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Volcanoes Today, 19 Apr 2014: Ubinas, Etna, Momotombo
Saturday Apr 19, 2014 09:00 AM |Etna (Sicily, Italy): Etna's New SE crater and the team of VolcanoDiscovery in Italy (aka OPEC) and elsewhere wishes you a Happy Easter!
Momotombo (Nicaragua): INETER reported that the shore of Lake Managua retreated in some areas close to the epicenters of the recent earthquakes. Residents from the area Xiloá-Apoyeque, located about 2 km east of Comarca el Marañonal (at km 17 on the Xiloá highway) observed that the beach retreated for 16 meters on a strech of 500 m length.
This regression corresponds to a drop in lake level by 40 cm, but could also be a result of uplift of this area by the same amount. The latter seems a more plausible explanation, given that it appears that the lake shore only regressed in this area.
As of 19 April, seismic activity has continued to show a gradual decrease as aftershocks from the 10 and 11 April quakes become less and less frequent.
Ubinas (Peru): A relatively strong ash emission was reported from last night (19:00 local time), inferred by seismic and infrared data.
VAAC Buenos Aires issued an alert of an ash plume at 28,000 ft (8 km) altitude drifting SE. MODIS hot spot data show an increased thermal anomaly present at the volcano's summit, suggesting that the amount of lava present there has grown.
Volcanic activity worldwide 18 Apr 2014: Fuego, Ubinas, Sinabung, Nishino-shima, Santa María / Sant...
Friday, Apr 18, 2014
Chirpoi (Kurile Islands, Russia): SVERT reported that on 13 April satellite images over Snow, a volcano of Chirpoi, detected steam-and-gas emissions. Cloud cover obscured views on the other days during 9-15 April. The Aviation Color Code remained at Yellow. (Smithsonian / USGS Weekly Volcanic Activity Report 9-15 April 2014) ... [more]
Thursday, Apr 17, 2014
Wednesday, Apr 16, 2014
Kilauea (Hawai'i): Kilauea summit tiltmeters record continued DI inflationary tilt (+3 microradians over the past 36 hrs) and the lava lake is now at an estimated 48m (157ft) below the floor of Halema`uma`u crater. Gas emissions continued to be elevated at the summit eruption. The Pu`u `O`o eruption, on the East Rift Zone of Kilauea, continued to be sluggish with no significant changes. ... [more]
Monday, Apr 14, 2014
Sunday, Apr 13, 2014
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