Tag Archive | "hvo"

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Volcano Watch: Kilauea activity update for August 27, 2015

Kīlauea’s summit lava lake level, which fluctuates in response to summit inflation and deflation, varied this past week between about 148–190 feet below the vent rim within Halema‘uma‘u Crater.

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1950 Mauna Loa eruption. Label on back: “Official Photo, U.S. Air Force.”

Volcano Watch: What happens to lava flows after they enter the ocean?

Does lava continue to flow exactly as it did on land or does it behave differently after it enters the ocean?

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Volcano Watch: Kilauea activity update for August 20, 2015

Kīlauea’s summit lava lake level, which fluctuates in response to summit inflation and deflation, varied this past week between about 197–220 feet below the vent rim within Halema‘uma‘u Crater.

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The overflow of Halema‘uma‘u Crater on February 23, 1918. Photo by T.A. Jaggar from the HVO Record Book courtesy of Bishop Museum.

Volcano Watch: The Overflows of Halema‘uma‘u Crater

In early 1918, visitors swarmed to Kīlauea Volcano to see a splendid show. The molten lake in Halema‘uma‘u had been rising and the pit was almost full. Soon lava spilled over the crater rim onto the floor of Kīlauea’s summit.

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Volcano Watch: Kilauea activity update for August 13, 2015

Kīlauea’s summit lava lake level varied this past week between about 63 and 70 m (207–230 ft) below the vent rim within Halema‘uma‘u Crater.

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Volcano Watch: Is Mauna Loa gaining weight?

How we use gravity to monitor volcanoes takes advantage of the knowledge that the pull of gravity is stronger when there is more mass beneath the spot where it’s measured.

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Volcano Watch: The past is the key to the future at Kīlauea

For 15 years, we’ve been on a journey of discovery through Kīlauea’s volcanic past. Today we review what’s been learned on that journey and how new findings are shaping our thoughts about the future at Kīlauea.

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Greg Javar (summer intern)

Volcano Watch: Kilauea activity update for August 6, 2015

Kīlauea’s East Rift Zone “June 27th lava flow” continues to feed widespread breakouts northeast of Puʻu ʻŌʻō.

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Raymond and Whitcomb party “making lava specimens” at Kīlauea in 1893. Photograph by J.J. Williams from the HVO photo archives.

Volcano Watch: Detective work breathes new life into old volcano photos

By comparing archival material with current observations of volcanic activity, scientists can gain a better understanding of past events and future possibilities for Hawaiian volcanoes.

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Volcano Watch: Kilauea activity update for July 30, 2015

Kīlauea’s summit lava lake level fluctuated this past week between about 50 and 70 m (164 – 230 ft) below the vent rim. Kīlauea’s East Rift Zone “June 27th lava flow” continues to feed widespread breakouts northeast of Puʻu ʻŌʻō.

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Volcano Watch: “Leaky” lava tubes spread flows only short distances from Puʻu ʻŌʻō

By spawning so many short-lived flows over a large area, the leaky nature of the Pu‘u ‘O‘o lava tubes means that no single flow has been able to capture the volume of lava needed to develop into a sustained, rapidly advancing flow similar to the June 27th flow late last year.

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Volcano Watch: Kilauea activity update for July 23, 2015

Kīlauea’s summit lava lake level remained fairly steady at 167 feet below the vent rim until July 21, when the level dropped in response to summit deflation to about 210 feet, where it remained as of July 23, 2015.

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Sep 3, 2015 / 5:15 pm

 

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