Vulkan-Monitor

In einer Tiefe ab 100 km, ist es zwischen 1000 und 1300 Grad Celsius heiß. Gestein beginnt zu schmelzen und sammelt sich in großen, tropfenförmigen Magmaherden in 2 bis 50 km Tiefe. Wenn der Druck zu groß wird, steigt das Magma über Spalten und Klüfte an die Oberfläche: Ein Vulkan entsteht.

Karte der augenblicklich aktiven Vulkane

Asamayama (Japan), Geological Survey of Japan	Volcanic activity report for Asamayama (Japan), 14 August-20 August 2019 JMA reported that, after a small phreatic eruption occurred at Asamayama on 7 August, both seismic activity and sulfur dioxide emissions temporarily increased and then decreased later that day. During 8-19 August white plumes generally rose 400 m above the crater rim; occasionally they rose as high as 800 m. Sulfur dioxide emissions were 70-300 tons per day. On 19 August the Alert Level was lowered to 2 (on a scale of 1-5).	Neu
Semisopochnoi (United States), Alaska Volcano Observatory	Volcanic activity report for Semisopochnoi (United States), 14 August-20 August 2019 AVO reported that during 14-17 August seismicity at Semisopochnoi remained elevated and was characterized by periods of continuous tremor and discrete low-frequency earthquakes; seismic data became unavailable starting sometime on 17 August. Cloudy weather often prevented satellite views of the volcano, however some recent clear views indicated that the N cone crater had a smooth featureless area, indicating water or tephra at an elevation several meters below the previous floor. The Volcano Alert Level remained at Watch and the Aviation Color Code remained at Orange.	Neu
Shishaldin (United States), Alaska Volcano Observatory	Volcanic activity report for Shishaldin (United States), 14 August-20 August 2019 AVO reported that during 14-20 August continuous, low-level tremor at Shishaldin was recorded by the seismic network and elevated surface temperatures were visible in infrared satellite images. The spatter cone in the crater had grown and partially filled the summit crater. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch.	Neu
Tangkubanparahu (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Tangkubanparahu (Indonesia), 14 August-20 August 2019 PVMBG reported that during 12-18 August phreatic events at Tangkubanparahu's Ratu Crater continued to produce sometimes dense gray-to-white plumes that rose as high as 200 m above the vent, and dense black ash plumes that rose as high as 100 m. The emissions were accompanied by roaring. Ashfall was localized around Ratu Crater. The seismic network recorded continuous tremor. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay 1.5 km away from the active crater.	Neu
Ubinas (Peru), Instituto Geofisico del Perú	Volcanic activity report for Ubinas (Peru), 14 August-20 August 2019 IGP reported that during 13-19 August blue-colored gas plumes from Ubinas rose to heights of less than 1.5 km above the base of the crater. Seven thermal anomalies were recorded by the MIROVA system. The number of seismic events was 1,716 (all under M 2.4), a decrease in the total number recorded during the previous week. The Alert Level remained at Orange (the second highest level on a four-color scale) and the public were warned to stay outside of a 15-km radius.	Neu
Unnamed (Tonga),	Volcanic activity report for Unnamed (Tonga), 14 August-20 August 2019 A submarine eruption in early August from an unnamed seamount about 50 km NW of Vava?u in Tonga created extensive areas of pumice rafts. Sailing crews encountered the pumice starting on 9 August about 40 km NNW of Late Island. Rachel Mackie described a pronounced odor of sulfur, and eventually being surrounded as far as she could see, with the surface pumice layer being 30 cm deep and containing pieces up to 80 cm in diameter. Sentinel-2 satellite imagery from 11 August showed the raft, averaging about 2.5 km across but strung out for 35 km NE-SW, located 70 km WNW of Late Island; another band of scattered rafts extended directly back from the main mass towards Late for 50 km. The raft continued drifting, and was at least another 60 km SW from its previous location as of 16 August. Eruptive activity at this location was previously reported in September-October 2001.	Neu
