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Diaporama
Lewotolok volcano (Lembata Island, Indonesia): alert status raised as seismic activity under volcano increases
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. ... [details]
Lewotolo volcano (Lesser Sunda Islands, Indonesia): alert level raised due to increased seismic activity
Recent seismic activity at Lewotolo volcano (image: PVMBG)
Sunday, Oct 08, 2017
The alert level of the volcano was raised yesterday from from Level I (Normal) to Level II (Alert), the Indonesian volcano monitoring agency PVMBG reported. ... [details]
 

Lewotolo volcan

stratovolcan 1423 m / 4,669 ft
Petites îles de la sonde, Indonésie, -8.27°S / 123.51°E
Condition actuelle: normal / en sommeil (1 sur 5)
Lewotolo webcams / données en temps réel | Reports
Lewotolo livres
Last update: 2 Jan 2019 (increases seismic activity, degassing)
Style éruptif tipique: Explosive
Eruptions du volcan Lewotolo: 1951, 1920, 1899, 1864, 1852, 1849, 1819, 1660
HeureMag. / DepthDistanceLocation
Sun, 1 Dec 2019
Sun, 1 Dec 21:18 UTCM 2.7 / 10 km25 kmFlores Region, Indonesia
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.

Introduction:

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

Lewotolo Photos:

Ile Api (Lewotolo) volcano on Lembata island is seen in the east. (Photo: Tom Pfeiffer)
Ile Api (Lewotolo) volcano on Lembata island is seen in the east. (Photo: Tom Pfeiffer)



Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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