page_title: Puʻu ʻŌʻō
section_title: 2018: Activity at Pu‘u ‘Ō‘ō stops; eruption shifts to the Lower East Rift Zone
hierarchical_section_title: Puʻu ʻŌʻō / Geologic history / 2018: Activity at Pu‘u ‘Ō‘ō stops; eruption shifts to the Lower East Rift Zone
caption_attribution_description: English: While HVO geologists were working on Pu‘u ‘Ō‘ō, a magnitude-5.0 earthquake shook the ground around the cone. Moments later, a collapse occurred in the crater of Pu‘u ‘Ō‘ō, creating a robust, reddish-brown ash plume.
context_page_description: Puʻu ʻŌʻō is a volcanic cone in the eastern rift zone of the Kīlauea volcano of the Hawaiian Islands. Until the end of April 2018, Puʻu ʻŌʻō had been erupting nearly continuously since January 3, 1983, making it the longest-lived rift-zone eruption of the last two centuries.
  By January 2005, 2.7 cubic kilometers of magma covered an area of more than 117 square kilometers and added 230 acres of land to the southeast coast of Hawaiʻi. The eruption claimed at least 189 buildings and 14 kilometers of highways, as well as a church, a store, the Wahaʻula Visitor Center, and many ancient Hawaiian sites, including the Wahaʻula heiau. The coastal highway has been closed since 1987, as parts of the road have been buried under lava up to 35 meters thick.
context_section_description: On April 30, 2018, the Pu‘u ‘Ō‘ō crater floor collapsed, as lava drained out and flowed underground approximately 10 miles downrift. Residents in the Puna area, located on southeast coastline of the island were asked to evacuate. On May 3, 2018, the Pacific Tsunami Warning Center reported a 4.6 magnitude earthquake off the south flank of the volcano. The USGS reported that there were nearly 70 earthquakes of magnitude 2.5 or stronger from Tuesday, May 1 to Wednesday, May 2. On May 3, fissures opened up at the Leilani Estates, and the new fissures from the lower Puna eruption replaced the 61g flow as the active area of eruption. Afterward, work resumed to make the Chain of Craters Road passable, as an evacuation route for nearby threatened areas.
  The USGS believed that it is unlikely that magma will return to Pu‘u ‘Ō‘ō, but also noted that Pu‘u ‘Ō‘ō has seen pauses in activity for as long as six years in the past, during which time activity shifted to other vents at Kīlauea.
caption: Collapse in the crater of Pu‘u ‘Ō‘ō,[15] creating an ash plume (May 3, 2018)
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