Aira (Japan), Sakurajima Volcano Observatory	Volcanic activity report for Aira (Japan), 14 August-20 August 2019 JMA reported that during 13-16 August crater incandescence at Minamidake crater (at Aira Caldera?s Sakurajima volcano) was occasionally visible in webcams at night. A small eruptive event was recorded on 18 August. The Alert Level remained at 3 (on a 5-level scale).	Ongoing
Asosan (Japan), Aso Volcanological Laboratory	Volcanic activity report for Asosan (Japan), 14 August-20 August 2019 JMA reported that increased eruptive activity at Asosan that began on 28 July paused at 1110 on 16 August. An eruptive event was recorded at 1627 on 18 August; elevated eruptive activity continued at least through 19 August. The Tokyo VAAC reported that the eruptive event on 18 August produced an ash plume that rose to 2.1 km (7,000 ft) a.s.l. Ash plumes rose to 1.5-2.1 km (5,000-7,000 ft) a.s.l. and drifted N and NW during 19-20 August. The Alert Level remained at 2 (on a scale of 1-5).	Ongoing
Dukono (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Dukono (Indonesia), 14 August-20 August 2019 Based on satellite and wind model data, and information from PVMBG, the Darwin VAAC reported that during 14-20 August ash plumes from Dukono rose to altitudes of 1.8-2.1 km (6,000-7,000 ft) a.s.l. and drifted NW, N, NE, and E. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km exclusion zone.	Ongoing
Ebeko (Russia), Kamchatka Volcanic Eruption Response Team	Volcanic activity report for Ebeko (Russia), 14 August-20 August 2019 Volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, observed explosions during 10-16 August that sent ash plumes up to 3 km (10,000 ft) a.s.l. and drifted SE. A thermal anomaly was identified in satellite images on 10 and 12 August. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).	Ongoing
Ibu (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Ibu (Indonesia), 14 August-20 August 2019 PVMBG reported that at 1107 on 14 August an ash plume from Ibu rose at least 800 m above the summit and drifted N. Seismicity was characterized by an explosion signal and earthquakes indicating rock avalanches. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay at least 2 km away from the active crater, and 3.5 km away on the N side.	Ongoing
Kadovar (Papua New Guinea),	Volcanic activity report for Kadovar (Papua New Guinea), 14 August-20 August 2019 Based on satellite data and wind model data, the Darwin VAAC reported that on 19 August an ash plume from Kadovar rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted NW.	Ongoing
Karangetang (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Karangetang (Indonesia), 14 August-20 August 2019 PVMBG reported that during 12-18 August lava continued to effuse from Karangetang?s Main and Dua craters. Avalanches of material traveled 1-1.5 km SW down the Nanitu and Pangi drainages, as far as 1.4 km down a drainage W of Pangi, and as far as 1.8 km down the Sense drainage. Sometimes dense white plumes rose to 500 m above the summit. The Alert Level remained at 2 (on a scale of 1-4).	Ongoing
Karymsky (Russia), Kamchatka Volcanic Eruption Response Team	Volcanic activity report for Karymsky (Russia), 14 August-20 August 2019 KVERT reported that a thermal anomaly over Karymsky was visible in satellite images during 11-12 and 15 August. Volcanologists doing fieldwork on 14 August observed explosions and ash plumes that rose to 5 km (16,400 ft) a.s.l. Satellite images showed ash plumes drifting S and SE that same day. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).	Ongoing
Klyuchevskoy (Russia), Kamchatka Volcanic Eruption Response Team	Volcanic activity report for Klyuchevskoy (Russia), 14 August-20 August 2019 KVERT reported that a weak thermal anomaly over Klyuchevskoy was visible in satellite images during 13-14 August. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).	Ongoing
Merapi (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Merapi (Indonesia), 14 August-20 August 2019 PVMBG reported that during 12-18 August the lava-dome volume at Merapi did not change and was an estimated 461,000 cubic meters, based on analyses of drone images. Extruded lava fell into the upper parts of the SE flank, generating a total of two block-and-ash flows that traveled as far as 950 m down the Gendol drainage on 13 and 14 August. Diffuse white plumes rose as high as 100 m above the summit on some days. The Alert Level remained at 2 (on a scale of 1-4), and residents were warned to stay outside of the 3-km exclusion zone.	Ongoing
