Haunting Before-and-After Images Show Devastation Wrought by Tonga Volcano

The recent eruption of an underwater volcano was the biggest on Earth in the past 30 years. Satellite images show the extent of damage to the volcanic island.

Maxar Technologies is a space-tech firm based in Colorado. Maxar's satellites collect high-resolution imagery of more than 1.35 million square miles each day, making it possible to compare surface features across short timescales. The images of the volcano and its aftermath have not been processed in a special way.

This sequence of three images shows the eruption of the volcano on April 10, 2021, after eruptions started up again, and on January 18, 2022, after the big explosion.

Two volcanic islands were joined in 2015, following a series of eruptions. As a result of the powerful explosion, the two islands are now even smaller than they were before. The exposed landmasses are the tallest sections of the underwater volcano.

The westernmost part of the island was partially covered in vegetation on April 10, 2021, and January 6, 2022, after the volcano dumped tremendous amounts of ash onto the island. The third image in the sequence shows a shattered remnant of the island of Hunga-Ha.

The big eruption of January 15 was caused by the partial collapse of the caldera's northern rim, which caused tremendous amounts of water to interact with the magma chamber below.

The capital city of Tonga is shown in the sequence of images. The first and second images were taken on December 29, 2021, and January 18, 2022, respectively. The eruption sent volcanic material into the atmosphere and triggered a wave that flooded nearby coastlines.

The before-and-after images taken on December 29, 2021, and January 18, 2022, show the extent to which ashfall transformed a once-vibrant Tongan neighborhood. The entire South Pacific island kingdom was blanketed in a mushroom-like cloud from the eruption.

Maxar collected satellite imagery of the islands northeast of the volcano. The region has many atolls that are not populated, but some that were heavily damaged by the eruption and tsunami. Nomuka island is shown on August 27, 2020 and again on January 20, 2022.

There is a populated area on Nomuka island, which is located to the north of Tonga. A 49-year-old woman from Nomuka and a 65-year-old man from nearby Mango island died in the tsunami.

There are two different views of Mango island, one on August 17, 2020 and the other on January 20, 2022. The residents of the island lost their homes and belongings and had to move to Nomuka because of food and water shortages.

The images show a region of Mango island before and after the disaster. It's hard to believe that more people weren't killed in the disaster, with the total death toll standing at five.

The British and Australian navy ships arrived in the country. Crew members did not make contact with locals to prevent the spread of covid-19. The island has been without internet access due to a severed cable.


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The recent eruption of an underwater volcano was the biggest on Earth in the past 30 years. Satellite images show the extent of damage to the volcanic island.

Maxar Technologies is a space-tech firm based in Colorado. Maxar's satellites collect high-resolution imagery of more than 1.35 million square miles each day, making it possible to compare surface features across short timescales. The images of the volcano and its aftermath have not been processed in a special way.

This sequence of three images shows the eruption of the volcano on April 10, 2021, after eruptions started up again, and on January 18, 2022, after the big explosion.

Two volcanic islands were joined in 2015, following a series of eruptions. As a result of the powerful explosion, the two islands are now even smaller than they were before. The exposed landmasses are the tallest sections of the underwater volcano.

The westernmost part of the island was partially covered in vegetation on April 10, 2021, and January 6, 2022, after the volcano dumped tremendous amounts of ash onto the island. The third image in the sequence shows a shattered remnant of the island of Hunga-Ha.

The big eruption of January 15 was caused by the partial collapse of the caldera's northern rim, which caused tremendous amounts of water to interact with the magma chamber below.

The capital city of Tonga is shown in the sequence of images. The first and second images were taken on December 29, 2021, and January 18, 2022, respectively. The eruption sent volcanic material into the atmosphere and triggered a wave that flooded nearby coastlines.

The before-and-after images taken on December 29, 2021, and January 18, 2022, show the extent to which ashfall transformed a once-vibrant Tongan neighborhood. The entire South Pacific island kingdom was blanketed in a mushroom-like cloud from the eruption.

Maxar collected satellite imagery of the islands northeast of the volcano. The region has many atolls that are not populated, but some that were heavily damaged by the eruption and tsunami. Nomuka island is shown on August 27, 2020 and again on January 20, 2022.

There is a populated area on Nomuka island, which is located to the north of Tonga. A 49-year-old woman from Nomuka and a 65-year-old man from nearby Mango island died in the tsunami.

There are two different views of Mango island, one on August 17, 2020 and the other on January 20, 2022. The residents of the island lost their homes and belongings and had to move to Nomuka because of food and water shortages.

The images show a region of Mango island before and after the disaster. It's hard to believe that more people weren't killed in the disaster, with the total death toll standing at five.

The British and Australian navy ships arrived in the country. Crew members did not make contact with locals to prevent the spread of covid-19. The island has been without internet access due to a severed cable.