My experiments with volcanoesJaggar, Thomas Augustus
Science
My experiments with volcanoes
Jaggar, Thomas Augustus
Geologists -- Biography; Volcanoes
Tidal waves made by these two lava flows entering the sea were small
but perceptible. The principal effect was thousands of white steam jets
where the red hot blocks entered the ocean. Culmination of glowing heat
came the second night, Tuesday. The flows continued for months, but the
maximum of seismic effect had happened at six o’clock in the evening of
the first day, Monday.
This was a really big earthquake damaging masonry and causing landslips
from the cliff next to Kagoshima city and killing a number of people.
The flux of refugees from the volcano villages on Monday was a
dramatic event. When the lava outbreak occurred in the forenoon,
the schools sent the children home. On their way, the children gazed
entranced toward the terrific arch of cloud over the mountain, vomiting
trajectories of stones. Shops closed, and the city was quiet while
everybody sized up the crisis. As a schoolboy in English class wrote,
“Monster rocks went horizontally from the down to the up, with smokes
on their behind.”
After the evening earthquake, however, when many buildings had shaken
down, all except public officials were ordered to leave for the back
country. Young men’s clubs organized to receive the refugees along
the roads which led into the interior of Satsuma province, while
temples and schoolhouses were impressed into service to house them.
The migration of more than 50,000 people with packs on their backs and
with handcarts bearing household goods, demonstrated how easily the
Japanese people took to a nomad existence. This hegira came to an end
on Wednesday, when Dr. Omori arrived from Tokyo, sized up the seismic
record and the fiery crisis of Tuesday night, and took the grave
responsibility of announcing that the population of Kagoshima might
safely return. This was done, he was right, and no further damage beset
the city.
Through all of this eruption, so different from Pelée in administrative
control, no one was killed by the volcano, though one or two old people
died of shock. One old lady who refused to leave her home on the island
survived. Village roofs were bent down, crushed, and half buried under
a heavy snowfall of ash, and it was notable that flat-roofed cottages
were crushed, whereas those with steeper roofs were less damaged.
Orange orchards were hopelessly destroyed.
At the west shore of Sakurajima in a place called Hakamagoshi, a fiery
blast rushed down to the sea from the rift. Trees were stripped of
limbs and bark, saplings were bent away from the volcano, and wood
fiber on stumps was shredded by flying rocks. This blast was very short
lived and never reached across to the city. It bore the marks of being
similar to the downblasts of Mount Pelée. The lava flows kept on for a
year and built new shore islands.
Public-domain text, read in full here on John Shaqi.
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