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mount kilauea eruption

Around 3:00 a.m. HST today (June 8), lava fountains erupting from fissure 8 on Kīlauea Volcano's Lower East Rift Zone were reaching heights of 180–220 feet. For forecasts of where ash would fall if such an explosion occur, please consult the Ash3D model output here: Information on ash hazards and how to prepare for ashfall maybe found here: Moderate-level eruption of lava continues from multiple points along the central and northeast end of the active fissure system. In the past two days, about 152 magnitude-2 and magnitude-3 earthquakes occurred at depths less than 5 km (3 miles) beneath the summit area. Rates of seismicity and deformation changed little throughout the day. Field crew estimates are an advance of only 100 yards. Volcanic gas emissions remain very high from the fissure eruptions. Volcanic gas emissions at the summit remain high. The ocean entry remained fairly broad with laze blown onshore. During this morning's overflight, the wind was blowing the "laze" plumes along the shoreline toward the southwest. Fissure 8 feeds lava into the well-established channel that flows to the ocean. As the lava lake level inside Halemaʻumaʻu drops, rockfalls from the enclosing walls may increase in frequency prompting explosions of spatter from the lake onto the nearby crater rim and lofting plumes of ash. White, hot vapor and blue fumes emanated from an area of cracking in the eastern part of the subdivision. An HVO geologist uses a thermal camera to measure the temperature (about 93 degrees C or 200 degrees F) of a ground crack near fissure 9. Vigorous eruption of lava continues from the lower East Rift Zone (LERZ) fissure system in the area of Leilani Estates. Upslope, short-lived overflows occur periodically but generally do not travel beyond the existing flow field. Hard to discern here, but there are two entries. Kīlauea Volcano SummitAT 1:13 PM HST, a collapse/explosion event occurred at the summit of Kīlauea Volcano. Elevated summit sulfur dioxide emission rates persist. Volcanic gas: Vog or volcanic air pollution produced by volcanic gas has been reported in Pahala. Small overflows from the channel are occurring along its length, including in a few places near the intersection of Highway 132 and Pohoiki road. Learn more at https://volcanoes.usgs.gov/volcanoes/kilauea/status.html. Ash continued to erupt intermittently from the vent within Halemaʻumaʻu crater at Kīlauea's summit. The fountain has built a 35 m (115 ft) high cone, and an actively-growing spatter rampart on its eastern side. https://volcanoes.usgs.gov/volcanoes/kilauea/multimedia_chronology.html. Wind conditions are changing and may bring VOG to the central, south, and western parts of the Island of Hawaii. The lava flow front is rather broad at the coast and lava is entering the ocean at a single point with an upwelling area offshore and with laze blown onshore. Fissure 8 fountaining persisted throughout the night, and the channelized flow continued to deliver lava northeast along Highway 132 to the Kapoho area. The video shows the fissure 8 lava fountain feeding a channelized lava flow that travels northeast around the Kapoho cone, and then flows toward the south to enter the ocean at Kapoho Bay and Vacationland. http://www.hawaiicounty.gov/active-alerts/. Gas emissions remain elevated in the vicinity of fissures. Tremor amplitude is fluctuating with lava lake spattering. (see large map). Kīlauea Volcano Lower East Rift ZoneVigorous eruption of lava continues from the lower East Rift Zone fissure system in the area of Leilani Estates and Lanipuna Gardens. Seismic levels, which abruptly decreased after the recent explosive eruptions, are again slowly increasing. Returning trade wind conditions are expected to bring VOG to the southern and western parts of the Island of Hawaii. Gas emissions were recently measured to be nearly twice the value of the past two weeks. This may cause changes downslope in the channel system and the ocean entry. Earthquake activity in the summit remains at elevated levels. Kīlauea Volcano Lower East Rift ZoneThe eruption of lava continues from the lower East Rift Zone (LERZ) in Leilani Estates. Inward slumping of the rim and walls of Halemaʻumaʻu continues in response to ongoing subsidence at the summit. Inward slumping of the rim and walls of Halema`uma`u continues in response to ongoing subsidence at the summit. The crater now has a funnel-shape geometry with a deeper cylindrical shaft. The lava flow front is about 0.5 miles wide. Only a few earthquakes located yesterday in the rift zone. The Fissure 18 flow also remained active, moving downslope toward Highway 137 at rates of much less than 100 yards per hour. The ocean entry remained fairly broad with laze blown onshore. Additional explosive events that could produce minor amounts of ash fall downwind are possible at any time. Volcanic gas emissions remain very high from the fissure eruptions. Even though weather has obscured visual observations of the ongoing summit explosions, HVO scientists are able to track them using signals from monitoring instruments, such as seismometers. However, earthquake activity and ground deformation continue and additional outbreaks in the general area of Leilani Estates are expected. On Camera: Jessica Ball, USGS Volcanologist. The delta that formed at Kapoho Bay extended slightly throughout the day, and a lateral lobe of the flow is pushing slowly north through what remains of the Kapaho Beach Lots subdivision. Residents are urged to minimize exposure to these volcanic particles, which can cause skin and eye irritation similar to volcanic ash. Fountain heights exceeded 200 feet and secondary fountains reached heights of 60 feet. About midday, minor amounts of lava spilled over the channel levees but did not advance very far. HVO field crews are on site tracking the lava flows and spattering from multiple fissures as conditions allow and reporting information to Hawaii County Civil Defense. Communities downwind are likely to receive ashfall today and should take necessary precautions. Lava from Fissure 8 continues to flow through the well-established channel to the ocean at Kapoho, with rare, small