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Maunaloa volcano update: lava flows from Fissure 3 slowly reaching Saddle Road

Thu, 1 Dec 2022, 04:34
04:34 AM | BY: MARTIN
Dramatic view of descending lava flows visible from Mauna Kea yesterday morning (image: USGS)
Dramatic view of descending lava flows visible from Mauna Kea yesterday morning (image: USGS)
The epic moment of red, orange and yellow clouds and lava  flows (image: Miles Lucas)
The epic moment of red, orange and yellow clouds and lava flows (image: Miles Lucas)
Fissure 3 is a dominant source of the largest lava flows (image: USGS)
Fissure 3 is a dominant source of the largest lava flows (image: USGS)
Fissure 3 is a dominant source of the largest lava flows (image: USGS)
Fissure 3 is a dominant source of the largest lava flows (image: USGS)
The activity on the Northeast Rift Zone continues at intense levels from both eruptive vents.

Fissure 3 continues to effuse the largest and most voluminous lava flows so far, traveling towards the Daniel K. Inouye Highway (Saddle Road) in the north direction. Lava flows decreased its advance between 07:00 AM and 12:30 PM local time today to a rate of 0.02 miles per hour (24 meters per hour). By 12:30 PM local time today, the lava flow front was located about 3.6 miles (5.8 km) from Saddle Road. The lava is gradually reaching a relatively flat area which will likely make it slow down. As this scenario happens, it will spread out and inflate. Preliminary estimates indicate that the lava flows may reach Saddle Road in two days.

Fissure 4 continues to spill out lava flows towards the northeast direction at a slower rate than the main lobe.

Fountaining activity continues at both fissure vents.

Pele's hairs, tiny forms of pyroclastic material consisting of brown basaltic glass typical for hawaiian eruptions, occur in the Humu'ula Saddle area.

The HVO seismic network continues to detect an ongoing tremor in currently active fissures, suggesting continued high effusion rates of magma.

Previous news

Wed, 30 Nov 2022, 15:00

Mauna Loa volcano (Hawaiian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 November-29 November 2022 (New Activity / Unrest)

An eruption at Mauna Loa began at about 2330 on 27 November in Moku'aweoweo, the summit caldera, prompting HVO to raise the Aviation Color Code to Red (the highest level on a four-color scale) and the Volcano Alert Level to Warning (the highest level on a four-level scale). A thermal anomaly and a plume of sulfur dioxide gas were identified in satellite images at the onset of the eruption, according to NOAA's National Environmental Satellite, Data, and Information Service (NESDIS). Hawai'i Volcanoes National Park closed the summit area to visitors. ... Read all
Wed, 30 Nov 2022, 04:58

Maunaloa volcano update: stunning aerial footage in gallery

Red-orange-yellow glowing lava flows from the fissure vent (image: Andrew Hara)
Andrew Hara in collaboration with Paradise Helicopters took stunning aerial images of the current eruption site on the Northeast Rift Zone. Enjoy! ... Read all
Show more
Maunaloa volcano
Shield volcano 4170 m / 13,681 ft
Big Island, Hawai'i, 19.48°N / -155.61°W
Current status: restless (2 out of 5) Maunaloa volcano eruptions:
1832, 1843, 1849, 1851, 1852, 1855-56, 1859, 1865-66, 1868, 1870(?), 1871, 1872, 1873, 1873-74, 1875, 1876, 1877, 1879, 1880, 1880-81, 1887, 1892, 1896, 1899, 1903, 1907, 1914-15, 1916, 1919, 1926, 1933, 1935-36, 1940, 1950, 1975, 1984, 2022 (Nov-ongoing)
Typical eruption style
Dominantly effusive.

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