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Hawaii Volcano Observatory Update
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The following is the most recent Volcano Update from the Hawaii Volcano Observatory in the Hawaii Volcano National Park. This update is usually current on weekdays. For more detailed information and historical archives visit the HVO Website.

Alert Level: ADVISORY, Color Code: YELLOW 2024-12-10 20:15:05 UTC

HAWAIIAN VOLCANO OBSERVATORY WEEKLY UPDATE
U.S. Geological Survey
Tuesday, December 10, 2024, 10:15 AM HST (Tuesday, December 10, 2024, 20:15 UTC)


KILAUEA (VNUM #332010)
19°25'16" N 155°17'13" W, Summit Elevation 4091 ft (1247 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Activity Summary: Kīlauea volcano is not erupting. Seismicity at the volcano’s summit, East Rift Zone, and Southwest Rift Zone is low and deformation is steady.

Summit Observations:  Earthquake activity at Kīlauea's summit region was generally low over the past week. Overall, there were 120 earthquakes in the summit, all below magnitude-2.0. The tiltmeter at Uēkahuna, northwest of Kaluapele, the summit caldera, remained relatively flat with no significant changes over the past week. The tiltmeter at Sand Hill, southwest of Kaluapele, continues to show slow weak inflation (about 4 microradians over the past week). The most recent measurement of the sulfur dioxide (SO2) emission rate from the summit was approximately 70 tonnes per day on October 17, a value representative of noneruptive conditions at Kīlauea.

Rift Zone Observations:  Shallow earthquake counts in the upper and middle East Rift Zone (ERZ) have returned to low levels following the small uptick last week. There were approximately 70 located earthquakes in the middle ERZ, and approximately 70 in the upper ERZ as well, with most below magnitude-2.0. Deformation remains steady in the ERZ, as recorded by GPS instruments and tiltmeters. There are no indications of any changes downrift in the lower East Rift Zone.  

Analysis:  Kīlauea erupted briefly in and near Nāpau Crater from September 15–20, 2024. Lava flows from this eruption covered more than 880,000 square meters (217 acres) of Nāpau Crater and areas to the west. A webpage with eruption-related resources is available here: https://www.usgs.gov/observatories/hvo/science/september-2024-napau-eruption#overview

Since that most recent eruption, unrest has continued at low levels at the summit and on the ERZ of Kīlauea. Rates of seismicity and ground deformation have greatly decreased since the eruption, but geophysical data show that magma is continuing to move at a low rate into the volcano. Future intrusions and eruptions could occur with continued magma supply.

Hazards:  Near the recent middle East Rift Zone eruption site, minor to severe ground fractures and subsidence features may continue to widen and offset, may have unstable overhanging edges, and should be avoided. Hazards associated with the recent lava flows include glassy (sharp) surfaces that can cause serious abrasions and lacerations upon contact with unprotected or exposed skin; uneven and rough terrain that can lead to falls and other injuries; or, locally elevated levels of volcanic gases that can lead to breathing difficulty.

Hazards remain around Kīlauea caldera from Halemaʻumaʻu crater wall instability, ground cracking, and rockfalls that can be enhanced by earthquakes within the area closed to the public. This underscores the extremely hazardous nature of the rim surrounding Halemaʻumaʻu crater, an area that has been closed to the public since early 2008.

For discussion of Kīlauea hazards, please see: https://www.usgs.gov/observatories/hawaiian-volcano-observatory/hazards.

Updates:  HVO will issue weekly Kīlauea updates on Tuesdays until further notice. Additional messages will be issued as needed. HVO continues to closely monitor Kīlauea and is in contact with Hawai‘i Volcanoes National Park and the Hawai‘i County Civil Defense Agency.  Should volcanic activity change significantly, a Volcanic Activity Notice will be issued. Please see the Hawaiʻi Volcanoes National Park website for visitor information: https://www.nps.gov/havo/index.htm.



More Information:
Kīlauea activity summary also available by phone: (808) 967-8862
Kīlauea webcam images: https://www.usgs.gov/volcanoes/kilauea/webcams
Kīlauea photos/video: https://www.usgs.gov/volcanoes/kilauea/photo-video-chronology
Kīlauea lava-flow maps: https://www.usgs.gov/volcanoes/kilauea/maps
Kīlauea FAQs: https://www.usgs.gov/volcanoes/kilauea/faqs



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.



CONTACT INFORMATION:

askHVO@usgs.gov



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