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Vulkaan activiteit wereldwijd samenvatting 7-13 november 2012

Thursday Nov 15, 2012 06:58 AM | DOOR: T

Het meest recente Smithsonian / USGS per vulkanische activiteitenverslag is een van de meer interessante degenen in een tijdje, als volgt samengevat:

-- nieuwe activiteit ---

Cleveland (Aleutians): kleine explosie op 10 Nov, gedetecteerd door ash plume.Kizimen (Kamtsjatka): lavastromen effusing van top en E flank, Top gloeien, sterke activiteit van de gas-en-stoom en warm lawines op de flank S. Thermische anomalie in satellietbeelden gedetecteerd.Paluweh (Flores, Indonesië): ash emissies gedurende 11-13 Nov 8.000 ft (2.4 km) hoogte bereiken.Reventador (Ecuador): nieuwe fase van activiteit begon op 9 November, gekenmerkt door lavastromen van de krater, groeiende lavakoepel met rock valt nu hoogste punt van vulkaan, toename van seismiek, thermale anomalieën in satellietbeelden gedetecteerd.Villarica (Chili): tekenen van ontwaakt ontluikt, stomen (geen gloeien waargenomen sinds medio April). --- lopende activiteit ---Fuego (Guatemala): kleine Stromboli explosies met ash wolken 250-400 m hoogte, lavastroom 200-500 m lang naar beneden de afvoer Gris.Karymski (Kamtsjatka): matig seismische activiteit, thermische anomalie, explosie op 10 november met ash plume tot 5,5 km (18.000 ft) hoogte.Kilauea (Hawaii): Lava lake in Kilauea's Halema'uma'u and elevated spattering / lava lake / small lava flow activity in Pu'u 'O'o Crater. Lava flows active in the Royal Gardens subdivision and across the coastal plain, but about 500 m from the coast.

Lokon (North Sulawesi, Indonesia): small eruption on 11 Nov.

Ruapehu (New Zealand): summary of activity Jan-Oct, crater lake cooler than in Jan, no unusual signs of activity.

Sakurajima (Japan): explosions mainly from Showa Crater with ash plumes up to 4 km altitude and ejecta landing in up to 1.3 km distance. Very small eruptions at Minami-dake Crater during 8-9 Nov.

Shiveluch (Kamchatka): viscous lava flow from lava dome, hot avalanches, ash emission on 12 Nov.

Tongariro (New Zealand): field report from 5 Nov and gas measurements - elevated degassing, low seismic activity.
---
Koppelingen / Bronnen:
Vorig nieuws

Wednesday, Nov 14, 2012
Join us op een spannende vulkaan reis over de hele wereld naar Hawaï, Vanuatu, Nieuw-Zeeland, Indonesië [meer...]
Monday, Nov 12, 2012
Sheveluch volcano in Kamchatka produced a moderate explosion with ash rising about 2 km above the volcano to an altitude of 14,000 ft (4.2 km) and drifting south. VAAC Tokyo could not identify the ash on satellite data, but issued an alert. ... [meer...]

Sunday, Nov 11, 2012
We zijn trots om onze eerste gedrukte vulkaan kalender. ... [meer...]

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