East Hawaii News

Kilauea Summit Update – 7/23/15

July 23, 2015, 12:33 PM HST
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Over the past 24 hours, deflationary tilt at the summit of Kilauea continued. According to Hawaiian Volcano Observatory, the lava lake fluctuated slightly and minor changes in spattering were observed.

Seismic levels continue at background levels Thursday as small earthquakes continue to be recorded both below the summit of Kilauea and along the Southwest Rift Zone. HVO has also reported earthquakes along the south flank of Kilauea.

When measured on July 21, HVO reports that the summit’s sulfur dioxide emission rate ranged from about 2,900 to 6,100 tonnes per day.

At Puʻu ʻŌʻō, HVO reports that no changes have been observed. Several incandescent, outgassing crater vents continue to be present within the crater. Seismicity continues at low background levels.

HVO reports that sulfur dioxide emission rates recorded on July 17 from all East Rift Zone vents were about 400 tonnes per day.


Webcam observations by HVO show that the June 27, 2014 lava flow continues to encompass an area spanning from about 0.6 to 5 miles northeast of Puʻu ʻŌʻō.

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