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The National Institute of Geophysics and Volcanology, Etneo Observatory (INGV) reported that a sudden, powerful explosion occurred at 14:18 local time yesterday from the NE crater.
The height of an ash plume is unknown and was not reported yet as visibility was partially limited due to dense clouds, but from the observatory's bulletin it dissipated towards the NE direction.
Partial collapse of the eruption column caused a pyroclastic flow that descended on the Sciara del Fuoco and reached the sea.
A small lava overflowed the north crater rim that has reached approx. 750 m elevation. It now appears cooling.
A sharp peak in tremor accompanied the event approx. one minute before the explosion and later decreased again to medium-low values.
Stromboli volcano (Eolian Islands, Italy): pyroclastic flow followed major explosion
The National Institute of Geophysics and Volcanology, Etneo Observatory (INGV) reported that a sudden, powerful explosion occurred at 14:18 local time yesterday from the NE crater.
The height of an ash plume is unknown and was not reported yet as visibility was partially limited due to dense clouds, but from the observatory's bulletin it dissipated towards the NE direction.
Partial collapse of the eruption column caused a pyroclastic flow that descended on the Sciara del Fuoco and reached the sea.
A small lava overflowed the north crater rim that has reached approx. 750 m elevation. It now appears cooling.
A sharp peak in tremor accompanied the event approx. one minute before the explosion and later decreased again to medium-low values.
Stromboli: Plate Tectonic Setting
Like Mount Etna on the island of Sicily, Stromboli is a part of the Calabrian volcanic arc. The volcanoes of the Calabrian arc are associated with the subduction of the African tectonic plate under the Eurasian plate. Stromboli is located on a NE-SW trending fault system, but the mechanisms which feed the volcano's magma chamber, and their relationship to the fault system, are poorly understood.
originally posted by: Montana
I am seeing rhythmic tremors on Mt Hood today. Anyone know if there are human activities in the are that could be a cause?
Peru will declare emergency status in the area around the Ubinas volcano in the southern region of Moquegua, the prime minister said on Monday, as the country's most active volcano has been spewing ash for several days.
The National Institute of Civil Defense (Indeci) said in a statement that the area's status alert has been raised to "orange" from yellow according to national standards after the volcano showed ash spill that reached 1,700 meters in height.