The sun's radiance has dropped slightly since the 1970s, and dust thrown up
by recent volcanic eruptions, especially that of Mexico's El Chichon in 1982, should be keeping some sunlight from reaching the planet.
The city contains the Horta Regional Museum which has a permanent exhibit, Exhibition of Capelinhos Volcano that details in photographs the most
recent volcanic eruption in the Azores in 1957.
Now, research suggests that for the past decade, such stratospheric aerosols — injected into the atmosphere by either
recent volcanic eruptions or human activities such as coal burning — are slowing down global warming.
Airline traffic changes due to
a recent volcanic eruption can rack up unanticipated expenses to flight cancellations, lengthy diversions and additional fuel costs from rerouting.
Taylor says that the high levels of sulphur dioxide in the venusian upper atmosphere are also almost certainly due to
recent volcanic eruptions.
The Korea Institute of Geoscience and Mineral Resources (KIGAM) indicated that there are the traces that indicated that
a recent volcanic eruption was evident 5,000 years ago.
Some 2.7 billion years ago, in what is now Omdraaisvlei farm near Prieska, South Africa, a brief storm dropped rain on a layer of ash from
a recent volcanic eruption.