Author: WeWorldMedia-admin

Volcanoes Today, 23 May 2025: Semeru volcano, Ibu, Dukono, Marapi, Reventador, Sangay, Ruapehu, Sakurajima

Published: 23 May 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

Volcanoes Today, 23 May 2025: Semeru volcano, Ibu, Dukono, Marapi, Reventador, Sangay, Ruapehu, Sakurajima

Fri, 23 May 2025, 14:00 1748008805 | BY: VN

Satellite image of Ibu volcano on 23 May 2025

Satellite image of Lewotobi volcano on 22 May 2025

Satellite image of Semeru volcano on 23 May 2025

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250523/0933Z OVER FL070 STNR OBS VA DTG:23/0920Z

Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 05 kts in E direction.
The full report is as follows: VA TO FL070 LAST REPORTED AT 23/0751Z EST VA DTG:23/1020Z to 7000 ft (2100 m)

Lewotobi (Flores): (22 May) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash

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Ruapehu volcano (New Zealand): Crater Lake continues to cool

Published: 23 May 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

Fri, 23 May 2025, 13:54 | BY: MARTIN

Since the last update in February, the temperature at Te Wai ā-moe (Ruapehu Crater Lake) has remained steady around 20 °C but has recently begun a gradual decline to 17 °C.
Heat flux modeling indicates a consistent heat input of approximately 50 megawatts. For comparison, typical heat input values range from about 30 MW during cooler periods to more than 300–400 MW when the lake is significantly warmer (above 35 °C).
Sulfur dioxide (SO₂) emissions, as recorded by continuous gas detectors, remain steady at low levels—around 100 to 150 tonnes per day. These levels are consistent with background activity at Mount Ruapehu, with a modest supply of volcanic gas from depth contributing to the lake’s warmth.
Although the lake has not reached the higher temperatures usually seen during a heating phase, the continued flow of gas through the lake indicates that the vents remain

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Reventador Volcano Volcanic Ash Advisory: VA EMS CONT to 13500 ft (4100 m)

Published: 23 May 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

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