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Mittwoch, Dez 28, 2011
The new island in the Red Sea seen on 23 Dec 2011 (NASA Earth Observatory)
The new island in the Red Sea seen on 23 Dec 2011 (NASA Earth Observatory)
The same area with no island before
The same area with no island before
NASA satellite images show that the eruption in the Red Sea in the Zubair archipelago has produced a new island. The island is circular, about 500 m wide and located about 1 km north of Rugged Island. It consists of fresh probably basaltic lava flows and an active vent seems to be in its center. ...mehr [alles lesen]
Ijen volcano in East Java, famous for its turquoise crater lake and the massive sulfur deposits inside the crater, might be close to an eruption. ...mehr [alles lesen]
Dienstag, Dez 27, 2011
Seismicity between 28 Sep - 27 Dec 2011
Seismicity between 28 Sep - 27 Dec 2011
The number of earthquakes beneath Santorini volcano remains at slightly elevated levels. The activity is concentrated along the volcano-tectonic SW-NE alignment passing through the submarine volcano Kolumbo 8 km to the NE of the island and the center of the caldera where most volcanic vents in the past hundreds of thousands years of activity at Santorini were located.
Mt. Lokon volcano near Tomohon city in North Sulawesi erupted again with 3 explosions on Tuesday (26 Dec) early morning shortly after 3 am local time, the Jakarta Post reports. The eruptions followed a rapid increase in seismic activity detected since Monday. An exclusion zone of 2.5 kilometers around the volcano is in place. ...mehr
Bulusan volcano (Philippines) could be close to a new eruption. The volcano has been showing increased seismic activity and slight inflation on the NNE flank during the past 2 weeks, the Philippine Institute of Volcanology and Seismology (PHILVOLCS) reports. ...mehr
Freitag, Dez 23, 2011
The sulfur dioxide plumes from Nyiragongo volcano (b) and Nyamuragira volcano (t), both in eruption, on 23 Dec 2012 (NOAA)
The sulfur dioxide plumes from Nyiragongo volcano (b) and Nyamuragira volcano (t), both in eruption, on 23 Dec 2012 (NOAA)
The flank eruption of Nyamuragira volcano north of Goma city, DRCongo, which had started in early November, is still going on, although at much smaller intensity than during the first weeks. ...mehr
Donnerstag, Dez 22, 2011
Eruption from Dukono volcano on 21 Dec 2011 (photo: Andi / VolcanoDiscovery Indonesia)
Eruption from Dukono volcano on 21 Dec 2011 (photo: Andi / VolcanoDiscovery Indonesia)
The remote Dukono volcano in Halmahera Island continues to produce ash explosions with plumes rising up to 1 km above the crater. Eruptions are following each other in intervals of 5-15 minutes and there are frequent small tremors.
Mittwoch, Dez 21, 2011
MODIS thermal image of the area of the reported eruption (the Zubair islands are in the center). No hot spot is visible, which could indicate either the eruption was extremely short and small, or there was another cause of the report.
MODIS thermal image of the area of the reported eruption (the Zubair islands are in the center). No hot spot is visible, which could indicate either the eruption was extremely short and small, or there was another cause of the report.
Graphic from VAAC Toulouse showing the location of the reported steam plume above Jebel Zubair in the Red Sea
Graphic from VAAC Toulouse showing the location of the reported steam plume above Jebel Zubair in the Red Sea
(update 21 Dec:) ...mehr [alles lesen]
Dienstag, Dez 20, 2011
Feuerwerk am Stromboli, Italien. Das Foto wurde im Frühjahr 2009 aufgenommen und zeigt eine Explosion des Nordostkraters des in der Abenddämmerung. ...mehr [alles lesen]
Montag, Dez 19, 2011
Versteineter Riesenbaum auf Lesbos
Versteineter Riesenbaum auf Lesbos
Vor vielen Millionen Jahren wuchsen an den Berghängen der Insel Lesbos dichte Wälder. Mammutbäume erreichten enorme Höhen. Irgendwann wurden die Vulkane der Insel nach einer langen Pause wieder aktiv. An zahlreichen Stellen gab es explodierende Krater. Einer der größten Vulkane erzeugte heiße Ascheströme, die sich mit enormer Hitze und Geschwindigkeit über die einst grünen Berghänge wälzten. Die Bäume wurden unter Schichten von 20-60 Meter Asche begraben. ...mehr [alles lesen]
Tungurahua volcano's activity has calmed down. Since 9 December, its activity has consisted only of steaming. No larger explosions or pyroclastic flows have been observed, the Ecuadorian Geohpysical Institute reports in its latest bulletin. Gas measurements show a significant decrease in SO2 emission and deformation shows no indication of new magma rising in the conduit.
