Kikai Volcano (Japan) activity update Nov 21, 2025 - Unrest
Saturday, Nov 22, 2025 | 4 days ago · VN
The Japan Meteorological Agency (JMA) reported that unrest continued at Kikai between 14 November 2025 (local) and 21 November 2025 (local). The alert level remained at "Level 2 - Restriction on proxi…Open article
Kikai Volcano (Japan) activity update Sep 15, 2025 - Unrest
Tuesday, Sep 16, 2025 | 2 months ago · VN
The Japan Meteorological Agency (JMA) reported that unrest continued at Kikai between 8 September 2025 (local) and 15 September 2025 (local). Gas and vapor plume(s) rose to a maximum of 400 meters (1,…Open article
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Kikai Volcano (Japan) activity update Sep 8, 2025 - Unrest
Tuesday, Sep 9, 2025 | 2 months ago · VN
The Japan Meteorological Agency (JMA) reported that unrest continued at Kikai between 1 September 2025 (local) and 8 September 2025 (local). The alert level at Kikai remained at "Level 2 - Restriction…Open article
Kikai Volcano (Japan) activity update Aug 29, 2025 - Unrest
Saturday, Aug 30, 2025 | 2 months ago · VN
The Japan Meteorological Agency (JMA) reported that unrest continued at Kikai between 25 August 2025 (local) and 29 August 2025 (local). The alert level at Kikai remained at "Level 2 - Restriction on proximity to the crater" (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
Current Aler…Open article
Source: Japan Meteorological Agency (JMA)
Current Aler…Open article
Kikai (Japan) volcano - Smithsonian / USGS Weekly Volcanic Activity Report for 4 September-10 September 2024 (New Activity / Unrest)
Wednesday, Sep 11, 2024 | 14 months ago · VN
JMA reported that no activity at Iodake Crater located at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, was detected after the 1 and 3 September eruptive events. Crater incandescence continued to be observed at night. The Alert Level remained at 2 (on a 5-level scale), and residents …Open article
Kikai (Japan) volcano - Smithsonian / USGS Weekly Volcanic Activity Report for 28 August-3 September 2024 (New Activity / Unrest)
Wednesday, Sep 4, 2024 | 14 months ago · VN
JMA reported that an eruptive event at Iodake Crater located at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, was recorded at 1128 on 1 September. An ash plume rose 1 km above the crater rim. The report noted that there was no change in the number of earthquakes either before or afte…JMA reported that an eruptive event at Iodake Crater located at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, was recorded at 1128 on 1 September. An ash plume rose 1 km above the crater rim. The report noted that there was no change in the number of earthquakes either before or after the event, and no volcanic tremors were recorded.
An eruptive event at 1008 on 3 September generated a volcanic plume that rose 700 m above the crater rim. Crater incandescence continued to be observed at night. The 1 September event was the first eruptive activity since 6 October 2020.
The Alert Level remained at 2 (on a 5-level scale), and residents were warned to stay 500 m away from Iodake Cra…Open article
An eruptive event at 1008 on 3 September generated a volcanic plume that rose 700 m above the crater rim. Crater incandescence continued to be observed at night. The 1 September event was the first eruptive activity since 6 October 2020.
The Alert Level remained at 2 (on a 5-level scale), and residents were warned to stay 500 m away from Iodake Cra…Open article
Kikai Volcano Volcanic Ash Advisory: ERUPTED AT 20240903/0108Z FL050 STNR OBS VA DTG: 03/0100Z
Tuesday, Sep 3, 2024 | 14 months ago · VN
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 01:24 UTC, 03/09/24 from RJTD
VA ADVISORY
DTG: 20240903/0124Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
FVFE01 at 01:24 UTC, 03/09/24 from RJTD
VA ADVISORY
DTG: 20240903/0124Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
Kikai Volcano Volcanic Ash Advisory: ERUPTED AT 20240901/0228Z FL060 STNR OBS VA DTG: 01/0230Z
Sunday, Sep 1, 2024 | 15 months ago · VN
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 02:40 UTC, 01/09/24 from RJTD
VA ADVISORY
DTG: 20240901/0240Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
FVFE01 at 02:40 UTC, 01/09/24 from RJTD
VA ADVISORY
DTG: 20240901/0240Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
Kikai volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 July-1 August 2023 (New Activity / Unrest)
Wednesday, Aug 2, 2023 | 2 years ago · VN
JMA reported that minor eruptive activity was recorded at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, during 24-31 July. White gas-and-steam plumes rose 600 m above the crater rim. Surveillance cameras observed nightly incandescence.
The Alert Level remained at 2 (on a 5-level scale…Open article
The Alert Level remained at 2 (on a 5-level scale…Open article
Kikai volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 March-4 April 2023 (New Activity / Unrest)
Wednesday, Apr 5, 2023 | 2 years ago · VN
JMA reported that minor eruptive activity was recorded at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, during 27 March-3 April. White gas-and-steam plumes rose 700 m above the crater rim. Surveillance cameras observed nightly incandescence.
The Alert Level remained at 2 (on a 5-level…Open article
The Alert Level remained at 2 (on a 5-level…Open article
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Kikai volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 November-15 November 2022 (New Activity / Unrest)
Wednesday, Nov 16, 2022 | 3 years ago · VN
JMA reported that minor eruptive activity continued to be recorded at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, during 7-14 November. White gas-and-steam plumes rose 600 m above the crater rim. Surveillance cameras observed nightly incandescence.
