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Air Quality

A visible image of the Hunga Tonga-Hunga Ha‘apai ash cloud as seen from NOAA's GOES-17 satellite on January 15, 2022.

A volcanic eruption sent enough water vapor into the stratosphere to cause a rapid change in chemistry

The eruption of the Hunga Tonga-Hunga Ha’apai volcano on January 15, 2022, produced the largest underwater explosion ever recorded by modern scientific instruments, blasting an enormous amount of water and volcanic gases higher than any other eruption in the satellite era.

A volcanic eruption sent enough water vapor into the stratosphere to cause a rapid change in chemistry Read More >

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