The local people and scientists prepared for a big eruption, but the lava dome did not collapse.
It is also one of the five biggest eruptions of the past 200 (and probably 300) years.
"Otherwise we're looking at a potentially huge eruption, bigger than anything we've seen in years".
This was the biggest Antarctic eruption in the last 10,000 years.
The last big eruption was three and a half years earlier, on September z6, 1984.
Popocatepetl has had more than 20 big eruptions since the arrival of the Spanish in 1519.
The other school prefers to seek the cause of the global mayhem in natural processes like big volcanic eruptions.
The biggest eruption is from the very company that caused the whimpering in the first place, Random House.
The eruption on April 4 was described as being the biggest eruption to date.
It is believed to be that this was the biggest eruption in Antarctica in the last 10,000 years.