The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
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Current tremor signal (ESLN station, INGV Catania)
Powerful strombolian explosion from Sakurajima at 13:48 UTC on 27 Sep (22:48 local time)
Steam plume and discolored water around the new submarine eruption site (NASA / Terra satellite image 28 Sep, annotated by Blog Culture Volcan)
Etna (Sicily, Italy): Activity at the New SE crater has eased for now. Some occasional small strombolian explosions were last noted about 2 days ago. Tremor amplitude has decreased slightly as well.
Sakurajima (Kyushu, Japan): Activity fluctuates on a scale of few days, but remains at relatively high levels overall. Explosions from the Showa crater often follow each other at intervals of few hours, and ash plumes regularly surpass 10,000 ft altitude (something that had been more rare during the past years). Most explosions are of vulcanian type (strong fragmentation of solid material blocking the vent, generation of tall ash plumes, often with shock waves and explosion sounds) and more rarely strombolian, with mainly incandescent lava ejected in fountains of several hundred meters and only little ash. Following most explosions, the volcano usually continues to near-constantly emit ash plumes of various size for several hours. These plumes, when observed during the past days, were up to about 500 m tall, with sometimes weak strombolian activity visible reaching above the crater rim.
Jebel Zubair (Red Sea): A submarine eruption started yesterday (28 Sep) NW of the island Jebel Zubair and SW of the site of the 2011-12 eruption. The activity manifestated itself in form of a strong SO2 anomaly and steam plume spotted on satellite imagery. No signs of activity are visible on images taken on 27 Sep, which confirms that the eruption started yesterday. The presence of the significant steam plume suggests that the eruption vent is a shallow depth (less than 100 m), and possibly in the stage of producing so-called surtseyan activity (violent steam-driven explosions breach the surface with jets of water and steam, and become more and more rich in lava fragments as the vent becomes shallower). often
Etna (Sicily, Italy): Strombolian activity continues at the New SE crater. Whether (and when) this might lead to another paroxysm is unclear. The volcanic tremor signal is still relatively low. ... [more]
Etna (Sicily, Italy): Sporadic small ash emissions have reappeared from the New SE crater during the past days, although weather conditions did not often allow direct observation. Since about 4 days ago, tremor has been showing a slowly rising trend, although it is still at low levels. ... [more]
Shikotsu (Hokkaido): The latest report of the Japan Meteorological Agency indicates some unrest at the caldera. Seismic activity accompanied by inflation were recorded under the western flank of Tarumai stratovolcano (the most active vent of the system, located on the SW rim of the Shikotsu caldera) between late June and early July this year. ... [more]
Merapi volcano photos: One of the most active and most dangerous volcanoes of Indonesia: Merapi meaning "the one who makes fire", is a feared but also venerated holy mountain looming over the city of Yogyakarta, capital of Central Java.
Volcanic Ash Advisory Centres: Much current eruption news is provided by the 9 Volcanic Ash Advisory Centres (VAAC) distributed around the globe. The VAACs provide a vital service for aviation safety.
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