Volcanic activity worldwide 16 Dec 2014: Kilauea volcano, Lopevi, Nevado del Ruiz, Zhupanovsky, Popocatépetl
Tuesday Dec 16, 2014 21:00 PM |
Lava flow map as of yesterday (USGS)
Small explosion from Popocatépetl this morning
Zhupanovsky (Kamchatka, Russia): Intermittent ash emissions continue to occur from time to time from the volcano. A plume of volcanic ash at 14,000 ft (4.2 km) altitude extending ENE was reported last night (Tokyo VAAC).
Ash emission from Nevado del Ruiz yesterday (INGEOMINAS)
Lopevi (Vanuatu ): Vanuatu's Geohazard unit has raised the alert level for the stratovolcano, as seismic activity has strongly increased "in a very short time span.
From visual and satellite observations, it is clear that the volcano is in an eruption phase."
The island of Lopevi has been declared a "NO GO ZONE" until further notice.
Kilauea (Hawai'i): The active lava lobe that has been advancing along the northern flow margin of the lava flow that had entered Pahoa in Nov, but then stopped, continues to advance towards the town and is now only approx. 1700 m away from the commercial center of the town.
Its speed in the past days averaged about 250 m, i.e. it could reach Pahoa in about a week if it continues at this speed and if it continues to follow the path of steepest descent. This path, calculated by HVO, would intersect the main road near the supermarket.
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Popocatépetl (Central Mexico): No significant changes in activity have occurred recently. The volcano has occasional small explosions producing steam and ash plumes, and lava continues to arrive and slowly fill the inner summit crater, resulting in glow visible at night.
Nevado del Ruiz (Colombia): Eruptive activity has started at the volcano in the form of abundant ash emissions from the volcano's summit crater since yesterday.
The volcano had been under increased vigilance since 3 Dec, when seismic activity started to pick up and suggest important internal changes.
It is impossible to say whether the new activity is or will become a magmatic eruption and how it will continue. For now, the Manizales observatory maintains alert level 3 (yellow) unchanged.
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Batu Tara (Sunda Islands, Indonesia): (12 Dec) During our recent expedition to Batu Tara, we witnessed a spectacular increase in activity during the night 3-4 Nov, culminating in a small pyroclastic flow triggered by a collapsing lava fountain and increased effusive activity from the dome. Andi and Till managed to capture the event on photos. ... [meer...]
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