Iceland Volcanoes

[dik]

Other than nuee ardante type of pyroclastic flows, does anyone have an idea of how fast lava flows? I know it depends on the slope and this can cause a huge variance.

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Feel any better?

-Dik

 

[IRstuff]

We saw lava flowing in Hawaii from Kilauea; faster than a snail, slower than a tortoise

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[dik]

Thanks... thought of something like maybe a couple of miles/hour... something you could outwalk... except for the pyroclastic stuff...

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Feel any better?

-Dik

 

[zeusfaber]

Nicked from [URL unfurl="true"]http://www.geo.umass.edu/courses/volcanology/Lava%20Flows.pdf[/url]:

ƒ Lava flows generally travel at slow speeds. (Typical
Hawaiian flows move at about 0.25 miles/hr or about 6
miles/day)
ƒ Consequently, it is possible to avoid most flows – resulting
in very little loss of life.
ƒ Total deaths from flows (since 1600 a.d.) is about 900.
ƒ Buildings and other structure, of course, are totally
destroyed.
ƒ There are, however, exceptions!
ƒ Maximum speeds for Hawaiian flows is 6-30 m.p.h on steep slopes
or for unusually hot and fluid lavas.
ƒ Nyiragongo (Zaire) – collapse and drainage of a lava lake resulted
in a sudden surge of lava traveling at 20-60 m.p.h and resulting in
70 deaths.

 

[dik]

Thanks, Zeus...

Rather than think climate change and the corona virus as science, think of it as the wrath of God. Feel any better?

-Dik