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video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 3 of 5)
December 31, 1929

Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 3 of 5)

Part 3 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

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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

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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

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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.

Map of post-1823 lava flows erupted from Mauna Loa (gray) and numbe...

Map of post-1823 lava flows erupted from Mauna Loa (gray) and numbe...

Slope map of Mauna Loa, including lava flows erupted since 1823 (gray), showing the approximate number of hours or days it took for a flow to advance from the vent location to the ocean or maximum reach of a flow. One flow that moved down the steep slopes on west flank of Mauna Loa reached the ocean in as little as 3 hours after the vent started erupting in 1950. The bold

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Views of Mauna Loa Volcano during clear weather day (left) and on d...

Views of Mauna Loa Volcano during clear weather day and on day when...

These views of Mauna Loa are from near the Hawaiian Volcano Observatory looking toward the west. The view on left is typical during strong trade winds that blow the plume from Halema‘uma‘u Crater southwest of the summit area. The view on right is common during slack winds that allow vog conditions to develop in the summit area of Kīlauea. During such conditions, people

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The gentle slope of Mauna Loa as seen from the flanks of Mauna Kea ...

The gentle slope of Mauna Loa as seen from the flanks of Mauna Kea ...

The gentle slope of Mauna Loa as seen from the flanks of Mauna Kea to the north. Younger lava flows appear dark on the volcano's flank, and clouds rest in the eastern saddle between the two volcanoes.

Clear day view of Mauna Loa during tradewind conditions from the su...

Clear day view of Mauna Loa during tradewind conditions from the su...

Clear day view of Mauna Loa during tradewind conditions from the summit of Kīlauea Volcano

Island of Hawai‘i map, showing Mauna Loa and the other four volcano...

Island of Hawai‘i map, showing Mauna Loa and the other four volcano...

Island of Hawai‘i map, showing Mauna Loa and the other four volcanoes that make up the island. Mauna Loa structural features include summit caldera, rift zones, radial vents, and historical lava flows.

Clear day view of PS Cam

[PScam] Puʻu ʻŌʻō South Flank from the South Rim

This image is from a temporary research camera positioned just south of Puʻu ʻŌʻō, looking north at the southern flank of Puʻu ʻŌʻō's cone.

Disclaimer

The webcams are operational 24/7 and faithfully record the dark of night if there are no sources of incandescence or other lights. Thermal webcams record heat rather than light and get better

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Vog obscures Mauna Loa view during slack or no tradewinds at the su...

Vog obscures Mauna Loa view during slack or no tradewinds at the su...

Vog obscures Mauna Loa view during slack or no tradewinds at the summit of Kīlauea Volcano, Hawai‘i

Cleary day view of R3 cam

[R3cam] Mobile Cam 3

This image is from a research camera positioned on the southeast flank of Puʻu ʻŌʻō, looking toward the active flow advancing to the southeast. The breakout point is at the left edge of the image, and the mid-field skyline at the right is roughly coincident with the top of the pali.h

DisclaimerThe webcams are operational 24/7 and faithfully record

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