overflows of the channel levees. At 21:53 PM HST, the flow front was approximately 1.1 miles from the Four Corners area (the intersection of Highways 132 and 137). Pele's hair and other lightweight volcanic glass fragments from the lava fountain at Fissure 8 continue to fall downwind of the fissure, dusting the ground within a few hundred meters (yards) of the vent.. High winds may waft lighter particles to greater distances. Lava flows did not advance more than about 10 m (33 ft) from the fissure. The base is a copyrighted color satellite image (used with permission) provided by Digital Globe. The morning overflight confirmed these observations and revealed minor overflows from the channel. More energetic ash emissions are possible if explosive activity commences. Lava fountaining at Fissure 8 is continuing with fountain heights reported at 150-180 feet. A helicopter overflight of Kīlauea Volcano's lower East Rift Zone on June 6, 2018, around 5:00 pm.m HST documented lava-seawater interactions at the ocean entry and the formation of a white plume called laze. This thermal map clearly shows the flow spreading northward (top) from fissure 8 during an overflight of the area. Volcanic gas emissions remain very high from these fissure eruptions. This image shows radar data acquired by the European Space Agency's Sentinel-1 satellite over Kīlauea Volcano on May 19 at 6:30 PM HST (left) compared to May 25 at 6:30 PM HST (right). The most active fissures have been 22,19, 6, 5, and 23. USGS Hawaiian Volcano Observatory, Status of Kīlauea Volcano, June 13, 2018, Jessica Ball, USGS Volcanologist. The overall width of the flow boundary at the coast is about 1.5 miles across. Pele's hair and and other lightweight volcanic glass from high fountaining of Fissure 8 are falling to the west of the fissure and accumulating on the ground within Leilani Estates. Elevated earthquake activity in the summit area is continuing following Friday's magnitude-6.9 earthquake and as the summit area continues deflating and rockfalls continue within the Overlook vent. Volcanic gas emissions at the summit remain high. Overnight, lava fountaining at Fissure 8 continue to reach heights of about 220 feet. View more detail at  www.usgs.gov/media/images/thirty-days-activity-k-lauea-volcano. USGS/HVO continues to monitor the situation 24/7 in coordination with Hawaii County Civil Defense and other authorities. Inward slumping of the rim and walls of Halemaʻumaʻu continues in response to ongoing subsidence at the summit. There have been no ash emissions since early this morning; however, seismicity at the summit is increasing. A laze plume at the ocean entry was blown onshore this morning, and areas of upwelling offshore were present. The central feature of Hawaii Volcanoes National Park , Kilauea (“Much Spreading” in Hawaiian), is an elongated dome built of lava eruptions from a central crater and from lines of craters extending along east and southwest rifts, or fissures. As of this morning, three separate fissures have opened in the eastern portion of Leilani Estates. Small overflows were observed on the north side of the channel near Pohoiki Road overnight and this morning, but stalled in the afternoon. Additional explosive events that could produce minor amounts of ashfall downwind are possible at any time. Kīlauea Volcano SummitAsh continued to erupt intermittently from the vent within Halemaʻumaʻu crater at Kīlauea's summit. Several smaller ash emissions have also taken place. This afternoon, lava fountains from Fissure 8 spatter cone pulsed to heights of 180 ft at times. The flow field is relatively stable with little change to its size and shape for the past few days. Vacationland has been completely covered by lava, and overnight the flow expanded north by 100 m within Kapoho Beach Lots. The current activity has been sustained for 38 days now, 2 days longer than the last fissure eruption that occurred in this area in 1960. From its peak on May 2 to the most recent measurement at 9 pm on May 6, the lava lake surface dropped a total of more than 200 m (656 ft). Kīlauea Volcano Lower East Rift ZoneEruption of lava continues in the area of Leilani Estates and Lanipuna Gardens. Fissures 6, 15, and 16 are periodically oozing lava and steaming. Kīlauea Volcano SummitFollowing this morning's small explosion at Kīlauea's summit, earthquake activity returned to low levels for much of the day, but began a steady increase by this late afternoon. Rockfalls from the crater walls into the retreating lake produced ashy plumes above Halemaumau crater , resulting in light ashfall in the summit area. Moderate trade winds were blowing to the southwest and light ash fall likely occurred in downwind locations. Two prominent entries are creating vigorous steam plumes. After the explosive eruption early this morning seismic levels have been gradually increasing, but as of this report no additional explosions have occurred. Lava fountaining at Fissure 8 continues unabated with fountain tops reported between 170-200 feet. The series shows changes to the caldera area of Kīlauea Volcano that occurred over May 5 at 6:12 a.m. HST, May 17 at 6:12 a.m. HST, May 21 at 6:12 a.m. HST, and May 29 at 6:12 a.m. HST. In case you missed the HVO Updates this weekend: Overflows of the upper fissure 8 lava channel this morning sent small flows of lava down the levee walls. Resources on volcanic ash hazards and preparedness information: https://volcanoes.usgs.gov/volcanic_ash/ OR http://www.ivhhn.org/ash-protection, National Weather Service ashfall information and advisories: https://forecast.weather.gov/. The most recent map of lava flows can be found here: https://volcanoes.usgs.gov/volcanoes/kilauea/multimedia_maps.html. The three closely spaced lava fountains at fissure 8 reached maximum heights of 115-130 feet overnight. Residents of the Kīlauea summit area should learn about the hazards of ashfall, stay informed of the status of the volcano and area closures, and review family and business emergency plans. Fissure 8 lava fountains continue to reach heights of 200 ft from within the growing cone of cinder and spatter, which is now about 160 ft at its highest point.

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