/sci/ - Science & Math » Thread #12039251

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Only one VEI 6 in a 108 year stretch.

Anonymous Sun 23 Aug 13:17:34 2020 No.12039251 View Reply Original Report

Quoted By: >>12039308 >>12041318 >>12045228

Isn't it unusually quiet? Or was the 1808-1912 stretch unusually active?

1808: VEI 6 (2nd?) https://en.wikipedia.org/wiki/1808_mystery_eruption
1815: VEI 7 (largest) https://en.wikipedia.org/wiki/1815_eruption_of_Mount_Tambora
1883: VEI 6 (3rd) https://en.wikipedia.org/wiki/1883_eruption_of_Krakatoa
1902: VEI 6 (6th) https://en.wikipedia.org/wiki/Santa_Mar%C3%ADa_(volcano)#1902_eruption
1912: VEI 6 (4th) https://en.wikipedia.org/wiki/Novarupta#Eruption_of_1912
1991: VEI 6 (5th) https://en.wikipedia.org/wiki/1991_eruption_of_Mount_Pinatubo

Anonymous

Anonymous Sun 23 Aug 2020 13:37:22 No.12039277 Report

Quoted By:

Getting ready for the big one

Anonymous

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Anonymous Sun 23 Aug 2020 13:52:31 No.12039308 Report

Quoted By: >>12044619

>>12039251
repeat of laki WHEN bros

Anonymous

Anonymous Sun 23 Aug 2020 23:56:34 No.12041318 Report

Quoted By:

>>12039251

https://en.wikipedia.org/wiki/1465_mystery_eruption

Anonymous

Anonymous Mon 24 Aug 2020 11:38:43 No.12042692 Report

Quoted By:

Bump for interesting content

Anonymous

Anonymous Mon 24 Aug 2020 11:45:34 No.12042701 Report

Quoted By: >>12046507

So we've had intervals of 7, 68, 19, 10 and 79 years between VEI 6 eruptions.

We can expect some intervals in the 50-100 year range, meaning we're probably not going to have one anytime soon since it's only been 29 years so far.

Anonymous

Anonymous Mon 24 Aug 2020 22:14:48 No.12044619 Report

Quoted By:

>>12039308
Living in Iceland must be a rollercoaster of chilling and being terrified during earthquakes and eruptions

Anonymous

Anonymous Tue 25 Aug 2020 01:12:30 No.12045155 Report

Quoted By:

In Annals of the Former World, the author speculates that a major earthquake is due to hit San Francisco in the year 2020. Any geologists here that can add more info?

Anonymous

Anonymous Tue 25 Aug 2020 01:41:15 No.12045228 Report

Quoted By:

>>12039251

If this post is digits we beat tambora by the end of the year

Anonymous

Anonymous Tue 25 Aug 2020 12:07:31 No.12046507 Report

Quoted By:

>>12042701
Yes but if you'd graph the volume of the eruption youd see a different pattern emerge.

The 1808 is not well documented but probably as large as Krakatoa or larger.
So lets put 30 cubic km
1808: 30 cubic km
1815: 150 cubic km
1883: 20 cubic km
1902: 10 cubic km
1912: 15 cubic km
1991: 12 cubic km

In 200 years we had 237 cubic km of eruptions or over 1 cubic km per year.
And now we had 29 years with nothing and 108 years with just 12 cubic km.
I intentionally leave VEI 4's and 5's out of the discussion because seeing that the 1808 VEI 6 almost went undetected I doubt that the record of VEI 4's and 5's are accurate in the 1800's.

As an armchair volcanologist I'd say we're overdue for another Krakatoa.

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