arch22
EN_01204006_4725
If a volcano erupts and there is no one there to see it, did it really erupt? Before the advent of satellites and seismic monitoring, volcanic eruptions in distant places would mostly go unnoticed unless they were absolutely extraordinary. Today, scientists can pick up signatures of events occurring far from any human observers. That was the case in late April and early May 2016 when satellite sensors detected signs of a volcanic eruption in the far South Atlantic Ocean between South America and Antarctica. Mount Sourabaya, a stratovolcano on Bristol Island, appeared to be erupting for the first time in 60 years. There are no human residents of the island, which is almost always covered in glacial ice and snow.//NASA_1256.003
2016-05-11
NASA/SIPA/EAST NEWS
SIPA
NASA/SIPA
SIPA.00755143000003
0,7MB
36cm x 24cm przy 300dpi
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