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Tue, Feb. 7, 2023-1:16:45pm
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Tue, Feb 7, 2023 - 1:20pm |
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HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE U.S. Geological Survey Tuesday, February 7, 2023, 9:20 AM HST (Tuesday, February 7, 2023, 19:20 UTC) |
KILAUEA VOLCANO (VNUM #332010) 19°25'16" N 155°17'13" W, Summit Elevation 4091 ft (1247 m) Current Volcano Alert Level: WATCH Current Aviation Color Code: ORANGE |
Activity Summary: The summit eruption of Kīlauea Volcano, within Halemaʻumaʻu crater, continued over the past 24 hours. All recent eruptive activity has been confined to the crater. No significant changes have been observed at the summit or in either rift zone. Halemaʻumaʻu Lava Lake Observations: Eruption of lava in four locations of Halemaʻumaʻu crater floor continued over the past 24 hours. The eastern lake remains stable and activity within this lake remains about 25 acres in size. The small southern lava fountain within the eastern lake is active and remains at normal heights of 1-2 m (3-6 ft). The smaller western lake in the basin of the 2021–2022 lava lake as well as the two smaller lava ponds in the central and south portions of the crater floor remain active and unchanged, with no overflows in the past day. The large breakout on the northern portion of the crater floor remained weakly active over the past 24 hours. A live-stream video of the lava lake is available at: https://www.youtube.com/usgs/live. Summit Observations: Summit tiltmeters remain flat (no inflationary or deflationary trends) over the past day. Volcanic tremor remains above background levels. A sulfur dioxide (SO2) emission rate of approximately 2,800 tonnes per day (t/d) was measured on February 6, 2023. Rift Zone Observations: No unusual activity has been noted along the East Rift Zone or Southwest Rift Zone; steady rates of ground deformation and seismicity continue along both. Measurements from continuous gas monitoring stations downwind of Puʻuʻōʻō in the middle East Rift Zone have been below detection limits for SO2, indicating that SO2 emissions from Puʻuʻōʻō are negligible.
More Information: The Hawaiian Volcano Observatory is one of five volcano observatories within the U.S. Geological Survey and is responsible for monitoring volcanoes and earthquakes in Hawaiʻi and American Samoa. |
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U.S. Geological Survey Hawaiian Volcano Observatory (HVO).
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