Central Kamchatka Depression

The Central Kamchatka Depression is a roughly 100km wide valley between two volcanic belts, the Sredinny Ridge and the Eastern Kamchatka Ridge in the middle of the Kamchatka Peninsula. The Central Kamchatka Depression (CKD) is known as the most active arc volcano system in the world (*1). CKD’s volcanic activity is mostly clustered in the…

Tolbachik

Tolbachik is a basaltic volcanic complex, located at the southern end of the Kliuchevskoi volcanic group in the Kamchatka Peninsula, Russia.  The complex is made up of Ostry Tolbachik (3,682m); Plosky Tolbachik (3,085m) and the Tolbachik Lava Field. Ostry Tolbachik (3,682 m) is an extinct stratovolcano.  Plosky Tolbachik is shield volcano with nested Holocene Hawaiian-type…

Alaid: Part 1 – the banished beauty

From the waters of the Sea of Okhotsk rises a vision of natural beauty. Located some 70 km west of the tip of the Kamchatka peninsula is a volcanic island of near-perfect symmetry, its treeless sides curving gracefully upwards to a flat-profiled crater top that is often crowned with snow. Its shape has been an…

Activity update around the world

Etna has had its ‘paroxysm’ #many. Every eruption is spectacular, but when they are so frequent it gets easier to focus on what is different with every eruption. Bruce Stout and Newby noted that the activity lasted much longer than previously in this series of paroxysms. Why this is, is off course a mystery, but…