Categorized | Featured, Sci-Tech, Videos, Volcano

Volcano Watch: Kilauea activity update for October 11, 2012

[jwplayer config=”480×360-4:3″ mediaid=”74576″]
Time-lapse 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 night-time glow that was visible from the Jaggar Museum overlook and by HVO’s Webcam during the past week. The lava lake level rose to a new high stand, about 50 m (165 ft) below the floor of Halema`uma`u Crater, during a prolonged period of summit inflation that ended on October 9. As of this writing (October 11), the lava lake remains high, but the level could begin to fluctuate if back-to-back deflation-inflation events resume.

On Kilauea’s east rift zone, surface lava flows continued to accumulate at the base of the Pulama pali within the abandoned Royal Gardens subdivision. One branch extended seaward across the coastal plain, reaching 1.7 km (about 1 mile) from the shoreline on October 10, but was moving slowly. Within the Pu`u `O`o crater, the lava pond in the northeastern pit continued to circulate and was visible in the Webcam over the past week.

No earthquakes were reported felt in the last week below the island of Hawai`i.

Visit the HVO Web site (http://hvo.wr.usgs.gov) for detailed 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

[jwplayer config=”550×310-16:9″ mediaid=”74577″]
Time-lapse movie of the Peace Day Flow area

[jwplayer config=”550×310-16:9″ mediaid=”74578″]
Time-lapse movie of Pu‘u ‘O‘o Crater

Map showing the extent of lava flows erupted during Kilauea's ongoing east rift zone eruption and labeled with the years in which they were active. Episodes 1-48b (1983-1986) are shown in gray; episodes 48c-49 (1986-1992) are pale yellow; episodes 50-€“53 and 55 (1992-2007) are tan; episode 54 (1997) is yellow; episode 58 (2007-€“2011) is pale orange; the episode 59 Kamoamoa eruption (March 2011) is at left in light reddish orange; and the episode 60 Pu‘u ‘O‘o overflows and flank breakout (Mar-€“August 2011) are orange. The currently active Peace Day flow (episode 61) is shown as the two shades of red-€”light red is the extent of the flow from September 21, 2011, to October 4, 2012, and bright red marks the mapped flow expansion from October 4 to October 10. The active flow on the coastal plain is outlined in red. There have been flow margin changes upslope, in the upper part of Royal Gardens, which are not yet mapped and not shown on this map. The active lava tube is delineated by the yellow line within the active flow field. An incipient tube extends downslope to feed the currently active flows, but it has not been mapped. The contour interval on Pu‘u ‘O‘o is 5 m.

Map showing the extent of lava flows erupted during Kilauea’s ongoing east rift zone eruption and labeled with the years in which they were active. Episodes 1-48b (1983-1986) are shown in gray; episodes 48c-49 (1986-1992) are pale yellow; episodes 50-€“53 and 55 (1992-2007) are tan; episode 54 (1997) is yellow; episode 58 (2007-€“2011) is pale orange; the episode 59 Kamoamoa eruption (March 2011) is at left in light reddish orange; and the episode 60 Pu‘u ‘O‘o overflows and flank breakout (Mar-€“August 2011) are orange. The currently active Peace Day flow (episode 61) is shown as the two shades of red-€”light red is the extent of the flow from September 21, 2011, to October 4, 2012, and bright red marks the mapped flow expansion from October 4 to October 10. The active flow on the coastal plain is outlined in red. There have been flow margin changes upslope, in the upper part of Royal Gardens, which are not yet mapped and not shown on this map. The active lava tube is delineated by the yellow line within the active flow field. An incipient tube extends downslope to feed the currently active flows, but it has not been mapped. The contour interval on Pu‘u ‘O‘o is 5 m.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

 

Quantcast