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The water lake within Halema‘uma‘u crater, at the summit of Kīlauea, continues to slowly rise, with no significant changes in recent weeks. USGS photo by M. Patrick.
A close-up of the lake from the webcam site on the west caldera rim. Ripples are evident on the water surface. USGS photo by M. Patrick. For a sense of scale, compare this view with that of the KWcam webcam: https://volcanoes.usgs.gov/observatories/hvo/webcam.html?webcam=KWcam
The eastern end of the lake, shown here, is slightly warmer than the lake center, and commonly has steam rising from the water surface. USGS photo by M. Patrick.
This thermal video shows typical activity at Kīlauea's summit water lake. Steam carried across the water surface often masks thermal features on the underlying water surface. USGS video by M. Patrick.