Yasur volcan

stratovolcan 361 m (1,184 ft)
Tanna Island, Vanuatu, -19.53°S / 169.44°E
Condition actuelle: en éruption (4 sur 5)
Last update: 7 déc. 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)
Strombolian activity at Yasur volcano
Strombolian activity at Yasur volcano

Yasur is the most well known volcanoes of Vanuatu and one of the most active volcanoes in the world. Yasur is known for its spectacular persistent strombolian activity that consists of regular small to violent explosions from one or several vents.

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Style éruptif tipique: persistent strombolian activity
Eruptions du volcan Yasur: ongoing since at least AD 1774 (but likely many centuries before)

No recent earthquakes
HeureMag. / ProfondeurDistance/Lieu

Introduction

Yasur, the best-known and most frequently visited of the Vanuatu volcanoes, has been in more-or-less continuous strombolian and vulcanian activity since Captain Cook observed ash eruptions in 1774. This style of activity may have continued for the past 800 years. Yasur, located at the SE tip of Tanna Island, is a mostly unvegetated 361-m-high pyroclastic cone with a nearly circular, 400-m-wide summit crater. Yasur is largely contained within the small Yenkahe caldera and is the youngest of a group of Holocene volcanic centers constructed over the down-dropped NE flank of the Pleistocene Tukosmeru volcano. The Yenkahe horst is located within the Siwi ring fracture, a 4-km-wide, horseshoe-shaped caldera associated with eruption of the andesitic Siwi pyroclastic sequence. Active tectonism along the Yenkahe horst accompanying eruptions of Yasur has raised Port Resolution harbor more than 20 m during the past century.
(source: Global Volcansim Project)

Yasur Photos

Eruption nocture du Yasur avec des étoiles et la lune... (Photo: Tom Pfeiffer)
Eruption nocture du Yasur avec des étoiles et la lune... (Photo: Tom Pfeiffer)
Forte explosion strombolienne au Yasur dans la lumière du soir. (Photo: Tom Pfeiffer)
Forte explosion strombolienne au Yasur dans la lumière du soir. (Photo: Tom Pfeiffer)
Eruption du Yasur avec les étoiles du sud et la lune. (Photo: Tom Pfeiffer)
Eruption du Yasur avec les étoiles du sud et la lune. (Photo: Tom Pfeiffer)
La plaine à l'est du cone du Yasur est couverte par des nombreuses bombes qui ont été éjectées jusqu'ici par des fortes explosions passées. (Photo: Tom Pfeiffer)
La plaine à l'est du cone du Yasur est couverte par des nombreuses bombes qui ont été éjectées jusqu'ici par des fortes explosions passées. (Photo: Tom Pfeiffer)
 



Voyages au volcan Yasur :
Feu au Paradis des Mers du Sud - Vanuatu (Expédition de 15 jours sur les volcans actifs du Vanuatu: Yasur, Marum et Benbow)
Rêve Planétaire - Le Tour des Volcans du Monde (4 semaines de découvertes autour du Monde à Hawai'i - Vanuatu - Nouvelle Zélande - Indonésie)

See also: Sentinel hub | Landsat 8 | NASA FIRMS
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