The oldest chronicle of volcanoes

Some trees in the Northern Hemisphere have “preserved” the behavior of volcanoes and rings that form in these situations are thinner than normal.

The summer colds that occurred in the last 400 years are due to strong volcanic apparitions. This is believed by researchers who study the rings of trees. Some trees in the Northern Hemisphere have “preserved” the behavior of volcanoes, since the rings formed in these situations are thinner than normal. So far, these investigations are being carried out in 134 North American and European groves, comparing the structure of the rings with information about volcanic manifestations.

Babesleak
Eusko Jaurlaritzako Industria, Merkataritza eta Turismo Saila