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Kilauea volcano (Hawai'i): new eruption in summit caldera

Mon, 21 Dec 2020, 09:22
09:22 AM | BY: T
Weak glow is visible from the Kilauea caldera this morning (evening in Hawaii) (image: HVO / USGS)
Weak glow is visible from the Kilauea caldera this morning (evening in Hawaii) (image: HVO / USGS)
Earthquakes at Kilauea during the past week (image: HVO)
Earthquakes at Kilauea during the past week (image: HVO)
Location of this morning's quake near Kalapana
Location of this morning's quake near Kalapana
A new eruption started at Kilauea volcano in the evening of 20 Dec in Hawaii (local time). The volcano observatory reported:
"Shortly after approximately 9:30 p.m. HST, the USGS Hawaiian Volcano Observatory (HVO) detected glow within Halemaʻumaʻu crater at the summit of Kīlauea Volcano. An eruption has commenced within Kīlauea's summit caldera. The situation is rapidly evolving and HVO will issue another statement when more information is available."
During the past weeks, earthquakes had been more frequent under the caldera and the upper rift zone. They likely reflected magma intrusions at shallow level.
Shortly after the new eruption, observed less than two hours ago, a magnitude 4.3 quake struck the southern flank of the volcano, about 10 miles west of Kalapana. This quake might be related as a response to the new eruption, probably causing a small southwards movement of the southern flank of Kilauea, acting as adjustment for the additional space needed of the magma intrusion in the summit area.

Previous news

Wed, 16 Dec 2020, 06:00

Kilauea volcano (Hawaiian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 December-22 December 2020 (New Activity / Unrest)

HVO reported that a new eruption at Kilauea began on 20 December, after almost a month of pre-eruptive activity that included a dike intrusion. An earthquake swarm on 30 November centered in the middle of the caldera was recorded followed by periods of increased seismicity in the upper East Rift Zone. Spikes in seismicity began on 2 December; at 1745 earthquakes intensified beneath the S part of the caldera; tiltmeters simultaneously recorded accelerated deformation, resulting in about 8 cm of caldera floor uplift. ... Read all
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Kilauea volcano
Shield volcano 1277 m (4,190 ft)
Hawai'i, 19.41°N / -155.29°W
Current status: erupting (4 out of 5) 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 (incl. 1986, 1992, 1997, 2007, 2011 (3x)), 2018 (lower east rift zone in Leilani subdivision), 2020 (Dec) - ongoing
Typical eruption style
Dominantly effusive since 1790, but ~60% explosive over past ~2500 years.

Kilauea volcano tours

Oahu-Kauai-Maui-Hawai'i (USA)
Hawaii - Birthplace of Islands
14 days walking and study tour to Oahu, Kauai, Maui, Hawai'i
14 days / 13 nights - Moderate
Price 4990 €
no scheduled dates at present
4-week round-the-world trip to Hawaii - Vanuatu - New Zealand - Indonesia
25-28 days - Easy
Price on request
Custom and group dates
Big Island, Hawaiʻi (USA)
Pele´s Fire and Myths
7 days walking tour exploring Kilauea´s historic eruption sites, Hawai'i
7 days / 6 nights - Custom (variable)
Price $ 3470
Custom and group dates
Kilauea volcano sat by (C) NASA
Kilauea volcano sat by (C) NASA
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