Eruption of the Hunga Tonga-Hunga Ha’apai volcano
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2021/12/211219_2200z_loading.png)
The Hunga Tonga-Hunga Ha?apai volcano in Tonga violently erupted around 2030 UTC on 19 December 2021 — and a radiometrically-retrieved Ash Height product from the NOAA/CIMSS Volcanic Cloud Monitoring site (using JMA Himawari-8 data) indicated that ash was ejected as high as 16-18 km (above).Ash Loading was very high within the volcanic cloud, with particles... Read More