Azas volcan

Mise à jour: 8 août. 2022 07:38 GMT - Refresh
champ volcanique 2765 m / 9,071 ft
Southeastern Russia, 52.52°N / 98.6°E
Condition actuelle: normal / en sommeil (1 sur 5)

The Azas Plateau (also known as the (Northeast) Tuva or Khamsara-Biykhem Plateau) is a large volcanic field is west of the SW tip of Lake Baikal and north of the border with Mongolia. The volcanic field contains cinder cones and lava flows, some of which are less than 10,000 years old.

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Style éruptif tipique: effusif
Eruptions du volcan Azas: unknown, less than 10,000 years ago
Derniers séismes proches: No recent earthquakes

Introduction

The Azas Plateau covers an area of about 2000 sq km and is the westernmost volcanic province of the Baikal Rift System. Its surface is eroded by glaciers who have cut broad valleys and left several table-mountains of hyaloclastites and lava flows.
The 2765-m-high Shivit-Tayga stratovolcano is one of the most prominent features of the Azas Plateau and is capped by 2 craters that once contained lava lakes.
Derbi-Tayga is a 2605-m-high glacially eroded shield volcano.
The surface of the Ulug-Arginsky cinder cone is dotted with large granitic erratics, and is probably late Pleistocene in age.
Some valley filling basaltic flows in the Azas Plateau are not glacially eroded and could be Holocene in age, as well as well-preserved lava flows near the Bii-Hem River.
(Smithsonian / GVP information)


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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