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Summary of world-wide volcanic activity (Smithsonian / USGS Weekly Volcanic Activity Report)

Thursday Mar 15, 2012 09:13 AM | BY: T

The new Smithsonian / USGS Weekly Volcanic Activity Report summarized:
-- new activity ---
Bezymianny (Kamchatka): strong explosive eruption on 9 March, ash plumes from explosion and pyroclastic flows rising to 8 km (26,200 ft) altitude a.s.l. and plume drifting 700 km NE
Cleveland (Aleutians): small explosions on 7 and 9 March
Ijen (East Java, Indonesia): raised alert because of increased seismicity and visual observations
Iliamna (Alaska): increasing seismic activity, alert raised to yellow
Lamongan (East Java, Indonesia): raised alert because of increased seismic activity and steaming
Marapi (Sumatra, Indonesia): ash eruptions in early March
Nevado del Ruiz (Colombia): significant increase in seismicity during 5-11 March, large gas plume
Tungurahua (Ecuador): increasing activity on 12-13 March with ash plumes 2-3 km high and ash fall in areas W and SW of the volcano.

--- ongoing activity ---
Karmysky (Kamchatka): possible ash plumes to an altitude of 3.4 km (11,000 ft) a.s.l. on 3 March, thermal anomaly
Kilauea (Hawai'i): lava flows continued to advance down the pali and across the coastal plain, active lava lake in Halema'uma'u
Kizimen (Kamchatka): moderate seismic activity, large lava flow on the E flank and accompanying hot avalanches
Puyehue-Cordón Caulle (Chile): eruption continuing at low levels, ash and steam plumes reaching 0.7-1.2 km height and drifting 30-50 km to the east
Sakura-jima (Japan): increased activity with plumes from explosions reaching up to 3 km altitude
Santa Maria / Santigaguito (Guatemala): ash explosions up to 800-1000 m high, viscous lava flow on S, SW and NE flank of dome
Shiveluch (Kamchatka): low seismic activity, small viscous lava flow in the 2010 crater, moderate fumarolic activity at the lava dome, thermal anomaly
Villarica (Chile): 2 small ash emissions from Villarica occurred on 7 March. Incandescence from the crater was observed from the town of Pucon (16 km N) during 7-8 March.
---
Links / Sources:
Previous news
Monday, Mar 12, 2012
A technically minor, but visually obvious design change was just implemented,- everything stays the same, but we thought to add a picture to the top... I hope you like the change! ... [more]
Thursday, Mar 08, 2012
The new Smithsonian / USGS Weekly Volcanic Activity Report summarized: ... [more]
Thursday, Mar 01, 2012
The new Smithsonian / USGS Weekly Volcanic Activity Report is out. It includes: ... [more]

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