At 1:20 PM HST on July 5, a collapse explosion event occurred at KÄ«lauea’s summit. The energy released by the event was equivalent to a M5.2 earthquake. The shaking produced rockfall from Halema‘uma‘u’s steep crater walls (brown dust), as viewed from a temporary observation post at Volcano House. Photo taken Thursday, July 5, 2018 courtesy of U.S. Geological Survey
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