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Alaid Vulkan

Schichtvulkan 2339 m / 7,674 ft
Atlasov Island, Northern Kuriles, 50.86°N / 155.55°E
Aktueller Status: normal / ruhend (1 von 5)
Alaid Webcams / aktuelle Daten | Reports
Alaid Vulkan-Bücher | Tours
Last update: 11 Sep 2019 (Volcanic Ash Advisory)
Typische Aktivität: explosive
Ausbrüche des Alaid: 1997, 1996, 1986, 1982, 1981, 1972, 1933-34, 1894, 1860, 1854, 1790-93 Space image of Alaid stratovolcano (NASA Earth Observatory http://earthobservatory.nasa.gov/IOTD/view.php?id=78290) Keine jüngeren Beben
TimeMag. / TiefeDistanceLocation
Alaid ist das höchste und nördlichste Vulkan der Kurilen-Inseln. Die symmetrische stratovolcano steigt 3000 m aus dem Meeresboden und bildet eine kleine Insel. Es hat eine 1,5-km-weiten Krater verletzt in den Süden. Es ist einer der aktivsten Vulkane der Kurilen ". Große explosive Eruptionen aufgetreten in den Jahren 1790 und 1981, und gehörten zu den größten in der Kurilen in historischen Zeiten.

Beschreibung:

Numerous flank cones dot the lower flanks of the basaltic to basaltic-andesite Alaid volcano, particularly on the NW and SE sides, including an offshore cone formed during the 1933-34 eruption.
Alaid has 2 types of eruptions: summit activity from the central crater as well as lateral eruptions. The eruptions from the central crater tend to be more explosive and are more dangerous. The largest eruptions from the central crater were in February 1793, June 1854, July 1860, 1894, and April 1981.
The principal volcanic hazard from Alaid are ash plumes dangerous for aircraft (many routes from N-America to Asia pass nearby).

Alaid Fotos:

Alaid stratovolcano, Atlasof Island, Northern Kuriles (Photo: Tom Pfeiffer)
Alaid stratovolcano, Atlasof Island, Northern Kuriles (Photo: Tom Pfeiffer)
Alaid volcano on Atlasov Island (Photo: Tom Pfeiffer)
Alaid volcano on Atlasov Island (Photo: Tom Pfeiffer)
Small bay in the shoreline with Alaid in the background (Photo: Tom Pfeiffer)
Small bay in the shoreline with Alaid in the background (Photo: Tom Pfeiffer)
 


2003 tremors
Seismic tremor began at Alaid volcano on 31 October and continued until November. The tremor was believed to be caused by strong winds, not caused by volcanic activity. (Source: GVP monthly roports)

1997 eruption
In August 1997, a thermal hotspot was visible on satellite images of the volcano indicating eruptive activity. Ashfall occurred on SW Kamchatka.

1996 eruption
Seismic activity increased in December 1996. Satellite images showed a plume reaching a height of 6 km above the volcano. A large snow storm prevented any visual observations. (GVP monthly reports)

1986 collapse of cone in summit crater
Aerial observations on 25 May 1986 revealed that the summit crater's 1981 cone (250 m high and 600 m across at its base) had been almost entirely destroyed recently. At its place there were 2 collapse craters, the larger of which measured 300 m across and ca. 100 m deep.
(Source: GVP monthly reports)

1981 eruption of Alaid volcano
The eruption of Alaid volcano in 1981 ranks as one of the largest in the Kurile Islands in historical times. ...mehr

1972 lateral and submarine eruption
A lateral, partly submarine eruption began at Alaid volcano in June 1972. An eruptive fissure extended from the NW base of the volcano to the sea. The water-magma interaction produced powerful explosions and ash plumes 8 km high.

Earlier historic eruptions from Alaid volcano
1933-1934 eruptions: the first observed flank eruption
1894: summit eruption
1860: eruption from the summit crater
1854: strong explosive eruption from the summit crater
1793: explosive eruption from the summit crater
Alaid Vulkanresien
Islands of Fire and Whales - South Kuriles (12-days expedition to the southern Kuriles Islands)
Islands of Fire and Whales (14-days sailing expedition to the northern Kuriles Islands)

Letzte Satellitenbilder


See also: Sentinel hub | Landsat 8
 

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