Categorized | Sci-Tech

Volcano Watch: Kilauea activity update for week of Aug. 5

(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.) 

Lava continues to erupt from the TEB vent on Kilauea’s east rift zone and flow through tubes to the ocean at Waikupanaha. Breakouts from the tube on the pali have been supplying surface flows in the Royal Gardens area. 

Over the last week, the Waikupanaha ocean entry has had small littoral explosions. 

After a month of darkness, faint glow returned to the vent at Kilauea’s summit on Aug. 9, following the opening of a small gas vent deep within the cavity in Halemaumau crater. 

Volcanic gas emissions remain elevated, resulting in high concentrations of sulfur dioxide downwind. 

Four earthquakes beneath Hawaii Island were reported felt this past week. 

A magnitude-3.1 earthquake occurred at 8:39 p.m. Thursday, Aug. 6 and was located 6 miles WNW of Kaena Point at a depth of 6.2 miles. 

Two magnitude-2.8 earthquakes occurred N and NW of Hualalai summit Aug. 8 at 10:12 p.m. and Aug. 12 at 5:19 p.m.; both were deeper than 15.5 miles. 

A magnitude-1.9 earthquake at 7:35 p.m. Monday, Aug. 10, was located 8 miles NNW of Mauna Kea summit at a depth of 15 miles. 

Visit the HVO Website (hvo.wr.usgs.gov) for detailed Kilauea and Mauna Loa activity updates, recent volcano photos, recent earthquakes, and more; call 967-8862 for a Kilauea summary; email questions to askHVO@usgs.gov.

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