Iwo-jima (Ioto) volcano news & activity updates

Satellite images of Ioto (Iwo-jima) acquired on 15 July showed a darker area in the water along the SE coast, possibly above or near the 2001 vent, and a plume of discolored water drifting NE. Video taken on or around 25 July showed a white plume rising from the same area. Satellite images during 30-31 July showed small rounded gray zones at the water surface. Read allThe Fleet Air Group of the Maritime Self-Defense Force reported on their Twitter account about a small eruption near the northwestern coast at about 03:30 local time on 24 November. Judging from available images, it was likely a phreatic or hydrothermal explosion, i.e. steam-driven only, caused by overheated water flashing to steam. Read all During an overflight of Ioto (Iwo-jima) on 12 September the Japan Maritime Self Defense Force observed seawater jetting 5-10 m above the sea surface on the S coast, suggestive of a submarine eruption. Read allThe latest report from the Japan Meteorological Agency (which is always published with one-month delay) indicates that a small phreatic eruption occurred on 11 April this year. Read all Visual observation via a camera installed at Asodaihigashi (about 900 m east-northeast of the Asodai collapse pit) showed that the volume of fumes from the pit (located at the west of Ioto Island) was small, and that their heights ranged from 0 to 100 m. Read allAccording to a JMA report on 2 May, an eruption at Ioto (Iwo-jima) caused water discoloration to the NE. A new fumarole was also confirmed. According to a JMA report on 2 May, an eruption at Ioto (Iwo-jima) caused water discoloration to the NE. A new fumarole was also confirmed. Read allBased on a pilot observation, the Tokyo VAAC reported that an ash plume from Ioto (Iwo-jima) drifted more than 35 km N. Read all