The health side effects of volcano eruptions

CNN Meteorologists Allison Chinchar explains what "vog," or volcano smog is and how it can be a dangerous side effect of volcanoes.

Posted: Nov 21, 2018 7:18 PM
Updated: Nov 21, 2018 7:48 PM

It's easy to look back on the past through rose-tinted glasses, as the saying goes, but new research suggests that the mid-sixth century was definitely a time to forget.

A team of historians and scientists has identified A.D. 536 as the beginning of a terrible sequence of events for humankind.

A massive volcanic eruption spewed a huge cloud of ash that shrouded the Northern Hemisphere in darkness and caused a drop in temperatures that led to crop failure and starvation, said co-lead study author Professor Christopher Loveluck of the University of Nottingham in the UK.

Then the misery was compounded in A.D. 542 as cold and hungry populations in the eastern Roman Empire were struck by the bubonic plague.

Now, in collaboration with glaciologist Paul Mayewski at the Climate Change Institute of the University of Maine in Orono, Loveluck's team has identified the source of the cloud.

By analyzing ice samples from the Colle Gnifetti Glacier in the Swiss Alps, the researchers were able to identify atmospheric pollutants deposited over the past 2,000 years, according to the study, published last week in the journal Antiquity.

Substances found in the ice provide evidence that the eruption took place in Iceland, not California, as suggested by previous research.

The eruption and the 542 plague outbreak caused economic stagnation in Europe, which lasted more than 30 years until 575, when there were early signs of recovery, Loveluck said.

This recovery is evidenced by a spike in airborne lead particles that show up in ice samples.

Lead ore was used to smelt silver, and its presence provides evidence that the precious metal was once again in demand for making new coins as the European economy started to grow quickly in 640, according to Loveluck.

"There is evidence of total economic transformation between 640 and 660," Loveluck said.

We might think that we have a lot to complain about in 2018, but at least we're not fighting off the plague as we shiver under a cloud of volcanic ash that blocks out the sun.

Mississippi Coronavirus Cases

Data is updated nightly.

Cases: 307332

Reported Deaths: 7095
CountyCasesDeaths
DeSoto20757248
Hinds19869408
Harrison17475302
Rankin13307275
Jackson13095243
Madison9886210
Lee9854169
Jones8289160
Forrest7522146
Lauderdale7185237
Lowndes6261144
Lamar610284
Lafayette6026117
Washington5279132
Bolivar4769129
Oktibbeha455297
Panola4440103
Pearl River4418139
Warren4277118
Marshall4267100
Pontotoc416472
Monroe4056132
Union403575
Neshoba3984176
Lincoln3869107
Hancock371985
Leflore3468124
Sunflower329389
Tate322681
Pike3177104
Scott310472
Yazoo304268
Alcorn297664
Itawamba296776
Copiah292965
Coahoma289677
Simpson287484
Tippah284668
Prentiss275659
Marion265679
Wayne261341
Leake260973
Grenada254882
Covington254380
Adams245882
Newton244859
George237647
Winston225981
Tishomingo222067
Jasper219748
Attala213273
Chickasaw204857
Holmes186471
Clay182354
Stone179131
Clarke176676
Tallahatchie175240
Calhoun163130
Yalobusha158636
Smith158534
Walthall130543
Greene129433
Lawrence126223
Noxubee125833
Montgomery125542
Perry125138
Carroll120826
Amite119941
Webster113432
Jefferson Davis105332
Tunica102525
Claiborne101330
Benton97225
Kemper95126
Humphreys94332
Franklin81723
Quitman78916
Choctaw72817
Jefferson64828
Wilkinson64727
Sharkey49617
Issaquena1686
Unassigned00

Alabama Coronavirus Cases

Cases: 518588

Reported Deaths: 10712
CountyCasesDeaths
Jefferson753351487
Mobile37698798
Madison33829494
Tuscaloosa25245443
Montgomery23942565
Shelby23094238
Baldwin20617300
Lee15510165
Calhoun14277311
Morgan14137268
Etowah13660345
Marshall11952219
Houston10379278
Elmore9988200
Limestone9806147
Cullman9467188
St. Clair9422234
Lauderdale9208227
DeKalb8745181
Talladega8042171
Walker7087275
Jackson6753110
Autauga6715103
Blount6480135
Colbert6200130
Coffee5397112
Dale4766110
Russell428238
Franklin419882
Chilton4080109
Covington4053114
Tallapoosa3892146
Escambia387574
Dallas3526149
Chambers3499122
Clarke346360
Marion3065100
Pike305475
Lawrence295295
Winston272272
Bibb256258
Marengo248561
Geneva245875
Pickens232959
Barbour224755
Hale218675
Butler212266
Fayette208960
Henry187844
Cherokee182044
Randolph176741
Monroe171240
Washington163838
Macon154348
Clay149354
Crenshaw149257
Cleburne146041
Lamar139234
Lowndes136453
Wilcox124327
Bullock121340
Conecuh109028
Perry107926
Sumter102932
Coosa99228
Greene90734
Choctaw58624
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