Over the past 6 years I’ve watched Chiles-Cerro Negro go through 4 different phases of unrest. Like a toxic lover, no matter how much I try, I can’t shake this volcano. I honestly thought I was ...

A repost from 2016, written by Henrik and part of our series on volcanoes of the American west. There is enough there to make any nation proud! This follows on from the post on Mount Shasta and on ...

On November 5, a M9.0 earthquake hit the area from Kamchatka to Sakhalin. It caused a devastating tsunami. Over 2000 people were killed in the fishing town of Severo Kurilsk, on one of the islands ...

On 15 July, a video of an explosive eruption of Erta Ale (Afar Region, Ethiopia) volcano was briefly discussed in the comment section. It was a small ash plume emerging from the summit of the ...

Before we move on to have a look of the geological history of Shasta, it is worth noticing that because of the meteorological conditions, quite often a difference of 60C or more between the valley to ...

A top-secret development on Mount Rainier came out in the open this morning. There was widespread surprise and excitement when people in Tacoma and Seattle saw a rocket launched from the summit of the ...

A top-secret development on Mount Rainier came out in the open this morning. There was widespread surprise and excitement when people in Tacoma and Seattle saw a rocket launched from the summit of the ...

Since April 2024, Mount Spurr has shown increasing signs of activity. These are now at a level where an eruption is plausible. Nothing is ever guaranteed with Alaskan volcanoes: they can always decide ...

The Toba eruption was twice as as Atitlan. But it produced a similar amount of sulphate in the ice cores. VEI is not everything. Climate impact With these estimates, the amount of sulphur produced by ...

Another Holocene eruption happened on the valley floor, 20 km to the south of Dofen, more or less where the current dike is happening. A dike rose under the sediments filling the rift, but it wasn’t ...

Lewotobi Laki-laki erupts quite regularly, on average about once a decade. These eruptions can last a long time: 6 months is not unusual and the 1921 eruption lasted almost a full year. On the VEI ...

The rivers feed the same large body of water at their terminus, though with different entry points. The original Aral Sea is (or was, around 1960) a brackish-water lake covering an area of 67,499 km 2 ...