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Volcanic activity worldwide 20 May 2014: Kilauea
Tue, 20 May 2014, 21:00
21:00 PM |
: (20 May
) After a week of many changes here on Kilauea, summit tilemeters recorded slowing inflationary tilt. The summit tiltmeters recorded the start of inflationary tilt at 6:30pm on Saturday May 17th - this suggests that the unusual deflationary tilt recorded since May 10 may have been a DI tilt event that totaled almost 8 microradians before the tilt switched.
Because of this deflationary tilt the lava lake dropped around 20m (65ft) is has stabilized at 58m (191ft) below the floor of Halema'uma'u crater. There were 3 days last week that over 100 earthquakes were recorded at the summit of Kilauea each day! ... [read more]
Batu Tara (Sunda Islands, Indonesia)
: (18 May
) The volcano has entered a phase of more vigorous explosions again. In the past days, it produced a series of ash plumes that were detected on satellite imagery. VAAC Darwin reported volcanic ash drifting at 8,000 ft (2.4 km) altitude for 50 km to the west. ... read all
Sinabung (Sumatra, Indonesia)
: (15 May
) Activity at the volcano remains weak. Slow lava extrusion continues along with occasional ash venting and small pyroclastic flows triggered by collapse of parts of the viscous lava lobe on the southern flank. ... read all
Sakurajima (Kyushu, Japan)
: After a series of powerful explosions on 10 May, which produced ash plumes up to 18,000 ft (5.5 km) altitude, the volcano has been quieter again over the past days. ... read all
Etna (Sicily, Italy)
: (11 May
) Near-continuous weak strombolian activity is visible from the New SE crater. Tremor is currently low. ... read all
Cerro Negro de Mayasquer (Colombia)
: (10 May
) The seismic crisis under the volcano continues. Thousands of small earthquakes, both volcano-tectonic (due to rock fracturing caused by magma pressure) and long-period (due to fluid movements) earthquakes continue to be registered. ... read all
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