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4 clusters · 4 sources · 44 days · First seen · Last updated

Hawaiian volcanic activity monitoring advancements

Overview

Scientists at the USGS Hawaiian Volcano Observatory are employing various technological methods to monitor volcanic activity and magma movement in Hawaii.

In July 2026, the observatory completed an annual GPS campaign on Mauna Loa, deploying 22 benchmark stations to refine long-term deformation models. This high-precision data allows researchers to track ground motions, such as inflation or deflation, to better assess potential hazards.

By August 2026, monitoring efforts expanded to include ambient noise interferometry. This technique involves analyzing continuous ocean noise signals recorded on seismometers to detect physical shifts beneath the surface. Specifically at Kīlauea, researchers monitor changes in signal velocity; for instance, as magma moves toward the surface, it can create fractures that cause signals to slow down, whereas magma accumulation in shallow chambers can close fractures and allow signals to travel more rapidly. These velocity changes help identify the timing and location of potential eruptions.

In September 2026, in observance of National Preparedness Month, the USGS emphasized disaster readiness due to high earthquake hazards, particularly on the south side of the Island of Hawai‘i. Officials noted that while eruptions often show signs of unrest, earthquakes can strike unexpectedly, potentially causing landslides, ground cracks, or local tsunamis. To communicate risks, the USGS utilizes the Volcano Alert Level for ground hazards and the Aviation Color Code to inform the aviation sector regarding airborne ash risks.

To support these scientific efforts, specialized teams of field engineers, electronics specialists, and IT staff maintain the critical monitoring infrastructure. Operating in challenging environments, these technicians ensure real-time data streams remain functional for interpreting physical processes and providing public information.

Entities

USGS Hawaiian Volcano Observatory · Kīlauea · United States · Hawaii

Timeline

  1. 6 days ago

    [HEALTH] 3 sources
    USGS promotes disaster preparedness in Hawaii for National Preparedness Month

    The USGS Hawaiian Volcano Observatory is promoting National Preparedness Month, urging Hawaii residents to prepare for unpredictable volcanic eruptions and high earthquake hazards.

  2. 22 days ago

    [TECHNOLOGY] 2 sources
    Hawaiian Volcano Observatory technicians maintain critical monitoring networks

    Field engineers and IT specialists at the USGS Hawaiian Volcano Observatory maintain the critical sensor networks used to monitor volcanic activity and provide real-time data to scientists and the public.

  3. 26 days ago

    [TECHNOLOGY] 2 sources
    USGS Hawaiian Volcano Observatory uses ocean noise to monitor eruptions

    The USGS Hawaiian Volcano Observatory uses ambient noise interferometry to monitor volcanic eruptions by tracking how ocean noise signals speed up or slow down through volcanic structures.

  4. about 2 months ago

    [TECHNOLOGY] 2 sources
    Mauna Loa GPS Survey Enhances Volcano Monitoring

    Hawaiian Volcano Observatory finished a 2026 GPS survey of Mauna Loa, adding 22 benchmarks to improve deformation monitoring, hazard assessment, and research after the volcano’s last 2022 eruption.

Sources

bigislandvideonews.com · hawaiitribune-herald.com · usgs.gov · westhawaiitoday.com

This summary has been updated 2 times: see revision history