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Volcanic activity worldwide 6 Apr 2013: volcanically quiet Saturday

Saturday Apr 06, 2013 15:28 PM |

The Caliente lava dome of Santiaguito this morning
The Caliente lava dome of Santiaguito this morning
Telica seismogram this morning (TELN station INETER)
Telica seismogram this morning (TELN station INETER)
Current seismic recording from San Miguel (VSM station, SNET)
Current seismic recording from San Miguel (VSM station, SNET)
Current seismic signal from Reventador (CONE station, IG)
Current seismic signal from Reventador (CONE station, IG)
It seems we have had a relatively calm day (for the volcano world) so far:
Shiveluch (Kamchatka): Moderate seismic activity and weak shallow earthquakes were registered. Hot avalanches (collapse of parts of the growing dome) and possibly explosions accompanying this process produced a plume rising to 20,000 ft (6 km) altitude yesterday. Strong degassing and steaming are continuous.

Sakurajima (Kyushu, Japan): Vulcanian explosion-type eruptions have been relatively infrequent recently (only 0-2 per day), but some of them produced ash plumes rising as high as 12,000 ft (3.7 km) altitude.

Taal (Luzon, Philippines): Recently, the number of earthquakes has dropped to low (normal) levels of 0-3 on average. Still, some inflation in parts of the caldera and slightly elevated CO2 emissions are present and PHILVOLCS maintains yellow alert level.

Batu Tara (Sunda Islands, Indonesia): An ash plume rising to 7,000 ft (2.1 km) was spotted again yesterday, indicating ongoing explosions at the remote volcano in the Flores Sea.

Raung (East Java): VSI has lowered the alert level of the volcano down to 2 out of 4 (Waspada) after Raung had been on orange since October. The seismic activity has gradually decreased and currently, there is only degassing, sometimes intense, from the crater.

Tambora (Sumbawa): VSI raised the alert level to 2 (Waspada) on a scale of 1-4, but does not specify the reason (likely increased seismic activity). No further details are known for the time being.

Paluweh (off Flores Island, Indonesia): The lava dome continues to produce explosions and avalanches. An ash plume rose to 10,000 ft (3 km) altitude today and drifted 25 nautical miles to the west.

Popocatépetl (Central Mexico): No significant changes have occurred recently, but the volcano has been a bit calmer again yesterday and today, with an average of 1-2 weak emissions per hour.

Santa María / Santiaguito (Guatemala): Light ash fall from occasional small explosions has been reported in Finca Faro, Finca Florida and until San Felipe Reu. The lava dome otherwise has been very calm over the past days.

Pacaya (Guatemala): INSIVUMEH reports no changes during the last week. Mild strombolian activity continues, and is visible especially at night.

Fuego (Guatemala): Activity remains low, with only few strombolian explosions reported.

Telica (Nicaragua): The seismic swarm continues with again increased strength. Especially the amplitudes of (shallow) volcanic quakes have been bigger than before. This volcano remains a good candidate for a next eruption in Central America.

San Miguel (El Salvador): Volcanic earthquakes embedded in weak tremor remain frequent.

Reventador (Ecuador): A slowly decreasing trend of activity is visible, but there are still occasional small explosions and strong degassing. Volcanic earthquakes and tremor fluctuates between low to moderate levels.

Tungurahua (Ecuador): Seismic activity has again diminished.
Previous news

Friday, Apr 05, 2013
Etna (Sicily, Italy): Today is a very sad day for all free people who like Etna: Etna has become a "forbidden volcano". ... [more]
Current seismic signal from Stromboli (ST8 station, INGV)
Thursday, Apr 04, 2013
Stromboli (Eolian Islands, Italy): Seismic activity remains elevated and accompanies strong explosions, mainly from the NE vent. ... [more]
Lava fountain from Etna's New SE crater during the 9th paroxysm (RadioStudio7 webcam)
Wednesday, Apr 03, 2013
Etna (Sicily, Italy): The 9th paroxysmal eruption from Etna's New SE crater in 2013 has occurring this afternoon and is currently at its peak phase it seems. ... [more]
Current seismic signal from Stromboli (ST8 station, INGV)
Tuesday, Apr 02, 2013
Stromboli (Eolian Islands, Italy): Tremor and explosion signals have further increased today, but no significant new lava overflows have occurred. ... [more]
Stromboli's NE crater with glowing bombs on its flanks from an explosion (INGV webcam)
Monday, Apr 01, 2013
Stromboli (Eolian Islands, Italy): The NE crater continues to produce spectacular and relatively large explosions of bursting lava bubbles. Tremor as well is elevated. ... [more]

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