The Alert Level remained at 2 (on …Open article
The Alert Level remained at 2 (on …Open article
Kikai volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 March-5 April 2022 (Continuing Activity)
Wednesday, Apr 6, 2022 | 3 years ago · VN
JMA reported that eruptive activity continued to be recorded at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, during 29 March through 4 April. White gas-and-steam plumes rose 1 km above the crater rim. Surveillance cameras observed nightly incandescence.
The Alert Level remained at 2 …Open article
The Alert Level remained at 2 …Open article
Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 March-9 March 2021 (Continuing Activity)
Wednesday, Mar 3, 2021 | 4 years ago · VN
In response to an eruption at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, on 2 November 2019 JMA had raised the Alert Level to 2 (on a 5-level scale). Since then, surveillance cameras sometimes recorded minor incandescence reflected in emitted plumes. On 8 March JMA revised the Ale…Open article
Kikai volcano (Ryukyu Islands, Japan): small eruption today
Tuesday, Oct 6, 2020 | 5 years ago · Martin
Kikai Volcano Volcanic Ash Advisory: ERUPTED AT 20201005/2257Z FL030 EXTD NW OBS VA DTG: 05/2250Z
Monday, Oct 5, 2020 | 5 years ago · VN
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 23:08 UTC, 05/10/20 from RJTD
VA ADVISORY
DTG: 20201005/2308Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
FVFE01 at 23:08 UTC, 05/10/20 from RJTD
VA ADVISORY
DTG: 20201005/2308Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 September-6 October 2020 (Continuing Activity)
Wednesday, Sep 30, 2020 | 5 years ago · VN
JMA reported that at 0757 on 6 October an eruption at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, generated a volcanic plume that rose 200 m above the Iodake crater rim. The Alert Level remained at 2 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
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From: Global Volc…Open article
Source: Japan Meteorological Agency (JMA)
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From: Global Volc…Open article
Kikai volcano (Ryukyu Islands, Japan): possible activity, first since Nov 2019
Wednesday, Apr 29, 2020 | 5 years ago · Martin
The Japan Meteorological Agency (JMA) recorded the volcano's first eruption during the past five months, after its last eruption in November 2019.
On 28 April at 21:10 local time an explosion generated an ash plume, which reached approx. 6,000 ft (1,828 m) altitude.
The warning bulletin states that ba…Open article
On 28 April at 21:10 local time an explosion generated an ash plume, which reached approx. 6,000 ft (1,828 m) altitude.
The warning bulletin states that ba…Open article
Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 April-5 May 2020 (New Activity / Unrest)
Wednesday, Apr 29, 2020 | 5 years ago · VN
An eruption at 0609 on 29 April at Satsuma Iwo-jima, a subaerial part of Kikai’s NW caldera rim, generated a volcanic plume that rose 1 km above the crater. This was the first eruption recorded since 2 November 2019. The Alert Level remained at 2 (on a 5-level scale).
Source: Japan Meteorological Age…Open article
Source: Japan Meteorological Age…Open article
Kikai Volcano Volcanic Ash Advisory: ERUPTED AT 20200428/2109Z FL060 STNR OBS VA DTG: 28/2110Z
Tuesday, Apr 28, 2020 | 5 years ago · VN
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 21:27 UTC, 28/04/20 from RJTD
VA ADVISORY
DTG: 20200428/2126Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
FVFE01 at 21:27 UTC, 28/04/20 from RJTD
VA ADVISORY
DTG: 20200428/2126Z
VAAC: TOKYO
VOLCANO: SATSUMA-IOJIMA [KIKAI CALDERA] 282060
PSN:…Open article
Kikai volcano (Ryukyu Islands, Japan): weekly volcanic activity report 30 October-5 November 2019
Thursday, Nov 7, 2019 | 6 years ago · Martin
JMA recorded an eruption at Satsuma Iwo-jima (subaerial part of Kikai’s northwestern caldera rim) that was detected at 17:35 on 2 November.
A grayish-white plume rose 1 km above the Iodake crater rim. The report noted that the number of volcanic earthquakes has been low, with no variations before or …JMA recorded an eruption at Satsuma Iwo-jima (subaerial part of Kikai’s northwestern caldera rim) that was detected at 17:35 on 2 November.
A grayish-white plume rose 1 km above the Iodake crater rim. The report noted that the number of volcanic earthquakes has been low, with no variations before or after the event.
The next day during an overflight conducted by the Coast Guard and the Japan Meteorological Agency Mobile Survey Team (JMA-MOT) observers noted no changes to the geothermal field and no new deposits from the event the day before. Views of the crater were obscured by white plumes rising 300 m above the crater rim.
JMA raised the alert level to 2 (on a 5-level scale).
Source: Smithso…Open article
A grayish-white plume rose 1 km above the Iodake crater rim. The report noted that the number of volcanic earthquakes has been low, with no variations before or …JMA recorded an eruption at Satsuma Iwo-jima (subaerial part of Kikai’s northwestern caldera rim) that was detected at 17:35 on 2 November.
A grayish-white plume rose 1 km above the Iodake crater rim. The report noted that the number of volcanic earthquakes has been low, with no variations before or after the event.
The next day during an overflight conducted by the Coast Guard and the Japan Meteorological Agency Mobile Survey Team (JMA-MOT) observers noted no changes to the geothermal field and no new deposits from the event the day before. Views of the crater were obscured by white plumes rising 300 m above the crater rim.
JMA raised the alert level to 2 (on a 5-level scale).
Source: Smithso…Open article
