At 07:00 a.m. HST, ground cracking extended across Highway 130. USGS-HVO scientists measured the width of the cracks and used a thermal camera to look for heat within the cracks (shown here), but no significant temperature difference was noted. The cracks spanned a 1.1 km stretch of the highway, which was closed to traffic. Photo taken Monday, May 7, 2018 courtesy of U.S. Geological Survey
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