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Active lava delta, Kīlauea Volcano, Hawai‘i...
September 20, 2006

Active lava delta, Kīlauea, Hawai‘i

Lava pours over the former sea cliff at East Lae‘apuki onto an active lava delta (left of cliff). The lava broke out from a lava tube just inland of the sea cliff (right of photograph). Lava is also pouring over the cliff within a tube, indicated by the blueish fume rising from cliff behind the lava streams, and entering the ocean as shown by the white laze plume on edge

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Researcher measures the wing of a palila nestling
July 18, 2006

Researcher measures the wing of a palila nestling

A very young palila nestling is given unique color bands and it's body measurements are taken on Mauna Kea volcano, Hawai‘i Island, Hawai‘i. In a multi-decadal study of palila and the factors influencing their population, Dr. Paul Banko has studied the diet, movement, and nesting behavior of these critically

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June 24, 2006

Lava Breakout from PKK Lava Tube at East Lae‘apuki

(June 24, 2006, 19:00:53 to June 25, 2006, 01:00:55) After sunset on June 24, 2006, lava burst from the PKK lava tube about 50 meters inland from the older sea cliff bounding the inboard edge of the East Lae‘apuki lava delta. Lava reached the sea cliff and began cascading over it in less than a minute, and it spread quickly across the lava delta below. The cascade was

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June 3, 2006

Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō

(June 2, 2006, 18:30:02 to June 3, 2006, 02:00:03) Gas-pistoning is an interesting phenomenon seen at Kīlauea and some other basalticvolcanoes. It is caused by the accumulation of gas near the top of the lava column within a volcanic vent (Swanson and others, 1979). The shallow accumulation of gas causes the lava surface to rise (the "piston"). Eventually, the gas breaches

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May 29, 2006

Lava Tube Bubble Bursts on the East Lae‘apuki Lava Delta

(May 29, 2006, 10:45:46 to 19:30:49) The interaction of sea water and lava creates a volatile situation (Mattox and Mangan, 1997). When this happens inside the confined space of a lava tube, or a narrow, water-filled crack, the results can be impressive. In this movie, lava bubbles, bursting from the top of the PKK lava tube, put on quite a show for several hours. Some of

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Large cracks in active lava delta, Kīlauea Volcano...
May 19, 2006

Large cracks in active lava delta, Kīlauea

Substantial cracks cutting across a lava delta are clear indication that the delta is subsiding as it grows across the unstable pile of interfingering lava flows and fragments built on the steep submarine slope. The larger cracks on this delta are 1-2 m (3-6 ft) wide. Lava flows spread onto the delta from some of the cracks and then, after solidifying, were cut by renewed

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Active lava delta on southeast coast of Kīlauea Volcano, Hawai‘i...
May 19, 2006

Active lava delta on SE coast of Kīlauea, Hawai‘i

Lava delta at East Lae‘apuki on the southeast coast of Kīlauea Volcano is about 17 hectares (43 acres). The delta extends about 400 m seaward from the sea cliff and is about 850 m long parallel to the shoreline. The steep sea cliff embayment resulted from collapses of earlier deltas; the collapses undermined and took away parts of the cliff. Note similar inactive delta

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Juvenile ‘i‘iwi in the hand
April 10, 2006

Multi-colored juvenile ‘i‘iwi

‘I‘iwi are one of the most charismatic Hawaiian honeycreepers extant today. Their long, curved bill allow them to reach nectar deep inside specially evolved Hawaiian flowers. As they mature, juvenile ‘i‘iwi will go from these mottled, multi-colored feathers to bright red coloration. 

March 22, 2006

Shatter Ring on the PKK Lava Tube

(March 20, 2006, 11:30:10 to March 22, 2006, 07:00:16) The flow field feature seen here in profile is a shatter ring. Shatter rings are circular to elliptical volcanic features, typically tens of meters in diameter, that form over active lava tubes (Kauahikaua and others, 2003; Orr, 2011) They are typified by an upraised rim of blocky rubble and a central depression.

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US Army helicopter flies over the heads of researchers on Mauna Kea
February 23, 2006

US Army helicopter flies over the heads of researchers on Mauna Kea

A US Army helicopter from Pohakuloa Training Area flies overhead of palila researchers on Mauna Kea volcano, Hawai‘i Island, Hawai‘i. 

November 28, 2005

Lava Delta Collapse at East Lae‘apuki

At 11:10 in the morning on November 28, 2005, the lava delta at the East Lae‘apuki ocean entry, on Hawai‘i's southeastern coast, began to collapse into the ocean. This was not a catastrophic failure of the 13.8-hectare delta, but instead occurred by piecemeal calving of the front of the delta over a period of just less than 5 hours. The collapse removed nearly the entire

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Nene adults and goslings in a grassy field
November 27, 2005

Nene adults and goslings

A mating pair of adult nēnē (Branta sandvicensis) keep a close watch on three young goslings. An endangered species and the state bird of Hawai‘i, nēnē are the last remaining species of Hawaiian goose.    

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USGS
September 23, 1994

Rabaul caldera, an active volcano located on the northern tip of New Britain island in Papua New Guinea, erupted violently this past week.

USGS
September 16, 1994

The Hawaiian Volcano Observatory is located on the northwest rim of Kīlauea caldera adjacent to the Jagger Museum. Because of its location within Hawaii Volcanoes National Park, many people have the mistaken impression that the Observatory is administered by the National Park Service. 

USGS
September 9, 1994

Kīlauea's east rift zone eruption at Pu'u 'O'o, which began in January 1983, continues. Lava is actively circulating in a pond inside the Pu'u 'O'o cone.

USGS
September 2, 1994

About nine months ago I wrote about a scientific drill hole in Hilo that was funded by the National Science Foundation to examine the long-term growth of a Hawaiian volcano.

Surface flows erupting; lava bench movement measured...
August 24, 1994

Several large surface lava flows from the eruption along Kīlauea's east rift zone occurred this past week. The largest of these flowed down the east side of the flow field between the Kamoamoa flows and those that surrounded Waha'ula several years ago. 

USGS
August 19, 1994

Earthquakes are a frequent occurrence on the Island of Hawaii. Rarely a week goes by that we do not experience at least one earthquake that is large enough to be felt.

Local volcanologist to assess Zaire eruption...
August 12, 1994

The U.S. Geological Survey has a Volcano Disaster Assistance Program (VDAP) that provides scientific and technical assistance during international volcanic crises.
 

USGS
August 5, 1994

The U.S. Geological Survey maintains a network of more than 50 seismic stations on Hawaii Island. The instruments and their distribution were originally designed to record and locate the many small earthquakesassociated with magma movement inside Kīlauea and Mauna Loa Volcanoes. 

USGS
July 29, 1994

The eruption along Kīlauea's East Rift Zone continues with little change since our last report in mid-June. There are still two erupting vents located on the southwest and west flanks of the Pu'u 'O'o cone, which is located about 11 miles east of Kīlauea's summit. 

USGS
June 10, 1994

The eruption on Kīlauea's east rift zone continues with little change. The eruption has now been going for eleven and one-half years and shows no signs that the end is close.
 

USGS
June 3, 1994

On May 22 at 7:50 in the morning, the northern part of Hawaii Island was rattled by an earthquake with an estimated magnitude of 4.2.

USGS
May 27, 1994

Before the current activity on Kīlauea's east rift zone, the most long-lived rift eruption was that of Mauna Ulu, which began 25 years ago, on May 24, 1969.