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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.

    HAWAIIAN VOLCANO OBSERVATORY WEEKLY UPDATE
    U.S. Geological Survey
    Tuesday, July 27, 2021, 8:36 AM HST (Tuesday, July 27, 2021, 18:36 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 currently erupting. No surface activity has been observed by field crews or in webcam images since May 23, 2021. Seismicity has deceased in the past week while summit inflation has continued over the past several months. Sulfur dioxide (SO2) emission rates are close to the low levels associated with the non-eruptive period from late 2018 to late 2020. It is possible that the Halema‘uma‘u vent could resume eruption or that Kīlauea is entering a longer period of quiescence prior to the next eruption.

    Summit Observations: The latest field visit to Halema‘uma‘u and Kīlauea caldera on July 22 confirmed continued fumarole degassing and no changes to the crater floor. SO2 emission rates continue to be low, consistent with a return to non-eruptive period from late 2018 to late 2020 (30-35 t/d) and are well below emission rates from mid-February to mid-April (~800 t/d). Summit tiltmeters recorded continued gradual inflation but no deflation-inflation events occurred in the past week. Continued inflation was also recorded by summit GPS instruments, a pattern that has persisted for several months. Seismicity decreased in the past week.

    Halemaʻumaʻu Lava Lake Observations: The lake’s surface is completely covered by solidified lava crust and no surface activity has been observed over the past week.

    East Rift Zone Observations: Seismicity persisted along the upper East Rift Zone at slightly elevated levels over the past week. Together with the geodetic monitoring the observations suggest that the summit and upper East Rift Zone continue to be replenished with magma. By contrast, the Lower East Rift Zone was mostly quiet.

    Hazard Analysis: Levels of volcanic gas—SO2 and carbon dioxide (CO2)—can remain locally hazardous even though Kīlauea is no longer erupting. SO2 gas emissions have greatly decreased. However, local concentrations of SO2 or hydrogen sulfide (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 can be enhanced by earthquakes within the area closed to the public. Even with decreased effusion rates and no signs of lava lake activity, conditions around Halema‘uma‘u crater remain hazardous.

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

    The Hawaiian Volcano Observatory (HVO) continues to closely monitor Kīlauea’s seismicity, deformation, and gas emissions, and maintains visual surveillance of the summit and the East Rift Zone.


    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

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    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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    Nene photo in top graphics by Brenda Zaun