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Kilauea volcano
Shield volcano 1277 m (4,190 ft)
Hawai'i, 19.43°N / -155.29°W
Current status: erupting (4 out of 5)
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Kilauea volcano eruptions:
Near-continuous eruptions. Since 1960: 1961 (4x), 1962, 1963 (2x), 1965 (2x), 1967-68, 1968 (2x), 1969, 1969-74, 1971 (2x), 1973 (2x), 1974 (3x), 1975, 1977, 1979, 1980, 1982 (2x), 1983-2018 (ongoing, incl. 1986, 1992, 1997, 2007, 2011 (3x)), 2018 (lower east rift zone in Leilani subdivision)
Typical eruption style:
Dominantly effusive since 1790, but ~60% explosive over past ~2500 years.
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Kilauea volcano sat by (C) NASA
Kilauea volcano sat by (C) NASA

 

Volcano news & updates: Kilauea volcano (Big Island, Hawaii)

Kilauea volcano update: East rift zone continues, ash emission from Halema'uma'u decreased

Thursday May 17, 2018 14:01 PM |

Satellite data show continued deflation of Kilauea's summit  This image is an #interferogram made from radar data collected by the Cosmo-SkyMed satellite constellation operated by the Italian Space Agency (@ASI_spazio). The colored fringes show #deformation of Earth's surface towards or away from the satellite. The more fringes that are clustered together, the more deformation has occurred. Each color cycle is equivalent to 1.5 cm (0.6 in) towards or away from the satellite.
Satellite data show continued deflation of Kilauea's summit This image is an #interferogram made from radar data collected by the Cosmo-SkyMed satellite constellation operated by the Italian Space Agency (@ASI_spazio). The colored fringes show #deformation of Earth's surface towards or away from the satellite. The more fringes that are clustered together, the more deformation has occurred. Each color cycle is equivalent to 1.5 cm (0.6 in) towards or away from the satellite.
Kīlauea Lower East Rift Zone Fissures and Flows, May 16 at 7:00 a.m. HST. Map shows the location of the lava flow spreading from fissure 17 as of 7:00 a.m. HST, May 16. The flow is following a path of steepest descent (blue line) south of a 1955 'a'ā flow. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015.
Kīlauea Lower East Rift Zone Fissures and Flows, May 16 at 7:00 a.m. HST. Map shows the location of the lava flow spreading from fissure 17 as of 7:00 a.m. HST, May 16. The flow is following a path of steepest descent (blue line) south of a 1955 'a'ā flow. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015.
Kilauea summit caldera

The most recent update from HVO/USGS on the continuing eruption of Kilauea volcano (Hawaii) stated that ash emission from the Overlook crater within Halema`uma`u has decreased. There is still an ash cloud rising up from Halema'uma'u an estimated 3 to 4,000 feet above the ground - altitudes varying with pulses of emission intensity - and drifting slowly northward from the Kilauea summit. Ashfall may occur in Hawai`i Volcanoes National Park and Volcano Village, those communities downwind that may receive ashfall should take necessary precautions.

HVO/USGS also reports that several magnitude 3 or stronger earthquakes occurred at shallow depth beneath Kilauea's summit today. The explosive eruption of 1924 at the Kilauea summit was also marked by hundreds of felt earthquakes as magma drained from the caldera. These earthquakes resulted in damage to some facilities within the National Park and seem related to cracks in Highway 11 near the entrance to Hawai`i Volcanoes National Park.

Both the earthquakes beneath the summit caldera and the cracks in highway 11 are likely the expression of the continued subsiding of the Kilauea summit caldera since the magma below it drained away downwards to the east rift zone. The whole caldera deflated and dropped more than 25 cm / 10 in between May 8-11 and likely has continued subsiding since then.

Kilauea Lower East Rift Zone

At the Leilani Estates division eruptive activity remains concentrated at fissure 17 but the spattering was decreasing in vigor. The advance of the flow has slowed significantly since yesterday afternoon and has now a total length of nearly 2.5 km (1.5 mile). Volcanic gas emissions remain elevated throughout the area downwind of the fissures. Continued northwest displacement of a GPS monitoring station indicates that magma continues to be supplied to the lower East Rift Zone. Elevated earthquake activity continues, but earthquake locations have not moved farther downrift in the past couple of days. (HVO/USGS)
Previous news
Wednesday, May 16, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Short-lived eruption of a new fissure (#21?) northeast of Leilani, between fissures #16 and #20
Wednesday, May 16, 2018
The eruption in the lower east rift zone continues with no significant changes. A new fissure has opened up probably during thge night between fissure #16 and #20 and erupted small amounts of lava with spattering during a few hours. ... [more]
Wednesday, May 16, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Wednesday, May 16, 2018
For the first time in a long time, HVO raised the official alert level of the volcano to RED. The reason is that as the summit reservoir of magma continues to drain, rockfalls and infiltrating water can cause increasingly violent explosions. ... [more]
At 2:30 p.m. HST, the flow front of Fissure 17 continues down slope. The barren, brown area to the right in the photograph is a lobe of the Kii Flow from the eruption of 1955. The Fissure 17 flow front is located approximately .7 miles makai of Highway 132 and is 1.4 miles mauka of Hwy 137. (image: HVO / USGS)
Tuesday, May 15, 2018
The eruption keeps evolving. While at least 3 more fissures with lava emission have opened up (making a total of at least 20 so far), most activity seems to be occurring from fissure #17, which had started to erupt last Saturday (12 May) and seems to be the one located most downrift (NE direction). ... [more]

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