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The longest-lived and most voluminous rift-zone eruption of Kīlauea Volcano in more than 500 years—the ongoing Pu‘u ‘Ō‘ō eruption—began in January 1983, and is fast approaching its 35th anniversary.

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The Pu‘u ‘Ō‘ō breakout that originated in the uppermost part of the 61g flow field near Puʻu Halulu continues and satellite images show its front at roughly 1km from where it first issued lava.

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The Kilauea June 27th Lava Flow field near Pahoa has been declared inactive, surface flows remain within four miles of Pu‘u ‘O‘o vent. HVO scientists say it would be at least months before lava could get to within a mile of homes or infrastructure.

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The USGS Hawaiian Volcano Observatory (HVO) and Hawai‘i County Civil Defense (HCCD) are working closely together to gather and share information about the June 27th lava flow through daily helicopter overflights.

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The June 27th lava flow, named for the date it began erupting, continues to advance to the northeast of its vent on the flank of Pu‘u ‘Ō‘ō on Kīlauea Volcano’s East Rift Zone.

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The Kahauale‘a 2 lava flow advanced yet again through late April and early May 2014. This period, however, was accompanied by more profound pressurization within the magma chamber beneath Kīlauea.

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