Tsunami

A mountain in the Dickson Fjord after 33 million cubic yards of its rock and ice collapsed in a landslide.

A Mysterious Seismic Signal Lasted Nine Days Last Year. It Was a Mega-Tsunami Caused by Climate Change, Researchers Say

A melting glacier caused a mountain in Greenland to collapse into a narrow fjord, setting off an oscillating wave that rattled seismic detectors around the world

The earthquake on March 27, 1964, dropped Anchorage’s Fourth Avenue and some cars on it roughly 20 feet below normal.

How the Great Alaska Earthquake Shook Up Science

Sixty years ago, the largest earthquake in U.S. history shocked geologists. It’s still driving scientific discoveries today

Mount Ruang in North Sulawesi, Indonesia, spews ash on April 19, 2024, after a series of eruptions earlier this week launched molten rocks into the sky.

Volcano Erupts Amid Lightning Storm in Indonesia, as Residents Evacuate Potential Tsunami Threat

Plumes of ash from Mount Ruang forced the closure of an international airport, after a series of at least five eruptions this week

The tanks used for storing treated water at the Fukushima Daiichi Nuclear Power Plant in Japan are almost at capacity.

Japan Begins Release of Treated Nuclear Wastewater Into the Pacific Ocean

Twelve years after the Fukushima Daiichi nuclear disaster, the move is a polarizing step toward decommissioning the defunct power plant

Untold tsunamis hit coastal communities before anyone logged them in written records. Paleotsunami researchers are on a quest to uncover these forgotten disasters.

These Tsunami Detectives Search for Ancient Disasters

The gigantic waves have been decimating coastlines since time immemorial. We ignore these prehistoric warnings at our own peril.

A second asteroid may have struck the dinosaurs at the end of Cretaceous period, around 66 million years ago

The Dinosaur-Killing Asteroid May Have Had a Companion

A newly discovered crater suggests a second impact that would have triggered underwater landslides and tsunamis

The MarineLabs sensor buoy that detected the record-breaking wave near Ucluelet, British Columbia.

Record-Breaking Rogue Wave Detected Off Vancouver Island

A 58-foot-tall wall of water was measured by a sensor buoy off the coast

The recent explosion was so powerful that it obliterated parts of the volcanic island of Hunga Tonga-Hunga Ha'apai, splitting it in two.

NASA Says Tonga Eruption Was More Powerful Than an Atomic Bomb

The recent blast was the equivalent of 4 to 18 megatons of TNT, according to scientists

The explosion was likely the biggest volcanic eruption recorded anywhere on the planet in more than 30 years.

Why the Eruption in Tonga Was a 'Once-in-a-Millennium' Event for the Volcano

The blast, which sent tsunami waves across the Pacific, left thousands of Tongans without access to water and power

Three giant rocks—Tokia, Rebua, and Kamatoa—sit in the ocean south of Makin Island in the Republic of Kiribati.

How Indigenous Stories Helped Scientists Understand the Origin of Three Huge Boulders

Legends spurred researchers to form a theory about Makin Island's distinctively out-of-place rocks

Researchers with the Kivi Kuaka project are tagging a variety of Pacific birds, hoping they will reveal differences in their capacity to detect and respond to dangerous storms and tsunamis.

Can Birds Tip Us Off to Natural Disasters?

Researchers think birds can hear hurricanes and tsunamis—a sense they’re hoping to tap into to develop a bird-based early warning system

On March 11, 2021, lanterns are released in remembrance of earthquake and tsunami victims in Koriyama, Fukushima prefecture.

Remembering the Fukushima Nuclear Disaster Ten Years Later

The 9.0-magnitude earthquake in 2011 remains the largest in Japan's recorded history

Olympus Mons on Mars, the solar system's tallest mountain, as seen from the Viking orbiter

Mars Had Landslide-Powered Tsunamis That Put Earth's Mega-Waves to Shame

A huge mass of material fell down a mountain and into the Red Planet's ancient ocean.

With 650 million cubic yards of dirt and stone, the unstable hillside identified by researchers at Barry Arm would possibly lead to one of the largest tsunamis the area has ever endured.

Potential Landslide Could Trigger Destructive Tsunami in Alaska, Scientists Warn

The natural disaster could strike Prince William Sound at any point within the next 20 years

Untitled image from Restricted Residence

Nearly a Decade After Fukushima, Photos Capture Residents' Bittersweet Return

A new photo series titled “Restricted Residence” features 42 thermal images of locals and their changed landscape

An artist's depiction of an asteroid impacting the Earth.

What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the Earth

Using rock cores from Chicxulub crater, geologists piece together a new timeline of the destruction that followed impact

Furious Winds Lead to ‘Ice Tsunamis’ Along Lake Erie

Walls of ice—some as high as 30 feet—surged over the shoreline, colliding with residential properties

Images Show Landslide Likely Caused Indonesian Tsunami

Radar images appear to show the southwestern flank of the Anak Krakaktau volcano sheared off into the sea

This Remote Control Vest Trains Rescue Dogs Using Flashlights

By aiming little spots of light, handlers can direct their fearless doggos through disaster areas

The epicenter of last night's earthquake in Alaska

Why Did Alaska's Big Quake Lead to a Tiny Tsunami?

Geophysics, plate tectonics and the vast ocean all determine how severe a tsunami may be

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