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Volcano Watch: Kilauea activity update for June 19, 2014


Time-lapse movie of Halemaumau Crater (6/12/14-6/19/14)


Thermal image movie of Halemaumau Crater (6/12/14-6/19/14)


Halemaʻumaʻu Overlook Vent from HVO (6/12/14-6/19/14)


KÄ«lauea Caldera from HVO (6/12/14-6/19/14)

Spattering was occurring at three locations along the edge of the lava lake during the June 17, 2014 overflight. Spattering like this is common, can occur anywhere around the lake margin (though it most often occurs at the southeast edge), and repeatedly starts and stops. View is toward the southeast. Photo courtesy of USGS/HVO

Spattering was occurring at three locations along the edge of the lava lake during the June 17, 2014 overflight. Spattering like this is common, can occur anywhere around the lake margin (though it most often occurs at the southeast edge), and repeatedly starts and stops. View is toward the southeast. Photo courtesy of USGS/HVO

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

The summit lava lake, its surface composed of solidified plates separated by incandescent seams, was about 42 m (138 ft) below the floor of Halemaʻumaʻu June 17, 2014. The mostly destroyed visitor overlook is at the left side of the photo, on the rim of Halemaʻumaʻu. View is toward the West. Photo courtesy of USGS/HVO

The summit lava lake, its surface composed of solidified plates separated by incandescent seams, was about 42 m (138 ft) below the floor of Halemaʻumaʻu June 17, 2014. The mostly destroyed visitor overlook is at the left side of the photo, on the rim of Halemaʻumaʻu. View is toward the West. Photo courtesy of USGS/HVO

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week. The lava lake level rose slightly, reaching about 36 m (118 ft) below the rim of the Overlook crater by Thursday, June 19.

On Kīlauea’s East Rift Zone, the Kahauale‘a 2 flow remains active. The flow front stalled at 8.8 km (5.5 miles) northeast of its vent on Pu‘u ‘Ō‘ō in mid-May. On Tuesday, June 17, the most distant active flows were 7.0 km (4.3 miles) northeast of Pu‘u ‘Ō‘ō. In addition, several small spatter cones within the Pu‘u ‘Ō‘ō crater continued to produce glow.

There was one earthquake reported felt in the past week across the Hawaiian Islands. On Tuesday, June 17, 2014, at 6:05 p.m., HST, a magnitude-2.4 earthquake occurred 4 km (2.5 mi) southwest of Captain Cook at a depth of 13 km (8 mi).

Visit the HVO Web site (http://hvo.wr.usgs.gov) for Volcano Awareness Month details and Kilauea, Mauna Loa, and Hualalai activity updates, recent volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kilauea summary; email questions to askHVO@usgs.gov.

Map showing the Kahaualeʻa 2 flow (pink) in relation to the eastern part of the Island of Hawaiʻi as of June 17, 2014. Red stars mark the fronts of the active breakouts—the most distant was 7.0 km (4.3 miles) straight-line distance northeast of Puʻu ʻŌʻō. Older lava flows are distinguished by color: 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; episodes 58–60 flows (2007–2011) are pale orange, and episode 61 flows (2011–2013) are reddish orange. The active lava tube is shown with a yellow line (dashed where its position is poorly known).

Map showing the Kahaualeʻa 2 flow (pink) in relation to the eastern part of the Island of Hawaiʻi as of June 17, 2014. Red stars mark the fronts of the active breakouts—the most distant was 7.0 km (4.3 miles) straight-line distance northeast of Puʻu ʻŌʻō. Older lava flows are distinguished by color: 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; episodes 58–60 flows (2007–2011) are pale orange, and episode 61 flows (2011–2013) are reddish orange. The active lava tube is shown with a yellow line (dashed where its position is poorly known).

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