Fire Earth

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Posts Tagged ‘Fissure 17’

KILAUEA VOLCANO: Aerial View of Fissure 17

Posted by feww on May 14, 2018

Eruption of lava continues from the fissure system; more than 700 quakes (M≥2.5) recorded

[volcanic] activity was dominated by lava fountaining, explosion of spatter bombs hundreds of feet into the air, and several advancing lava flow lobes moving generally northeast from fissure 17 at the downrift (northeast) end of the new fissure system. As of about 7 pm, one lobe was 2 yards thick and advancing roughly parallel to Highway 132. The flow front was just over a half mile southeast of the intersection of Highway 132 and Noni Farms Road.

This eruption is still evolving and additional outbreaks of lava are possible. The location of future outbreaks could include areas both uprift (southwest) and downrift (northeast) of the existing fissures, or, existing fissures can be reactivated. Communities downslope of these fissures could be at risk from lava inundation. Activity can change rapidly.

Aerial view of fissure 17 around 4:30 p.m. HST. On the west end of the flow, intermittent percussive jetting threw spatter and lava bombs up to 500 feet above the ground. East margin of the ‘a‘ā flow was cascading into a pit or graben. [USGS-HVO]

Earthquakes at Kīlauea Volcano

Earthquake activity in the summit remains elevated with several strongly felt events at HVO today. Most of these earthquakes are related to the ongoing subsidence of the summit area and earthquakes beneath the south flank of the volcano. [More than 700 earthquakes measuring ≥2.5mw have been recorded since May 3.]

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