Unified Interior Regions

Hawaii

The Pacific Region has nine USGS Science Centers in California, Nevada, and Hawaii. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

States L2 Landing Page Tabs

Filter Total Items: 2,359
August 10, 2002

Close-up of lava falls and steam cloud

Close-up of lava falls and steam cloud generated by lava entering water.

August 9, 2002

Lava falls into sea from western two entries at Highcastle

Lava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.

August 9, 2002

Lava dropping into the sea

Telephoto of lava dropping into the sea.

July 21, 2002

Lava spilling over the lip of Wilipe`a sea cliff

Close view of lava spilling over the lip of Wilipe`a sea cliff.

July 21, 2002

Wave crashing over lava

Close view of wave crashing over lava in the surf zone.

July 21, 2002

Lava spills over Wilipe`a sea cliff

Lava spills over Wilipe`a sea cliff and across boulders into the sea.

July 19, 2002

Lava cascades down sea cliff

Lava cascades down sea cliff on July 19, 2002, 3.5 hours after Mother's Day flow reached to the sea.

February 23, 2002

A`a lava flow on 23 February

 

A`a lava flow on 23 February

    Lava bubble burst explosion on active lava delta, Kīlauea Volcano, ...
    March 9, 1994

    Lava bubble burst explosion on active lava delta, Kīlauea, Hawai‘i

    Two bubble bursts explode simultaneously as a consequence seawater mixing with lava in a lava tube beneath surface of a lava delta. Because of the confined conditions in the lava tube, explosive pressures build up as water, heated by contact with molten lava, expands instantly to steam. The explosive energy of the steam is sufficient to blast a hole through the top of the

    ...
    Black and white graphic showing gray shaded areas for the areas of lava flows.
    November 8, 1991

    Map showing the location of lava flows from Puʻu ʻŌʻō

    Map shows the location of lava flows from Puʻu ʻŌʻō (unshaded), and Kūpaianaha (dark shaded), and Friday's fissure eruption (light shading) on Kīlauea's East Rift Zone. The inset shows the area of the enlarged flow field map and the locations and magnitudes of all felt earthquakes for the past week.

    Black and white graphic showing gray shaded areas for the areas of lava flows.
    November 3, 1991

    Map showing the location of lava flows from Puʻu ʻŌʻō

    Map showing the location of lava flows from Puʻu ʻŌʻō (unshaded) and Kūpaianaha (shaded) on Kīlauea's East Rift Zone. The inset shows the area of the enlarged flow field map and the locations and magnitudes of felt earthquakes for the past week.

    Image: Cinder Cones on Mauna Kea
    February 16, 1991

    Cinder Cones on Mauna Kea

    Cinder cones at the summit of Mauna Kea. Mauna Kea is a dormant shield volcano on the north end of Hawaii Island. Astronomical observatories in the foreground.

    Cinder cones (otherwise known as scoria cones) are the most common type of volcano on Earth. They’re also one of the smallest. They can often be found growing on larger volcanoes, in which case they’re dubbed

    ...
    Filter Total Items: 2,351
    USGS
    January 13, 1995

    A few weeks ago, we told you about the more than 67,000 earthquakes we recorded during the past year. Most of those earthquakes were so small that they were not felt and caused no damage.

    USGS
    December 30, 1994

    This is roughly the 150th weekly column of "VolcanoWatch,"which was begun in November 1991 to keep readers informed of the on-going activity of Kīlauea Volcano.
     

    Lava flowing from Kīlauea again...
    December 16, 1994

    Following a brief pause in the eruption during the last week of November, lava continues to issue from vents on the southwest flank of Pu'u 'O'o.

    USGS
    December 9, 1994

    This past week, six members of the U.S. Geological Survey's Hawaiian Volcano Observatory traveled to San Francisco to participate in the Fall Meeting of the American Geophysical Union (AGU). 

    USGS
    December 2, 1994

    The nearly 12-year-long eruption along Kīlauea's east rift zone took another brief vacation this past week. This was the sixth pause in eruptive activity this year, and the third since the beginning of October.
     

    USGS
    November 25, 1994

    Mount Merapi, a 2,911-meter-tall volcano on the island of Java in Indonesia, erupted on November 22 at about 10:15 a.m. local time.
     

    Location of selected earthquakes greater than magnitude 6, Island of Hawai‘i.
    November 18, 1994

    Eleven years ago on November 16, residents of Hawaii were awakened by a strong earthquake at 6:13 a.m. The earthquake had a magnitude of 6.6 and was located beneath the Kaoiki Fault Zone between the summits of Mauna Loa and Kīlauea Volcanoes. 

    USGS
    November 11, 1994

    The eruption along Kīlauea's east rift zone is approaching its twelfth anniversary, now less than two months away. The eruption continues strongly, with magma replenishment beneath the summit roughly matching eruption rates.
     

    USGS
    November 4, 1994

    Beginning on October 21 and continuing through October 31, residents in parts of lower Puna have felt a sequence of small earthquakes. 

    USGS
    October 28, 1994

    The nearly twelve-year-long eruption on Kīlauea's east rift zone had at least one additional pause in activity this past week.
     

    USGS
    October 21, 1994

    Not only does Hawaii move up and down, as I described last week, it also moves horizontally. There are several ways to measure these movements, and a new, exciting technique has recently been added to the repertoire.