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Maunaloa volcano update: lava supply from Fissure 3 seems to have ceased

Tue, 13 Dec 2022, 06:23 06:23 AM | BY: MARTIN
No lava movements in Fissure 3 detected (image: USGS)
No lava movements in Fissure 3 detected (image: USGS)
The eruption on the Northeast Rift Zone at Fissure 3 seems to appear to be inactive.
The lava flow is likely no longer active at the fissure vent or at least hasn't shown any significant signs of movement, it is only dominated by residual incandescent. The monitoring HVO crew heard small explosions accompanied by spatter from the western part of the Fissure 3 vent during field research. The lava does not erupt into the lava tube system anymore and no longer feeds the main flow front.
The main flow front stagnated 1.7 miles (2.8 km) from the Daniel K. Inouye Highway (Saddle Road) on 10 December. The inactive flow front continues to glow at night and may travel northward at a very slow pace by settling down.
Sulfur dioxide (SO2) emissions reduced considerably as well to a 2000 tonnes/day.
The volcanic tremor is no longer detectable, although the inflation on the Northeast Rift Zone continues.

Previous news

Sun, 11 Dec 2022, 05:14

Maunaloa volcano update: most of lava remains in pond within spatter cone, alert status lowered to 'Watch'

Fissure 3 lava pond (image: USGS)
The low-level effusive eruption on the Northeast Rift Zone continues. ... Read all
Sat, 10 Dec 2022, 05:49

Maunaloa volcano update: low-level eruptive activity continues, main lava flow remains inactive

The eruption at Fissure 3 has slowed down (image: USGS)
The activity on the Northeast Rift Zone continues at reduced levels of the lava output since this morning. ... 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: normal or dormant (1 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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