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Tonga satellite Hong Aha Apay Island volcano Xinhua Satellite News Laboratory Feng Junyang Lu Huaiqian Satellite data Tang Zhiqiang Li Mengting
01-25
![Satellite photo: In the 10 days after the disaster, Tonga had these differences[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)