Nevados de Chillan (Chile), Southern Andes Volcano Observatory	Volcanic activity report for Nevados de Chillan (Chile), 14 August-20 August 2019 ONEMI and SERNAGEOMIN reported multiple explosions at Nevados de Chillán?s Nicanor Crater during 14-20 August, each associated with long-period earthquakes. Two explosions on 14 August, at 0000 and 0029, produced gas emissions and ejected incandescent material onto the flanks. An explosion at 1200 on 16 August produced a grayish ash plume that rose 110 m. Another explosion was detected at 1625 on 17 August. A grayish gas plume from an explosion at 1343 on 18 August rose 400 m, and an explosion at 1938 on 20 August ejected incandescent material onto the flanks. The Alert Level remained at Orange, the second highest level on a four-color scale. ONEMI maintained an Alert Level Yellow (the middle level on a three-color scale) for the communities of Pinto, Coihueco, and San Fabián, and stated that the public should stay at least 3 km away from the crater on the SW flank and 5 km away on the ENE flank.	Ongoing
Piton de la Fournaise (France), IPGP Observatoire Volcanologique du Piton de la Fournaise	Volcanic activity report for Piton de la Fournaise (France), 14 August-20 August 2019 OVPF reported that the eruption at Piton de la Fournaise that began on the E part of l?Enclos Fouqué at 1620 on 11 August paused for about four hours beginning around 0420 on 15 August; tremor and deep earthquakes indicating magma movement continued to be detected. Lava fountaining resumed at 0830 at two vents residing along the second fissure at 1,500 m elevation, producing flows that did not extend beyond 500 m in length. The lava-flow front from the main flow did not advance past 600-650 elevation. Activity ceased around 2200 on 15 August.	Ongoing
Poas (Costa Rica), OVSICORI-UNA, Costa Rica	Volcanic activity report for Poas (Costa Rica), 14 August-20 August 2019 OVSICORI-UNA reported that an eruptive event from vent A (Boca Roja) at Poás generated a 1-km-high plume of steam, gas, and fine particulates at 0650 on 17 August. The event was preceded by an increase in tremor amplitude starting at 0500 that same day.	Ongoing
Sabancaya (Peru), Instituto Geofisico del Perú	Volcanic activity report for Sabancaya (Peru), 14 August-20 August 2019 Instituto Geofísico del Perú (IGP) reported that an average of 25 low-to-medium intensity explosions per day occurred at Sabancaya during 12-18 August. Gas-and-ash plumes rose as high as 3 km above the summit and drifted SE, S, and SW. There were eight thermal anomalies identified in satellite data. The Alert Level remained at Orange (the second highest level on a four-color scale) and the public were warned to stay outside of a 12-km radius.	Ongoing
Sangeang Api (Indonesia), Centre of Volcanology and Geological Hazard Mitigation	Volcanic activity report for Sangeang Api (Indonesia), 14 August-20 August 2019 The Darwin VAAC reported that during 14-20 August intermittent ash plumes from Sangeang Api were identified in satellite images rising to 2.4-3 km (8,000-10,000 ft) a.s.l. and quickly dissipating to the N, NW, W, and SW. The Alert Level remained at 2 (on a scale of 1-4).	Ongoing
Sheveluch (Russia), Kamchatka Volcanic Eruption Response Team	Volcanic activity report for Sheveluch (Russia), 14 August-20 August 2019 KVERT reported that a thermal anomaly over Sheveluch?s lava dome was identified daily in satellite images during 9-16 August. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).	Ongoing

Die Daten stellt die Smithsonian Institution im wöchentlich aktualisierten USGS Weekly Volcanic Activity Report zur Verfügung.

In Deutschland gibt es momentan keine aktiven Vulkane. Der Vulkanismus in Deutschland in den verangengen Jahrentausenden bzw. Jahrmillionen wurde durch Hebung der Alpen verursacht. Dass dieser Prozess noch nicht abgeschlossen ist, zeigen kleinere Erdbeben vom Rheingraben bis zur Kölner Bucht. Die Vulkane, die es in Deutschland gibt spucken zwar zur Zeit keine Lava aus, aber es gibt in Deutschland an vielen Orten heiße Quellen. Diese Thermalquellen sind ein Zeichen dafür, dass Wasser im inneren der Erde erwärmt wird. Vulkanaktivitäten aus vergangenen Zeiten sieht man in Deutschland z.B. auch am Kaiserstuhl in der oberrheinischen Ebene und am Rand der Schwäbischen Alp.