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Frequently Asked Questions about Kīlauea Summit Subsidence

July 31, 2018

We've compiled some Frequently Asked Questions that address the reasons behind the current activity summit activity and what might happen over the next several months.

At present, the summit of Kīlauea Volcano is undergoing dramatic changes. The caldera floor is subsiding. The rim and walls of HALEMAUMAU are slumping inward. Nearby residents feel moderate-sized earthquakes, and see small ash plumes rise from the crater. We've compiled some Frequently Asked Questions that address the reasons behind the current activity summit activity and what might happen over the next several months.

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