The 1257 A.D. explosion was eight tim...

The 1257 A.D. explosion was eight times stronger than Krakatoa (pictured).

There are 1 comment on the National Geographic story from Sep 30, 2013, titled The 1257 A.D. explosion was eight times stronger than Krakatoa (pictured).. In it, National Geographic reports that:

One of history's great disaster mysteries may be solved-the case of the largest volcanic eruption in the last 3,700 years.

Join the discussion below, or Read more at National Geographic.

“Geologist [I'm Climate Change]”

Since: Mar 07

formerly Nuneaton

#1 Oct 2, 2013
Nice article.

An eruption twice the size of Tambora is likely to produce 120-130Km3 rather than the 40Km3 seen in the article.

The distal ash fraction may however have reached 40Km3. The article however did not mention the type of ash involved in the caldera forming event.

One fun aside note that can probably explain the extreme delay in scientific investigation of Lombok is the "Thief market". It has long been a hot zone for thief culture, with the result that in the 50s to 90s if you wanted to buy a camera on Lombok looking exactly like the one you mislaid the previous day, you had to tour at least 8 stalls to get all the bits back at highly inflated prices. This practice has been commented on since travel reports were written (1930s) with the result that while Bali became a tourist haven, neighbouring Lombok became as avoided as modern day Balochistan.
The old thief market ideal died with modern tech, as anything stolen & broken up fails to work when put back together & the bits of modern digi cameras & mobiles became a total loss for the trad thief marketeers. was a bit like the thief meat market in that case, but definitely more indigestible than a stolen sheep, with the result that a broken up modern tech item was a total loss.

Result nowadays is that scientific kit can now last long enough to enable survey results & data collection without them being "half inched" & sold in fragments at 10* the original price & collection time.

The result has now been a survey of the relatively smooth ash deposits coating Lombok island & 14C dates on material found in the outwash streambanks.

About time that part of the world ended up on the modern day map. I would still suggest going to Bali unless you like trekking in survival mode with minimal kit & tourist bits & pieces that are at least 10 years out of date.

Have a nice day: Ag

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