The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
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Volcanic activity worldwide 8 Nov 2013: Yasur, Momotombo, Etna
Friday Nov 08, 2013 17:03 PM |
Strombolian eruption from NSEC this night
Ash emission from Yasur yesterday (webcam view)
Current seismic signal at Momotombo volcano (MOMN station, INETER)
Etna (Sicily, Italy): Explosions from the New SE crater continued over night and this morning, although their frequency and size has decreased. Tremor levels have remained essentially unchanged and are still low.
Yasur (Tanna Island, Vanuatu): Strong semi-continuous ash emissions and relatively strong strombolian explosions that eject large bombs outside the crater were reported by John Seach, a regular visitor to the volcano. The ash falls damage vegetation near the volcano and some ash fall was reported from Erromango Island located 150 km north of Yasur. John mentions large lava bombs of 4 meters in diameter.
Momotombo (Nicaragua): A small seismic swarm occurred at the volcano today. A cluster of small earthquakes of magnitudes around 1 were detected on 6 Nov under the southern flank.
Etna (Sicily, Italy): Explosions with ejection of incandescent material from the NSEC started again. Some relatively large explosions occurred at 11:51, 12:37, and 13:06 UTC. Tremor has been rising and an earthquake swarm occurred earlier at depths of 10-20 km beneath the SW flank. This could be a sign that the next paroxysm is not far away. At the moment, the tremor has decreased again a bit. ... [more]
Etna (Sicily, Italy): While the summit craters have remained calm, seismic activity shows continuing unrest at the volcano. A number of relatively shallow earthquakes occurred this morning under the volcano. ... [more]
Shiveluch (Kamchatka): An small ash plume rising to 12,000 ft (3,6 km) was detected at 11:00 UTC by VAAC Tokyo this morning (20:00 local time), suggesting another eruption (likely partial collapse from the dome). Video data show increased incandescence at that time, confirming this interpretation. ... [more]
Stromboli (Eolian Islands, Italy): Activity has remained similar since our previous visit 9 days ago: most activity is at the NW crater (towards Ginostra), where 3 vents are active and produce mild to strong strombolian explosions (to heights of up to 250 m approx) at rates of one every 5 minutes approximately, mostly from the eastern vent and sometimes from the tall hornito to the north. The eastern vent also shows weak spattering and continuous glow, suggesting a high magma level within its conduit. ... [more]
Merapi volcano photos: One of the most active and most dangerous volcanoes of Indonesia: Merapi meaning "the one who makes fire", is a feared but also venerated holy mountain looming over the city of Yogyakarta, capital of Central Java.
Volcanic Ash Advisory Centres: Much current eruption news is provided by the 9 Volcanic Ash Advisory Centres (VAAC) distributed around the globe. The VAACs provide a vital service for aviation safety.
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