<p>A US Geological Survey drone surveyed a fissure and lava flow in the East Rift Zone of Hawaii’s Kilauea volcano by night on June 29.</p><p>The USGS said</a> they conduct night-time observations to identify “overflows and breaches of the channel.”</p><p>This video shows lava bubbling up from a fissure and flowing towards the sea. Credit: USGS via Storyful</p><br />