The ongoing weak volcanic tremor as recorded by IGN on 19 Dec
The ongoing weak volcanic tremor as recorded by IGN on 19 Dec
Graph published by INVOLCAN showing the drop in CO2 emission levels
Graph published by INVOLCAN showing the drop in CO2 emission levels
The submarine eruption south of El Hierro is still going on, but there are signs magma supply has dropped significantly. Most likely, the eruption which now has lasted over 2 months is approaching its end. ...mehr
Sonntag, Dez 18, 2011
Freitag, Dez 16, 2011
The alert level of Ijen volcano in East Java has been raised to alert/unrest (2 out of 4) due to increased seismic activity and increased temperatures and fumaroles inside the crater, famous for its turquoise acid lake and the sulfur deposits, which are being quarried by workers. ...mehr
Dienstag, Dez 13, 2011
Karte von Jüngsten Erdbeben Unter Santorini, Zeigen Das 3.2 Ereignis bin Kolumbos Vulkan NE von Santorini
Karte von Jüngsten Erdbeben Unter Santorini, Zeigen Das 3.2 Ereignis bin Kolumbos Vulkan NE von Santorini
Um 19 h 22 GMT (21 h 22 Ortszeit) Ereignete Sich Ein 3,2 Erdbeben Auf der Wenig Bekannte Unterseeischer Vulkan Kolumbos ca. 8 km Nordöstlich von Santorini, Island, Griechenland. Dies ist Eines der Größten Ereignisse in Den Letzten Monaten. ...mehr [alles lesen]
The activity of the jacuzzi above the submarine vent near La Restinga (El Hierro) is vigorous today and well visible on the webcam. ...mehr
While the previously frequent earthquakes have almost disappeared, the submarine eruption near La Restinga has gained momentum again over the past days, rising chances that it still could break the surface. ...mehr [alles lesen]
Montag, Dez 12, 2011
Powerful vulcanian explosion at Gamalana volcano (12 Dec, photo: Andi / VolcanoDiscovery Indonesia)
Powerful vulcanian explosion at Gamalana volcano (12 Dec, photo: Andi / VolcanoDiscovery Indonesia)
Evening at Gamalana volcano (12 Dec, photo: Andi / VolcanoDiscovery Indonesia)
Evening at Gamalana volcano (12 Dec, photo: Andi / VolcanoDiscovery Indonesia)
Eruptions are continuing at Gamalana volcano, consisting of moderate to strong ash explosions, as observed by our correspondant on location. Volcanologist Mr Kristianto, head/coordinator of all observatory post in eastern Indonesia, reports 4 explosions on 4 December and numerous volcanic earthquakes. The daily status update reads: ...mehr [alles lesen]
Samstag, Dez 10, 2011
At 6:15pm on December 9, 2011, lava from the September 21st fissure first entered the ocean at East Ka'ili'ili in Hawai'i Volcanoes National Park, 4.5 miles from the end of Chain of Craters Rd, and 3.5 miles from Kalapana Gardens. Lava flows are also vigorously active all across the coastal plain, leaking from the newly formed lava tube, AND are visible flowing down the hillside in large rivers from a distance as well. Please contact us for more information on current accessibility!
Freitag, Dez 09, 2011
If anyone is interested in joining a trip to Nicaragua to see Concepcion, Masaya (Night/Day), San Cristobal, Montotombo, Santa Clara, Telica, Cerro Negro, El Hoyo Volcanoes from 5th to 14th January 2012 please get in touch. Please note you need to be in good physical condition to do the tour as it is very active and not much rest time.
Montag, Dez 05, 2011
`A`a lava flow on Kilauea, December 4, 2011.
`A`a lava flow on Kilauea, December 4, 2011.
