Culprit Found in 13th-Century Eruption That Rocked Earth
Polar traces indicate Indonesian volcano
By Matt Cantor, Newser User
Posted Oct 1, 2013 9:00 AM CDT
Experts may have tracked down the volcano in a massive 13th-century eruption.   (Shutterstock)

(Newser) – An eruption in 1257—the biggest in the last 3,700 years—was so vast that it left its mark at opposite ends of the Earth and exacted a profound short-term impact on the climate, including a "year without a summer." Its chemical signature appears in Arctic as well as Antarctic ice, while in Europe, medieval records discuss plunging temperatures and ruined harvests, the BBC reports. Now, experts believe they've figured out which volcano was responsible—and it's in Indonesia. The Samalas Volcano, on the country's Lombok Island, isn't so imposing today: The area is dominated by a crater lake. In order to find the volcano, "We conducted something similar to a criminal investigation," a researcher says.

"We didn't know the culprit at first," he says, "but we had the time of the murder and the fingerprints in the form of the geochemistry in the ice cores, and that allowed us to track down the volcano responsible." Chemical traces in the ice seem to match data from the Lombok region, ranging from material ejected to tree rings to historical records of a local kingdom that fell around the same time. "We had geologists, geochemists, geographers, historians, radiocarbon-dating specialists, and many others—all these researchers from different specialties to combine facts," the researcher tells National Geographic. (Another fascinating find: Scientists recently found an underwater volcano—the size of Arizona.)

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Showing 3 of 5 comments
HMD-SMD-ITY
Oct 4, 2013 10:58 PM CDT
I think its time to forgive. She's had all these years of probation with no additional offenses. I know it goes against believe of it being a man but by gosh volcanoes that blow big have to be a woman.
THZebra
Oct 1, 2013 1:31 PM CDT
This story is bunk. I remember the book by Aldous Gorefron. He firmly laid blame of the climate change on large chariots and horse manure.
pg13
Oct 1, 2013 11:05 AM CDT
"We conducted something similar to a criminal investigation." Wow, mister. You should have a TV show. CSI-G Criminal Geology Investigations! (Cue CSI sound: DONNNNG!)