The Tonga Volcanic Eruption Was So Powerful It Sent Ripples Out Into Space

The ongoing volcanic eruption in Tonga began in December 2021, but it wasn’t until 5:15 pm local time on January 15, 2022, that the powerful explosion occurred. It generated an enormous cloud of ash, earthquakes, and tsunamis that reached as far as the distant coastlines of Peru on the other side of the Pacific.   … Read more

Tonga Volcano Eruption Created Puzzling Ripples in Earth’s Atmosphere

Scientists are racing to understand a puzzling series of massive ripples in Earth’s atmosphere triggered by the eruption of the Tongan volcano at the weekend. Satellite data shows that the event — which some fear might have devastated the Pacific-island nation — provoked an unusual pattern of atmospheric gravity waves. Previous volcanic eruptions have not … Read more

Lasting devastation from Tonga volcano eruption revealed in satellite images

Tonga’s volcanic eruption has left behind damage so severe that satellites can see it from space. On Saturday (Jan. 15), the volcano erupted on the island Hunga Tonga-Hunga Ha’apai in the South Pacific kingdom of Tonga after it began brewing a couple of days earlier. It was the volcano’s second explosive event in two months, … Read more

Why the Tonga Eruption Was So Violent, and What to Expect Next

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. The Kingdom of Tonga doesn’t often attract global attention, but a violent eruption of an underwater volcano on January 15 has spread shock waves, quite literally, around half the world. High-resolution Himawari satellite imagery of the #HungaTongaHungaHaapai volcanic eruption … Read more

Ash from Tonga eruption reaches record altitude but climate cooling unlikely

The volcanic eruption that destroyed a small island in Polynesia on Saturday (Jan. 15) injected a huge amount of ash into a record altitude but won’t cause any disruption to Earth’s climate, experts said. Satellites detected the ash cloud, which has already spread over Australia, at over 24 miles (39 kilometers) above Earth’s surface, Oxford … Read more

Tonga volcano: Massive eruption was a once-in-a-millennium event

The underwater Hunga Tonga-Hunga Ha’apai eruption has already triggered a tsunami, a sonic boom and thousands of lightning bolts, and could now lead to acid rain Earth 17 January 2022 By Alice Klein Satellite photo of the eruption CIRA/NOAA/Handout via REUTERS The massive explosion of Hunga Tonga-Hunga Ha’apai volcano in Tonga on Saturday was its … Read more

Why Was The Volcano Explosion in Tonga So Violent, And What to Expect Now?

The Kingdom of Tonga doesn’t often attract global attention, but a violent eruption of an underwater volcano on January 15 has spread shock waves, quite literally, around half the world.   The volcano is usually not much to look at. It consists of two small uninhabited islands, Hunga-Ha’apai and Hunga-Tonga, poking about 100 meters (328 … Read more

Huge Tonga underwater volcano eruption captured in stunning satellite video

A powerful underwater volcano eruption in Tonga on Saturday (Jan. 15) was captured as it happened in stunning images from an Earth-watching satellite, showing the sheer power for the explosive event in the South Pacific.  The volcano eruption on the island of Hunga Tonga-Hunga Ha’apai is visible as a spectacular explosion in views from the … Read more

4-foot tsunami hits Tonga after explosive eruption of underwater volcano

A tsunami triggered by the explosive eruption of the underwater Tonga volcano in the Pacific Ocean slammed the shoreline of the Pacific nation Saturday (Jan. 15), sending residents rushing for higher ground, according to news reports.  A 4-foot-tall (1.2 meters) tsunami reportedly hit Tonga’s capital of Nuku’alofa, which is about 40 miles (65 kilometers) south … Read more