Tag Archive | "mauna loa"

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Volcano Watch: Did aerial bombing stop the 1935 Mauna Loa lava flow?

A widely-held belief is that Thomas Jaggar, founder of the Hawaiian Volcano Observatory, was able to stop a Mauna Loa lava flow in 1935. But is it true?

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Volcano Watch: USGS maps identify lava inundation zones for Mauna Loa

Lava inundation maps provide a good first-order understanding of specific areas that could be affected by Mauna Loa lava flows. This information is critical for response planning.

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The National Weather Service reports a Flash Flood Warning is now in effect for Hawaii Island until 11:15 a.m. A Flash Flood Warning means dangerous flooding is occurring or imminent; and may pose a threat to life and property. Heavy thunder showers are expected to continue through today.

Flash Flood Watch and High Wind Warning issued for Hawaii Island

The National Weather Service reports a Flash Flood Warning is now in effect for Hawaii Island until 11:15 a.m. A Flash Flood Warning means dangerous flooding is occurring or imminent; and may pose a threat to life and property. Heavy thunder showers are expected to continue through today.

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The National Weather Service in Honolulu has issued a flash flood watch for Hawaii Island Monday through Tuesday afternoon (Oct 23-24).

Heavy showers associated with an upper trough and cold front moving down the island chain could result in flash flooding Monday through Tuesday. The latest guidance indicates the greatest potential for flooding will occur over Oahu, Maui County and Hawaii Island.

Flash Flood and High Wind Watches issued for Hawaii Island

The National Weather Service in Honolulu has issued a flash flood watch for Hawaii Island Monday through Tuesday afternoon (Oct 23-24). Heavy showers associated with an upper trough and cold front moving down the island chain could result in flash flooding Monday through Tuesday. The latest guidance indicates the greatest potential for flooding will occur […]

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Aerial view of Mauna Loa erupting on the morning of March 25, 1984, the first day of the volcano’s most recent eruption. The lava flow was advancing southeast, toward Kīlauea, from fissure vents at an elevation of about 11,200 feet on Mauna Loa’s Northeast Rift Zone. Moku‘āweoweo, Mauna Loa’s summit caldera, is visible at top left. USGS photo by J.P. Lockwood.

Volcano Watch: Mauna Loa update: unrest continues, but the outcome is uncertain

What’s up with Mauna Loa, and is any change in sight? Should residents relax or stay vigilant?

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Volcano Watch: New map reveals geologic history of Mauna Loa Volcano’s northeast flank

The new “Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawaiʻi,” is the culmination of many years of work by Hawaiian Volcano Observatory (HVO) geologists.

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Wish you were here? A white Christmas on Hawaii’s snow-capped summits

Nearly every year, the peaks of Mauna Kea and Mauna Loa volcanoes are temporarily dusted with snow.

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A view from the United Kingdom Infrared Telescope Saturday, December 12, 2016. Image courtesy of University of Arizona/UKIRT

Winter Storm Warning extended for Hawaii Island summits

The National Weather Service in Honolulu has extended a Winter Storm Warning for Hawaii Island summits through 6 a.m. Sunday (Dec 11).

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Wish you were here? Snow days in Hawaii

A look back at the week of Winter weather on Hawaii’s summits of Mauna Kea and Mauna Loa through videos.

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Winter Weather Advisory for Hawaii Island summits

The National Weather Service in Honolulu has issued a Winter Weather Advisory in effect from 6 p.m. Wednesday until 6 a.m. Friday (Dec 8) for Hawaii Island summits above 12,000 feet.

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Volcano Watch: Jaggar’s prediction comes true—the 1935 eruption of Mauna Loa

After working for 20 years building the Hawaiian Volcano Observatory (HVO), Thomas Jaggar had achieved almost everything he set out to do.

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Magnitude 4.0 quake at Mauna Loa summit Tuesday (Sept 6)

The U.S. Geological Survey’s Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.0 earthquake beneath the Island of Hawaiʻi on Tuesday, September 6, 2016, at 4:25 a.m., HST.

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Light 4.3M quake on western flank of Mauna Loa near Keauhou, no tsunami expected

As of 10:30 p.m., one small aftershock was recorded. During the past 30 years, there have been 3 earthquakes, including tonight’s event, with magnitudes greater than 4.0 and at depths of 5–15 km (3–9 mi) in the Kealakekua area of West Hawaiʻi.

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This rapidly moving ʻaʻā lava flow was one of several that advanced down the west flank of Mauna Loa during the volcano’s 1950 eruption. The massive flow, tens of meters (yards) high, traveled from the Southwest Rift Zone vent to the ocean, a distance of about 18 km (11 mi), in around 18 hours. Two earlier flows from this eruption reached the ocean in as little as three hours. All three flows crossed Highway 11 as they advanced to the sea. In this black-and-white aerial photo, incandescently hot areas on the flow appear white. Photo credit: Air National Guard, 199th Fighter Squadron.

Volcano Watch: Mauna Loa Southwest Rift Zone’s eruptions stopped traffic—and more

During the past 148 years, Mauna Loa Southwest Rift Zone eruptions have sent massive lava flows across Hawai‘i Island’s main road six times: in 1868, 1887, 1907, 1919, 1926, and 1950.

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