Volcano Watch: Kilauea activity update for June 25, 2015


Time-lapse movie of Halemaumau Overlook Vent. June 18-25, 2015. Images courtesy of USGS/HVO


Time-lapse movie of Halemaʻumaʻu Overlook Vent from Hawaiian Volcano Observatory. June 18-25, 2015. Images courtesy of USGS/HVO


Time-lapse thermal image movie of Halemaumau Overlook Vent. June 18-25, 2015. Images courtesy of USGS/HVO


Time-lapse movie of Halemaumau Overlook Vent from the West Rim of Halemaumau Crater. June 18-25, 2015. Images courtesy of USGS/HVO

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


Time-lapse movie of Halemaumau Crater from the south rim. June 18-25, 2015. Images courtesy of USGS/HVO

Kīlauea’s summit lava lake level fluctuated over the past week with changes in summit inflation and deflation, but remained well below the rim of the Overlook crater vent. During the past week the lake ranged between 40 and 55 m (130–180 ft) below the current floor of Halemaʻumaʻu.

Kīlauea’s East Rift Zone lava flow continues to feed widespread breakouts northeast of Puʻu ʻŌʻō. Active flows are slowly overplating and widening the flow field, and remain within about 8 km (5 mi) of Puʻu ʻŌʻō.

No felt earthquakes were reported on the Island of Hawaiʻi in the past week.

Please visit the HVO website (hvo.wr.usgs.gov) for past Volcano Watch articles, Kīlauea daily eruption updates and other volcano status reports, current volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kīlauea summary update; email questions to askHVO@usgs.gov


Time-lapse movie from images gathered from a temporary thermal camera looking into Pu’u ‘O’o Crater. The temperature scale is in degrees Celsius up to a maximum of 500 Celsius (932 Fahrenheit) for this camera model, and scales based on the maximum and minimum temperatures within the frame. Thick fume, image pixel size and other factors often result in image temperatures being lower than actual surface temperatures. June 25, 2015. Images courtesy of USGS/HVO


Time-lapse movie of Pu’u ‘O’o Crater North Flank from the North Rim. June 18-25, 2015. Images courtesy of USGS/HVO

This satellite image was captured on Tuesday, June 23, 2015 by the Landsat 8 satellite. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures and show active lava. White areas are clouds.  The lava flow field is partly obscured by clouds, but the image shows much of the activity on the June 27th flow. Active breakouts are scattered over a wide area northeast of Puʻu ʻŌʻō, with the farthest active lava about 7.8 km (4.8 miles) from the vent on Puʻu ʻŌʻō.

This satellite image was captured on Tuesday, June 23, 2015 by the Landsat 8 satellite. Although this is a false-color image, the color map has been chosen to mimic what the human eye would expect to see. Bright red pixels depict areas of very high temperatures and show active lava. White areas are clouds.
The lava flow field is partly obscured by clouds, but the image shows much of the activity on the June 27th flow. Active breakouts are scattered over a wide area northeast of Puʻu ʻŌʻō, with the farthest active lava about 7.8 km (4.8 miles) from the vent on Puʻu ʻŌʻō.

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