Kilauea Eruption: Minimal volcanic activity at Fissure 8 and Kilauea summit

Hawaii County Civil Defense interactive map of roadblocks, subdivisions, and eruption fissures: hawaii247.com/lavamap

USGS Resources related to the 2018 Kilauea Lower East Rift Zone eruption and Summit Activity

Kīlauea Eruption Information Resources: www.hawaiicounty.gov/lava-rela…

Lavacam of Fissure 8 in Leilani Estates here.


Between mid-May and early August, 2018, the depth of Halema‘uma‘u more than tripled and its diameter more than doubled as magma from Kīlauea’s shallow summit reservoir moved into the lower East Rift Zone. Evidence of subsidence is visible in this video, taken during an early morning helicopter overflight on August 6, 2018. Cracks and down-dropped blocks of the caldera floor have slumped into Halema‘uma‘u. At the base of the steep crater walls are piles of talus (rock fragments) shaken loose during previous summit collapse events. Areas of persistent steaming within the crater, in the vicinity of the former lava lake, are also visible. Video courtesy of USGS/HVO

Kilauea Eruption Update

This is a Civil Defense Message for 6:30 a.m., Wednesday, August 8, 2018.

The Hawaiian Volcano Observatory reports that eruptive activity remains minimal at Kilauea Summit and at the lower east rift zone from fissure 8. Seismic activity at the summit is low with few earthquakes. Field crews overnight report a lava pond confined to fissure 8. HVO continues to monitor Kilauea for possible signs of reactivation.

The following guidelines remain in effect:

  • Do not access the flow field due to extreme hazard. Lava eruption could resume at any time.
  • Motorists on Highway 11 between the 28 and 32-mile marker are advised to stay on the pavement, be alert for changes in road conditions, and drive with caution.

The Disaster Recovery Center, located at the Pahoa Community Center is closed today due to Hurricane Hector.

The Pahoa Post Office is open during normal business hours with temporary Sunday hours from 10 a.m. to 2 p.m. for mail and package distribution only for residents in the affected areas. Mail delivery has resumed for areas where roadways have reopened. No retail services on Sunday.

For your safety, heed warnings from Civil Defense officials and stay alert.

Ocean entry laze

Due to the lava entry at the ocean, the following policies are in effect:

  • Access to the area is prohibited due to the laze hazard.
  • Stay away from any ocean plume since it can change direction without warning.
  • The U.S. Coast Guard is actively monitoring the ocean entry area and enforcing a 300-meter standoff zone. Only permitted tour boats are allowed in the area.
  • Health hazards of laze include lung, eye and skin irritation.
  • Be aware that the laze plume travels with the wind and can change direction without warning.

Get the latest Vog Predictions here: mkwc.ifa.hawaii.edu/vmap/

Sulfur Dioxide (SO2) and Vog

Click on image for a full description of air quality levels.

Click on image for full description of air quality levels.

Volcanic gas emissions remain elevated throughout the area downwind of the vents in lower Puna.

  • Severe conditions may exist such as choking and inability to breathe.
  • Sulfur Dioxide (SO2) gas from fissures are especially dangerous for elderly, children/babies and people with respiratory problems.

County, State, and Federal partners continue to monitor the situation. You will be informed of any conditions that affect your safety.

Monitor vog levels and forecasts: People on Hawaii Island outside the area of volcanic activity are also advised to monitor levels of vog at vog.ivhhn.org

The residents of Puna are going through a very difficult time. We ask for your help and understanding.

Illustration of Kīlauea Volcano from the summit caldera to the lower East Rift Zone (LERZ). Blue arrows = contraction across the upper and middle rift zone, black arrows = expansion in LERZ. Blue arrows indicate contraction across the upper and middle rift zone as magma withdrew from this area and moved down the rift zone beginning on April 30, 2018. Black arrows indicate expansion across the rift zone as magma intruded into the LERZ; the widening on about May 18, 2018. Also, beginning in early May, magma began moving from the summit reservoir into the East Rift Zone. Data sources used in this modeling are from the U.S. Geological Survey/ University of Hawaii, NASA, Jet Propulsion Laboratory, Japan Aerospace Exploration Agency/ and the European Space Agency.

Illustration of Kīlauea Volcano from the summit caldera to the lower East Rift Zone.

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