This cool new infrared video shows the draining and refilling of the lava lake in Pu`u `Ō`ō. Pu`u `Ō`ō is one of the craters on Kīlauea Volcano, and it’s been active for over two decades.Here’s what the crater looks like in daylight:
This time-lapse video shows the activity in the lava lake over the past two months.
For more info on Pu`u `Ō`ō, go to the HVO website. The USGS has quite a few photos and videos here.