Kīlauea summit eruption thermal image comparison
These thermal images look west and show the eruption at the summit Kīlauea on September 11 (the day after the eruption started) and on September 14. On September 11, multiple vents were active in a roughly east-west trending line and the area of active lava flows was approximately 448 acres (181 hectares). On September 14, only the central vents remained active and the area of active lava flows was approximately 108 acres (44 hectares). USGS images by M. Patrick.