Nishino-shima volcano (Japan): old island has disappeared under fresh lava
Sat, 11 Oct 2014, 21:3721:37 PM | BY: T
The volcanic eruption on the remote island continues. A recent satellite image that the lava flows from the active vent(s) have now covered the older part of the island, the original tiny Nishino-Shima island.
Landsat 8 satellite image showing the Nishino-shima island on 8 Oct; white lines=contour of old island now covered by fresh lava flows (annotation: Culture Volcan)
The ongoing eruption had started as a submarine eruption almost one year ago, when it built a second island to the SE of the existing one. In early January this year, the growing new island had merged with the old one, and has been growing in size ever since.
Culture Volcan Blog posted the attached Landsat 8 photo from 8 Oct which shows that the old Nishino-Shima island has now disappeared under fresh lava flows.
Since late June-early July, the lava flows had been spreading northwards, covering more and more of the older land.
The surface of Japan's newest land is approximately 6 square km.
Fri, 12 Sep 2014, 12:56
Lava flows continue to be active and enlarge the growing island. During the past weeks, these have contributed to the growth of a platform towards the north of the active vents. ... Read all
Wed, 10 Sep 2014, 06:00
Nishinoshima volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 10 September-16 September 2014 (New Activity / Unrest)
The Tokyo VAAC reported an ash plume from Nishinoshima that rose to an altitude of about 3 km (10,000 ft) a.s.l. and drifted S on 16 September. ... Read all