Mount Shasta is composed of four overlapping cones, or five if you count the destroyed cone of ancestral Shasta, which together form the main peak Shasta and the satellite cone Shastina. At 3,760 ...

The highest volcano in the world is Cerro Ojos del Salado. It is a stratovolcano in South America’s Central Volcanic Zone, reaching an impressive 6893 meters above sea level (or at least above ...

The most common origin of pillow lavas is a mid-oceanic spreading centre. That has also been suggested for the Barberton rocks. But it has been questioned. The eruptions began 3.54 Gyr ago and lasted ...

The origin of the name ‘Marmara Sea’ is rather more prosaic, albeit also Greek. It is named for its marble, which was found on islands in the southwest part of the sea. The Marmara Sea is 280 km long ...

The highest volcano in the world is Cerro Ojos del Salado. It is a stratovolcano in South America’s Central Volcanic Zone, reaching an impressive 6893 meters above sea level (or at least above what ...

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 ...

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 ...

The area is much better suited to Icelandic tourism than the Blue Lagoon ever was, since it is natural, offers a much greater choice and has a great variety of landscapes and volcanic features. It is ...

This page contains useful links and graphics for the current notable event. The following is for mbl.is cameras, with a Thorbjorn focus March 2024 cams, MBL RUV operates several camera: March 2024 ...