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Hakone volcano (Japan): ground uplift of 15 cm during 2 weeks at Owakudani valley

Fri, 22 May 2015, 15:01 | BY: T
Deformation at Hakone volcano (Owakudani valley in circle) during 7-21 May based on interference SAR data (GSI)
Deformation at Hakone volcano (Owakudani valley in circle) during 7-21 May based on interference SAR data (GSI)
Unrest at the Owakudani valley continues. Fumarolic activity has increased drastically. Ground has lifted by up to 15 cm during 7-21 May, or up to 20 cm when compared to early October last year.

Previous news

Wed, 13 May 2015, 06:00

Hakoneyama volcano (Honshu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 May-19 May 2015 (New Activity / Unrest)

JMA reported that during 14-17 May seismicity at Hakoneyama remained high. Inclinometer data showed variations related to seismicity, and vigorous steaming from the hot springs was observed. The Alert Level remained at 2 (on a 5-level scale). ... Read all
Thu, 7 May 2015, 09:21

Hakone volcano (Japan): seismic unrest and eruption warning for Owakudani valley

Earthquakes under Hakone volcano (JMA)
An eruption warning has been declared for the volcano, as increased seismic activity under the Ōwakudani hydrothermal field were registered during the past days and could herald sudden phreatic explosions. ... Read all
Show more
Hakone volcano
complex volcano 1438 m / 4,718 ft
Honshu (Japan), 35.23°N / 139.02°E
Current status: normal or dormant (1 out of 5) Hakone volcano eruptions:
1170 AD ± 100 years (radiocarbon dated), 50 BC (?), 1050 BC (?), 1200 BC (?), 1400 BC ± 100 years, 3700 BC ± 100 years, 6000 BC ± 100 years
Typical eruption style
phreatic explosions
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