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New Lava Flow Map Shows Widening, Advancement and Relativity to June 27 Flow

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field. The area covered by the June 27th flow as of June 2 is shown in orange. The areas covered by the new breakouts at Puʻu ʻŌʻō as of May 26 are shown in pink, while widening and advancement of the new breakouts as mapped on June 2 is shown in red.

The yellow lines show the mapped portion of the lava tube system for the June 27th flow, which is still active in scattered areas within about 5.4 km (3.4 mi) to the northeast of Puʻu ʻŌʻō (not shown). Puʻu ʻŌʻō lava flows erupted prior to June 27, 2014, are shown in gray. Puʻu ʻŌʻō is at lower left. (Click to enlarge)

The yellow lines show the mapped portion of the lava tube system for the June 27th flow, which is still active in scattered areas within about 5.4 km (3.4 mi) to the northeast of Puʻu ʻŌʻō (not shown). Puʻu ʻŌʻō lava flows erupted prior to June 27, 2014, are shown in gray. Puʻu ʻŌʻō is at lower left. (Click to enlarge)

The blue lines show steepest-descent paths calculated from a 1983 digital elevation model (DEM; for calculation details, see http://pubs.usgs.gov/of/2007/1264/). Steepest-descent path analysis is based on the assumption that the DEM perfectly represents the earth’s surface. DEMs, however, are not perfect, so the blue lines on this map can be used to infer only approximate flow paths. The base map is a partly transparent 1:24,000-scale USGS digital topographic map draped over a 1983 10-m digital elevation model (DEM)

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