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Hurricane Had Little Impact on Pu’u O’o

Calm after the storm—a beautiful day on Kīlauea Volcano’s East Rift Zone. Rain from Hurricane Madeline had little impact on Puʻu ʻŌʻō, shown here, or lava flow 61g.

hvo9216View of the lava pond within the Puʻu ʻŌʻō west pit crater, which is about 50 m (164 ft) across. Weak spattering on the lava pond surface, about 23 m (75 ft) below the crater rim, is visible through the thick volcanic gas cloud

hvo9216aAn aerial view of a new breakout (light-colored flow at center of image) from the 61g tube. The breakout began with some vigor on the morning August 29, but today it was sluggish, with only a few scattered pāhoehoe toes still active on the margins of the flow.

Active breakout from head of tube system

Active breakout from head of tube system

View of the 61g flow field, from Puʻu ʻŌʻō (visible on top, left horizon) to the westernmost ocean entry at the coast, where lava spills into the sea, creating a lava delta.

Fume emanating from the flow field—on the coastal plain (above the ocean entry) and high on the pali (cliff) in the far distance—delineate part of the active tube system that carries lava from the Puʻu ʻŌʻō vent to the sea.

Fume emanating from the flow field—on the coastal plain (above the ocean entry) and high on the pali (cliff) in the far distance—delineate part of the active tube system that carries lava from the Puʻu ʻŌʻō vent to the sea.

A closer view of where lava is entering the sea along a 1.1-km- (0.7-mi-) wide section of the coastline. There is no evidence that high surf from Hurricane Madeline had any impact on the lava deltas that have formed, and continue to grow, at the ocean entries.

Discoloration of the ocean water is caused by fragments of volcanic glass, which are produced when hot lava enters cool seawater and shatters into tiny pieces that are carried by currents along the shore.

Discoloration of the ocean water is caused by fragments of volcanic glass, which are produced when hot lava enters cool seawater and shatters into tiny pieces that are carried by currents along the shore.

New Lava Flow Map Shows Recent Changes to East Rift Zone

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Click to enlarge

Click to enlarge

The area of the flow on October 23 is shown in pink, while widening and advancement of the flow as mapped on November 12 is shown in red. Not all changes at the northern edge of the flow in the forest were mapped due to poor weather and visibility. The yellow lines show the active lava tube system. Puʻu ʻŌʻō lava flows erupted prior to June 27, 2014, are shown in gray.

Click to enlarge

Click to enlarge

The base map is a partly transparent 1:24,000-scale USGS digital topographic map draped over a 10-m digital elevation model (DEM).