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    All About Hawai'i Volcanoes and Earthquakes
    The Big Island of Hawai'i is composed of five volcanoes... Kohala, Mauna Kea, Hualālai, Mauna Loa, and Kilauea.

    Hualālai and Mauna Loa are expected to erupt again. Mauna Kea can still be active though there are no current indications. The current active volcano is Kilauea which has been spewing forth lava pretty much nonstop since it began - and is among the worlds most active volcanoes.

    Currently lava comes out at the Pu'u 'O'o vent inside the Hawai'i Volcanoes National Park. Depending on conditions the lava is quite often accessible and offers visitors an experience of a lifetime.

    Lava flowing from Pu'u 'O'o normally flows through lava tubes towards the ocean 6 miles away. About two miles before the ocean the lava encounters a 1,200 foot cliff which is flows over, and then two to three miles of coastal flats until it pours into the ocean. Often the lava is visible on the Pali (cliff), on the coastal flats, and at the ocean entry.

    In the huge Kilauea Summit caldera itself site Halema'uma'u Crater. On March 19, 2008, a vent opened in the crater causing a portion of Crater Rim Drive to be closed. The vent is still open but lava continues to remain below the surface of the vent.

    We have much to say about the volcano and the lava - this page lays out the various sections that you can visit.

    Be sure to read the section on Cautions and Warnings as it contains very important information about volcano safety.

    Cautions & Warnings
    Current Activity
    Earthquake Info
    Finding Hot Lava
    Cooking In Lava
    Fun With Lava
    Types Of Lava
    Lava Photo Gallery
    Pu'u 'O'o History


    Current Volcanic Activity

    The USGS Hawaiian Volcano Observatory located in the Hawai'i Volcanoes National Park provides a daily update of the eruption activity at Pu'u 'O'o and down on the coastal flats. This is a good place to check to see what is currently going on.

    We extract the daily report from USGS and have it for you below along with some of the most recent USGS pictures of the flow. Please visit the USGS website for more details and photographs.

    Kīlauea - Volcano Updates

    Kīlauea - Volcano Updates

    Alert Level: ADVISORY, Color Code: YELLOW 2021-09-21 20:01:19

    HAWAIIAN VOLCANO OBSERVATORY WEEKLY UPDATE
    U.S. Geological Survey
    Tuesday, September 21, 2021, 10:01 AM HST (Tuesday, September 21, 2021, 20:01 UTC)


    KILAUEA VOLCANO (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. Following the recent intrusion of magma beneath the surface in the area south of Kīlauea caldera, which slowed substantially on August 30, earthquake rates and ground deformation in this area have remained near pre-intrusion levels. Other monitoring data streams, including sulfur dioxide emission rates and webcam views, show no significant changes.

    Summit Observations: Over the past week, 25 small-magnitude earthquakes—all below M2.5—were detected beneath the summit region of Kīlauea. These earthquakes occurred approximately 1-3 kilometers (0.6-1.9 miles) below ground level near Halema‘uma‘u. There has been no notable seismic activity in the vicinity of the recent intrusion. Since August 30, tiltmeters have not detected any substantial ground deformation in the summit region. These observations suggest that the supply of new magma to the intrusion has stopped.

    Sulfur dioxide (SO2) emission rates remain at very low levels that have persisted since May 2021, when the most recent summit eruption ended. The latest SO2 emission rates—measured on September 14—were 55 tonnes per day, close to levels associated with the non-eruptive period from late 2018 to late 2020 (less than 50 tonnes per day). The present rates are significantly lower than the average of over 800 tonnes per day that prevailed from mid-February to mid-April when the Kīlauea summit eruption was ongoing.

    Halemaʻumaʻu Lava Lake Observations: The surface of Halema‘uma‘u lava lake, which was actively erupting from December 2020 through May 2021, remains covered by stagnant and solidified lava crust. Currently, there are no indications of the Halema‘uma‘u vent resuming eruption.

    East Rift Zone Observations: No unusual activity has been noted in the Kīlauea East Rift Zone. Ground deformation motion suggests that refilling of the upper East Rift Zone—between the summit and Puʻuʻōʻo -- may have slowed slightly since the recent August intrusion. SO2 and hydrogen sulfide (H2S) emissions from Puʻuʻōʻō were below instrumental detection levels when last measured on January 7, 2021.

    Hazard Analysis: Levels of volcanic gas—SO2 and carbon dioxide (CO2)—can remain locally hazardous even though Kīlauea is not erupting. Overall SO2 gas emissions are low, but local concentrations of SO2 or H2S may persist in downwind areas, and residents may from time to time notice odors of these gasses. Significant hazards also remain around Halemaʻumaʻu from crater wall instability, ground cracking, and rockfalls that are enhanced by earthquakes within the area closed to the public.

    Vog information can be found at https://vog.ivhhn.org/.

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

    HVO will continue to issue weekly Kīlauea Volcano 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

    ----------
    Subscribe to these messages: https://volcanoes.usgs.gov/vns2/

    Summary of volcanic hazards from eruptions: https://www.usgs.gov/observatories/hawaiian-volcano-observatory/hazards

    Recent earthquakes in Hawaiʻi (map and list): https://www.usgs.gov/observatories/hawaiian-volcano-observatory/earthquakes

    Explanation of Volcano Alert Levels and Aviation Color Codes: https://www.usgs.gov/natural-hazards/volcano-hazards/about-alert-levels

    CONTACT INFORMATION:

    askHVO@usgs.gov

    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.

     



    Volcano Books and Videos

    coverBook: Chasing Lava: A Geologist's Adventures at the Hawaiian Volcano Observatory
    coverBook: Hawai'i's Volcanos: Legends and Facts
    coverBook: Hawai'i Volcano Watch: A Pictorial History, 1779-1991
    coverBook: Mauna Loa: World's Largest Active Volcano
    coverBook: Hawai'i's Kilauea Volcano: The Flow to the Sea
    coverVideo: Volcano - Fountains of Fire
    coverVideo: Lava Flows and Lava Tubes
    coverVideo: 2003 Eruption Update: A Firsthand Account of the Current Eruption of Kilauea Volcano
    coverVideo: 2004 Eruption Update: A Firsthand Account of the Current Eruption of Kilauea Volcano

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