Pu‘u ‘Ō‘ō and Episode 61 flow field: November 21, 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 10, and bright red marks flow expansion from November 10 to November 21. The contour interval on Pu‘u ‘Ō‘ō is 5 m.