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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Yasur
A plume rises above the summit crater of Yasur, seen here from the west across Lake Siwi in 1988. Yasur has produced near-continuous Strombolian activity since at least 1774 and this style of activity may have continued for the past 800 years. The mostly-unvegetated cone is has a 400-m-wide summit crater. Photo by Ian Nairn, 1988 (New Zeland Geological Survey).
Volcano Number:
257100
Volcano Name:
Yasur
Country:
Vanuatu
Volcano Type:
Stratovolcano
Last Eruption:
2024 CE
Elevation:
361m
Tectonic Setting:
Subduction zone / Intermediate crust (15-25 km)
Pop. within 5km:
3636
Pop. within 10km:
6068
Pop. within 30km:
24748
Pop. within 100km:
32427
Latitude:
-19.532
Longitude:
169.447
Details
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Yasur has exhibited essentially continuous Strombolian and Vulcanian activity at least since Captain Cook observed ash eruptions in 1774. This style of activity may have continued for the past 800 years. Located at the SE tip of Tanna Island in Vanuatu, this pyroclastic cone has a nearly circular, 400-m-wide summit crater. The active cone 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 open feature associated with eruption of the andesitic Siwi pyroclastic sequence. Active tectonism along the Yenkahe horst accompanying eruptions has raised Port Resolution harbor more than 20 m during the past century.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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