East Rift Zone Eruption Update, 21 July 2018

Accessed on 22 July 2018, 0330 UTC, Post #17264.


Email message from the Hawaii County Civil Defense Agency.


Here’s the current eruption and lava flow information from the Hawaii County Civil Defense Agency:

“A message from COUNTY OF HAWAII

This is a Civil Defense Message for Saturday, July 21 at 4:00 in the afternoon.

The Hawaiian Volcano Observatory reports that eruption activity continues from Fissure 8 into the lava channel flowing to the ocean entry at Ahalanui producing a large laze plume.  As of this morning’s overflight report, the southern margin of the flow is approximately 0.25 miles from Isaac Hale/Pohoiki Boat Ramp.  Earthquakes continue at the Kilauea summit.

On roadway updates for the Volcano area, State Highways reports that a speed limit of 25 miles per hour is in effect on Highway 11between the 28 and 30 Mile Markers due to cracks in the road.  Motorists are advised to stay on the pavement and be on the alert for changing roadway conditions.

The following policies remain in effect:

  • Do not access the active flow field due to extreme hazard.  Be aware that channel overflows and breakouts are possible on the active flow field.
  • The ocean entry continues to produce a “laze” plume.  Take precautions and stay out of the plume to avoid exposure to hydrochloric acid and glass particles which can irritate the skin, eyes, and lungs.
  • Residents are reminded to check utility connections of gas, water and electricity after earthquakes.

We are on watch 24-hours a day for your safety


This is your Hawaii County Civil Defense Agency.”

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Until next time,

Russ Roberts