Lava flows from Pu`u `O`o vent's newest fissure, which began erupting in September, have finally advanced onto Kīlauea's coastal plain and are accessible by foot! It is a 2-3 hour hike EACH WAY over very uneven terrain, typically a 6 hour round-trip from Kalapana. ...mehr [alles lesen]
Gamalana erupting ash on 11 Dec (photo: Andi)
Gamalana erupting ash on 11 Dec (photo: Andi)
Gamalana volcano on the evening of 11 Dec (photo: Andi)
Gamalana volcano on the evening of 11 Dec (photo: Andi)
Mount Gamalama volcano in Indonesia's remote North Maluku province erupted at 23:00 local time on Sunday (1400 GMT), according to local news. The eruption produced small amounts of ash, causing local electrical blackouts and ash fall in the provincial capital city of Ternate. ...mehr [alles lesen]
Sonntag, Dez 04, 2011
Since July 2010, no eruptive activity has been observed at Pacaya volcano in Guatemala. INSIVUMEH reports that only degassing is taking place from the summit crater (Mackeney).
After a few days with constant, but minor ash emission, the intensity of Tungurahua's eruption has increased during the night between Friday and Saturday (2-3 Dec), IGEPN from Quito reports. ...mehr [alles lesen]
Donnerstag, Jan 01, 1970
The daily number of earthquakes has been following a clear decreasing trend over the past weeks, suggesting the eruption might be dying down.
The daily number of earthquakes has been following a clear decreasing trend over the past weeks, suggesting the eruption might be dying down.
Die u-Boot-Eruption südlich von El Hierro hat seit dem letzten Wochenende, beruhigt, wenn noch dampfende heiße Lava Blöcke an die Oberfläche über die u-Boot-Vent etwa 1 km von La Restinga stieg. Nicht viel hat sich seit dann, außer ein Licht und manchmal schlammig Fleck durch Auftrieb Wasser mit vulkanischer Gase und Teilchen verursacht gezeigt.Seismischer Aktivitäten weiterhin insgesamt verringern darauf hindeutet, dass die Eruption langsam beendet wird, zur Linderung der viele Bewohner der Insel (und zur Enttäuschung andere..., die geliebt hätte, eine neue Insel entstehen zu sehen).Die Anzahl der insgesamt Erdbeben, ist jetzt in der Regel weniger als 10 pro Tag, aus (siehe Abbildung IGN) beschatten. Nur harmonische Tremor weiterhin auf schwankende moderate Ebenen, und möglicherweise ein Hinweis, dass etwas irgendwo noch verschoben wird (obwohl es weit von bestimmten; es ist weit von vollständig verstanden was Zittern verursacht).
Samstag, Dez 03, 2011
Donnerstag, Jan 01, 1970
Fuego der Tätigkeit hat sich beruhigt ein wenig nach unten und besteht aus schwach nahezu kontinuierliche Asche Emissionen steigen ungefähr 300 m mit gelegentlichen stärkere Explosionen, die ca. 6 - 8 Mal pro Stunde, das nationale Institut für Seismologie, Vulkanologie, Meteorologie und Hydrologie (INSIVUMEH) Berichte.Laut nationaler Koordinator für Disaster Reduction (CONRED) produzieren Explosionen ein Plume treiben im Südwesten und etwa 20 km Länge zu erreichen. Klein, aber häufig Felsen Lawinen werden in der "Ash Canyon" auf der steilen Südseite des Kegels Gipfel beobachtet.
Freitag, Dez 02, 2011
Donnerstag, Jan 01, 1970
Earthquakes on Santorini between 2 Sep and 1 Dec , 2011 (source: Department of Geophysics, Aristoteles University of Thessaloniki)
Earthquakes on Santorini between 2 Sep and 1 Dec , 2011 (source: Department of Geophysics, Aristoteles University of Thessaloniki)
Erdbeben auf Santorini zwischen 30 Aug und 28. November 2011 (Quelle: Abteilung für Geophysik, Aristoteles-Universität Thessaloniki)
Erdbeben auf Santorini zwischen 30 Aug und 28. November 2011 (Quelle: Abteilung für Geophysik, Aristoteles-Universität Thessaloniki)
Die seismische Aktivität in und um Santorin ist weiterhin (leicht?) erhöht. Die relativ leichten, aber seit Juni 2011 häufigen Erdbeben konzentrieren sich besonders auf die Störung, die die Inseln Christiana, Palea Kameni, Nea Kameni und Thira, sowie den unterseeischen Vulkan Kolumbos verbindet. ...mehr [alles lesen]
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