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video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 4 of 5)
December 31, 1929

Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 4 of 5)

Part 4 of 5

Remarkable silent film, 16mm Kodachrome movie film. Probably the first color film ever made of a volcanic eruption. Mokuaweoweo Crater eruption filmed probably in late 1935 by Harold T. Stearns, a USGS Hydrologist-Volcanologist. The lava fountains are hundreds of feet high, the erupting fissure inside the crater is about two thousand feet long. The

video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 5 of 5)
December 31, 1929

Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 5 of 5)

Part 5 of 5

Remarkable silent film, 16mm Kodachrome movie film. Probably the first color film ever made of a volcanic eruption. Mokuaweoweo Crater eruption filmed probably in late 1935 by Harold T. Stearns, a USGS Hydrologist-Volcanologist. The lava fountains are hundreds of feet high, the erupting fissure inside the crater is about two thousand feet long. The

Ejected tephra from Halemaumau at Kīlauea Volcano, May 31, 1924...
May 31, 1924

Ejected tephra from Halemaumau at Kīlauea, May 31, 1925

This scene west of Halemaumau looks toward the rim of the caldera, southwest of Uēkahuna Bluff. New ballistic blocks and ash from the 1924 eruption coat the floor of the caldera.

Airplane landing field at Kīlauea Volcano strewn with blocks from s...
May 22, 1924

Airplane landing field at Kīlauea strewn with blocks from several e...

Prior to the eruption of 1924, this area was swept clean and used as a landing field for airplanes. This view looking toward the north rim of Halemaumau shows the air field littered with ballistic blocks from explosions in the 1924 eruption.

Explosion from Halemaumau at Kīlauea Volcano as viewed from Uēkahun...
May 18, 1924

Explosion from Halemaumau at Kīlauea May 18, 1924.

This was probably the strongest explosion of the eruption. Rocks and debris fell among spectators southeast of Halemaumau, causing one fatality. A torrential downpour and an electrical storm followed.

Spectators flee explosion from Halemaumau at Kīlauea Volcano, 1114 ...
May 18, 1924

Spectators flee explosion from Halemaumau at Kīlauea, May 18, 1925

Acting HVO director Ruy Finch snapped this photograph of spectators running away as large blocks were tossed about 600 meters (2000 feet) onto an airplane landing field. Lorrin A. Thurston provided this description: "About three minutes later with a sudden dull roar a column of inky black eruption cloud shot upward from the pit and great masses of gray ash rolled out from

...
Park superintendent Thomas Boles after a narrow escape at Kīlauea V...
May 14, 1924

Park superintendent Thomas Boles after a narrow escape at Kīlauea, ...

Boles poses on the grounds of the Volcano House hotel with the Halemaumau eruption plume in the background. He fell cutting his hands and a knee while fleeing an explosion the day before. After his close call the superintendent barred all public access within two miles of Halemaumau.

Explosion at Halemaumau as seen from Uēkahuna Bluff, at Kīlauea Vol...
May 13, 1924

Explosion at Halema‘uma‘u as seen from Uēkahuna Bluff, at Kīlauea, ...

Eight persons, including newspaper and movie men observing the scene at Halema‘uma‘u, were caught in a rain of hot rocks from this explosion. The rocks emitted hissing sounds as hot gas, mainly steam, escaped from them. Park superintendent Thomas Boles was knocked down twice by this bombardment.

Observer examines boulder ejected from Halemaumau, at Kīlauea Volca...
May 11, 1924

Boulder ejected from Halemaumau, at Kīlauea, May 11, 1925

On May 11, Ruy Finch and W.O. Clark visited Halemaumau and found a rock fragment weighing about 180 kg (400 pounds) that had been thrown 60 meters (200 feet) from the rim of the crater.

One of the first explosion clouds from Halemaumau, at Kīlauea Volca...
May 10, 1924

First explosion clouds from Halemaumau, Kīlauea 1925

Later scientists at the Observatory listed May 10 as the first day of the eruptive series. Between this date and May 27, they carefully recorded all explosions, ballistic falls, electric storms, and muddy rains as well as earthquakes felt and recorded on seismographs.

Scientists looking into the bright glow of Mauna Loa's 1942 eruptiv...
April 28, 1924

Scientists looking into bright glow of Mauna Loa's 1942 eruptive ve...

Scientists looking into the bright glow of Mauna Loa's 1942 eruptive vent. Eruption occurred during WWII and was not publicized to prevent Japanese war planes from navigating to the island at night.

Cleary day view of K2 cam

[K2cam] Halemaʻumaʻu Overlook Vent from HVO Observation Tower

This image is from a research camera mounted in the observation tower at the Hawaiian Volcano Observatory. The camera is looking SSE towards the active vent in Halemaʻumaʻu, 1.9 km (1.2 miles) from the webcam. For scale, the crater wall of Halemaʻumaʻu behind the eruptive vent is about 85 m (~280 ft) high.

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