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Volcano Watch: Kilauea activity update for August 28, 2013

The Hawaiian Volcano Observatory and Jaggar Museum are located near the summit of Kīlauea and are visible atop the cliff to the right. They are about 2 km (1.25 miles) north-northwest of the lava lake in Halemaʻumaʻu, fuming (but not directly visible) at the left edge of the photo. Photo courtesy of USGS/HVO

The Hawaiian Volcano Observatory and Jaggar Museum are located near the summit of Kīlauea and are visible atop the cliff to the right. They are about 2 km (1.25 miles) north-northwest of the lava lake in Halemaʻumaʻu, fuming (but not directly visible) at the left edge of the photo. Photo courtesy of USGS/HVO


Time-lapse movie of Halemaumau overlook vent


Time-lapse thermal image movie of Halemaumau overlook vent

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

A lava lake within the Halema`uma`u Overlook vent produced nighttime glow that was visible from the Jaggar Museum overlook and via HVO’s Webcam during the past week. Back-to-back deflation-inflation cycles (DI events) during the week caused the summit lava lake level to fluctuate sympathetically.

On Kilauea’s East Rift Zone, small active breakouts from the Peace Day tube are scattered widely across the coastal plain, but lava is no longer entering the ocean. Above the pali, the Kahauale`a 2 flow, fed from a spatter cone on the northeast edge of the Pu`u `O`o crater, is now the dominant east rift zone eruptive activity. It continues to burn forest north of Pu`u `O`o.

There were no felt earthquakes in the past week across the Island of Hawai`i.


Time-lapse movie of the Peace Day Flow area

Map showing Kīlauea’s east rift zone flow field as of August 27, 2013. The active Peace Day flow, which is carrying lava to the coastal plain (but no longer into the ocean), is light orange. The inactive Kahaualeʻa flow from early 2013 is pink. The active Kahaualeʻa 2 flow north of Puʻu ʻŌʻō is shown in shades of red, with light red showing the flow area on August 16, and bright red showing flow expansion since then. Older lava flows are labeled with the years in which they were active. Episodes 1–48b flows (1983–1986) are shown in gray; episodes 48c–49 flows (1986–1992) are pale yellow; episodes 50–55 flows (1992–2007) are tan; and episodes 58–60 flows (2007–2011) are pale orange. The active lava tubes are shown with yellow lines.

Map showing Kīlauea’s east rift zone flow field as of August 27, 2013. The active Peace Day flow, which is carrying lava to the coastal plain (but no longer into the ocean), is light orange. The inactive Kahaualeʻa flow from early 2013 is pink. The active Kahaualeʻa 2 flow north of Puʻu ʻŌʻō is shown in shades of red, with light red showing the flow area on August 16, and bright red showing flow expansion since then. Older lava flows are labeled with the years in which they were active. Episodes 1–48b flows (1983–1986) are shown in gray; episodes 48c–49 flows (1986–1992) are pale yellow; episodes 50–55 flows (1992–2007) are tan; and episodes 58–60 flows (2007–2011) are pale orange. The active lava tubes are shown with yellow lines.

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