) is shown as the two shades of red—pink is the extent of the flow from September 21 to November 21, and bright red marks flow expansion from November 21 to December 2. The contour interval on Pu‘u ‘Ō‘ō is 5 m.