Satellite image of the ash eruption of Pinatubo in the Philippines, which erupted on 12 June 1991 after being dormant for 611 years. The following year, the average temperature worldwide fell by half a degree.
>> Volcanism – Recent findings on the risk of volcanic eruptions
>> Ash eruption of Pinatubo
>> Examples of major cities situated near to active volcanoes
>> Laki Rift, Iceland
