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.
Ebeko is one of the most active volcanoes in the Kurile Islands, located in northern Paramushir Island south of Kamchatka.
Ebeko volcano has a flat top with 3 summit craters aligned SSW-NNE. The eastern part of the southern crater contains a large boiling spring. The middle crater has a hot lake with solfataras along its shore. The lower northern crater has a small, cold lake and is separated from the middle crater by a narrow ridge.
Historical activity has been recorded since the late 18th century and consisted in small to moderate explosive eruptions from the summit craters. Intense fumarolic activity occurs in the summit craters of Ebeko and on the outer flanks of the cone, as well as inside lateral explosion craters.
Ash plume from Ebeko on 9 Mar 2017 (image: L. Kotenko, IVS FEB RAS, KVERT)
The volcano continues to erupt sporadically. A new phase of ash emissions from the summit crater of the volcano was observed on 9 March 2017. ...more
It is unclear whether the current phase of intermittent mild explosive activity involves fresh magma at the surface or are only steam-driven (phreatic), caused by interaction of circulating fluids (mainly water) with an underlying hot body of magma. However, the absence of intense heat sources at the surface as would be expected if fresh lava was erupted favors the latter interpretation. [less]
Ash emissions from Ebeko on 27 Feb 2017 seen from Severo-Kurilsk (image: T. Kotenko / IVS FEB RAS / KVERT)
After a period of approx 4 weeks with only intermittent and very small emissions, a stronger phase of ash eruptions occurred again on Monday. ...more
Dense ash plumes rising several hundred meters could be observed from the small town of Severo-Kurilsk. KVERT maintains Aviation Color Code Yellow for the volcano. The nature of the activity is unknown without a detailed analysis of the ash particles. In most cases, this type of activity is phreatic, i.e. only fragmented older rocks are being erupted and the explosions are entirely caused by shallow steam explosions, when ground water is heated by an underlying magma body, which itself is not (yet) reaching the surface. [less]
The volcano remains site of minor activity although direct observations are sparse and only intermittent. ...more
According to the lastest Smithsonian / USGS Weekly Volcanic Activity Report 21-27 December 2016, "KVERT reported that, according to observers in Severo-Kurilsk (Paramushir Island) about 7 km E, gas-and-steam plumes containing a small amount of ash rose from Ebeko to an altitude of 1.5 km (4,900 ft) a.s.l. and drifted 8 km N and NE on 17 and 20 December. "Minor amounts of ash fell in Severo-Kurilsk during 18-22 December. [less]
Ash emission from Ebeko on 10 Dec 2016 (image: L. Kotenko, IVS FEB RAS)
A new eruptive phase has been occurring at the volcano again since around 8 December this year. Mild explosive activity has been producing intermittent steam and ash plumes that rose a few hundred meters height and were first noted by inhabitants of Sevaro-Kurilsk on 8 December, but are also visible on cloud-free satellite imagery. ...more
These low-level plumes quickly dissipated into northerly directions; they are the first since a short phase of activity in late Oct. At the moment,- without an analysis of the ash erupted - it is not known whether the ashes contain juvenile magma, i.e. whether the activity is driven by fresh magma or only by overheated fluids (water) in the shallow hydrothermal system. The latter would be a more expected case, as Ebeko volcano's hydrothermal system is very developed and the new explosive activity comes from the area above its center, normally occupied by acid lakes and fields of strong fumaroles. [less]
Dallol hot springs: One of the most bizarre landscapes on earth: Dallol is a vast and very active hydrothermal field creating a colorful array of hot springs, small geysers, salt towers, colorful lakes and ponds in the middle of the deepest part of the Danakil desert and the Karum salt lake.
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