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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 2024-03-26 19:01:39 UTC

HAWAIIAN VOLCANO OBSERVATORY WEEKLY UPDATE
U.S. Geological Survey
Tuesday, March 26, 2024, 9:01 AM HST (Tuesday, March 26, 2024, 19:01 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. Low-level seismicity continues beneath the summit and Southwest Rift Zone, while rates of ground deformation remain low.

 

Summit Observations:  Low levels of seismicity continue beneath Kīlauea's summit. During the past week, the rate of earthquakes here were slightly increased over last week, but daily earthquake counts remain well below those detected during the January–February intrusion or prior to recent summit eruptions. At this time, earthquake depths beneath the summit are primarily 0.3–1.6 miles (0.5–2.5 kilometers) below the surface, and magnitudes are typically below M2.0.

Ground deformation continues at low rates across Kīlauea, with tiltmeters near Uēkahuna and Sand Hill—respectively northwest and southwest of the summit caldera—showing only modest changes over the past week.

Sulfur dioxide (SO2) gas emissions have remained at low, noneruptive levels since October 2023. An SO2 emission rate of approximately 90 tonnes per day was recorded on March 19.

An Information Statement about the recent intrusion in late January and early February can be found here: USGS Volcano Notice - DOI-USGS-HVO-2024-02-09T05:11:03+00:00.

 

Rift Zone Observations:  Low levels of seismicity continue beneath Kīlauea's Southwest Rift Zone. During the past week, the rate of earthquakes here saw a very slight increase over previous weeks, but daily earthquake counts remain well below those detected during the January–February intrusion. No unusual activity has been noted along the East Rift Zone. We continue to closely monitor both rift zones.

Measurements from continuous gas monitoring stations downwind of Puʻuʻōʻō in the middle East Rift Zone—the site of 1983–2018 eruptive activity—remain below detection limits for SO2, indicating that SO2 emissions Puʻuʻōʻō are negligible.

 

Hazard Analysis:  Levels of volcanic gases (sulfur dioxide and carbon dioxide) can remain locally hazardous even when Kīlauea is not erupting. Local concentrations of sulfur dioxide (SO2) and/or hydrogen sulfide (H2S) may persist in downwind areas, and residents may notice odors of these gases occasionally. Significant hazards also remain around Halemaʻumaʻu from crater wall instability, ground cracking, and rockfalls that can be enhanced by earthquakes within the area closed to the public. For discussion of Kīlauea hazards, please see: https://www.usgs.gov/observatories/hawaiian-volcano-observatory/hazards.

 

Please see the Hawaiʻi Volcanoes National Park website for visitor information: https://www.nps.gov/havo/index.htm.

 

The Hawaiian Volcano Observatory (HVO) continues to closely monitor Kīlauea Volcano. 

Next Notice:  HVO will issue weekly Kīlauea updates on Tuesdays until further notice. Additional messages will be issued as needed. 



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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