Moyorodake [Medvezhia] volcano (Iturup, Etorofu) Island, Japan/Russia) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 July-1 August 2017 (New Activity / Unrest)
Wed, 26 Jul 2017, 06:00
06:00 AM | BY: VNCrusts of native sulfur at the boundaries of high-temperature areas were melting and burning. Two people at the top of the volcano and workers at the main base camp (3.5 km S) self-evacuated.
The report noted that a M 5.7 earthquake had occurred at 0800 that same morning, 200 km NE, within the same system of tectonic faults that the volcano resides on. The volcano has a permeable system of fissures, through which there has been constant degassing for more than 130 years.
Source: Institute of Volcanology and Geodynamics, Russian Academy of Natural Science
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From: Global Volcanism Program, 2017. Report on Moyorodake [Medvezhia]. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 26 July-1 August 2017. Smithsonian Institution and US Geological Survey.
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