Just a couple of days ago, a water lake filled the bottom of the Halema’uma’u crater. Now, a glowing lava lake does, filling the skies with gases and fog. Credit: USGS

Just a couple of days ago, a water lake filled the bottom of the Halema'uma'u crater. Now, a glowing lava lake does, filling the skies with gases and fog. Credit: USGS

Just a couple of days ago, a water lake filled the bottom of the Halema’uma’u crater. Now, a glowing lava lake does, filling the skies with gases and fog. Credit: USGS

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