Hawaii Volcano Blog

Kīlauea Volcano Update: July 6, 2017

July 6, 2017, 2:18 PM HST
* Updated July 6, 2:20 PM
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An aerial view of the Kamokuna lava delta reveals the recent surface breakouts (dark flows) that began on Sunday, June 25, with the short-lived firehose activity. These flows contrast nicely with the older, altered delta surface, which is much lighter in color. The crack noted in our June 22 images is clearly visible on the western (left) side of the delta in today’s photo, and is a good reminder of delta instability. USGS/HVO photo.

This past week, Kīlauea Volcano’s summit lava lake fluctuated in concert with summit inflation and deflation, with levels ranging 69 to 135 feet below the vent rim.

On the East Rift Zone, the 61g flow remained active, with lava entering the ocean near Kamokuna and surface flows downslope of Pu‘u ‘Ō‘ō.

The 61g flows do not pose an immediate threat to nearby communities.

 Mauna Loa is not erupting.

GPS measurements continue to show deformation related to inflation of a magma reservoir beneath the summit and upper Southwest Rift Zone.

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No significant changes in volcanic gas emissions were measured.

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During the past week, small-magnitude earthquakes occurred beneath the volcano, primarily in the south caldera and upper Southwest Rift Zone at depths less than 3 miles.

No earthquakes were reported felt in Hawai‘i during the past week.

The Volcano Activity Update is a weekly article written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates.

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Call for summary updates at (808) 967-8862 (Kīlauea) or (808) 967-8866 (Mauna Loa); email questions to [email protected].

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