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Fotos al azar
Recent seismic activity under Lewotolok volcano (image: Magma VSI)
Wednesday, Jan 02, 2019
The volcano observatory raised the alert status of the volcano to 2 ("Waspada" on the Indonesian 1-4 scale), as an increase of volcanic earthquakes and fumarolic activity had been observed during the past week. ... [Leer más]
Recent seismic activity at Lewotolo volcano (image: PVMBG)
Sunday, Oct 08, 2017
El nivel de alerta del volcán fue levantado ayer de nivel I (Normal) a nivel II (alerta), el volcán indonesio supervisión Agencia PVMBG registrado. ... [Leer más]
 

Lewotolo volcano

estratovolcán 1423 m / 4,669 ft
Menores Islas de la Sonda, Indonesia, -8.27°S / 123.51°E
Current status: restless (2 out of 5)
Lewotolo webcams / datos en tiempo real | Reports
Lewotolo volcano books
Last update: 2 Jan 2019 (increases seismic activity, degassing)
Typical eruption style: Explosivos
Erupciones del volcán Lewotolo: 2012, 1951, 1920, 1899, 1864, 1852, 1849, 1819, 1660
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Mon, 10 Dec
Mon, 10 Dec 12:19 UTCM 3.8 / 10 km41 kmFlores Timur (2 MMI)
Lewotolo (or Ile Api Lewotolok) volcano on the eastern end of a peninsula of Lembata (formerly Lomblen) Island forms a perfect symmetrical cone. The stratovolcano has 2 craters of 900x800 m and 250x200 m in diameter.
Many lava flows have reached the coastline. Historical eruptions, recorded since 1660, have consisted of explosive activity from the summit crater.

Background:

Lewotolo's lavas are remarkable because they contain the rare mineral zirconolite (CaZrTi2O7).
Source/literature:
"Volatile-induced transport of HFSE, REE, Th and U in arc magmas: evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia)" Jan C. M. de Hoog and Manfred J. van Bergen, Contributions to Mineralogy and Petrology, Volume 139, Number 4, 485-502

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