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Alaska Megatsunami Highlights Risks Amid Glacier Retreat | Japan Hit by Earthquake, Tsunami Alerts Issued | Japan Hit by Series of Earthquakes, Tsunami Warning Issued | Japan Hit by Earthquakes, Tsunami Warnings Issued | Indonesia Earthquake Triggers Tsunami Alert | Earthquake Hits Indonesia, Triggers Tsunami Alert | 7.6 Magnitude Earthquake Strikes Indonesia: Tsunami Alert Issued | Indonesia Earthquake Triggers Tsunami Alert and Causes Damage | Alaska Megatsunami Highlights Risks Amid Glacier Retreat | Japan Hit by Earthquake, Tsunami Alerts Issued | Japan Hit by Series of Earthquakes, Tsunami Warning Issued | Japan Hit by Earthquakes, Tsunami Warnings Issued | Indonesia Earthquake Triggers Tsunami Alert | Earthquake Hits Indonesia, Triggers Tsunami Alert | 7.6 Magnitude Earthquake Strikes Indonesia: Tsunami Alert Issued | Indonesia Earthquake Triggers Tsunami Alert and Causes Damage

Environment / Natural Disasters

Alaska Megatsunami Highlights Risks Amid Glacier Retreat

A massive megatsunami in Alaska, triggered by a significant landslide, serves as a stark reminder of the growing dangers associated with melting glaciers and the potential impact on coastal communities and cruise lines. This event underscor...

Massive Alaska megatsunami was second largest ever recorded
Alaska Megatsunami Highlights Risks Amid Glacier Retreat Image via BBC
TOPIC tsunami

News / International

Japan Hit by Earthquake, Tsunami Alerts Issued

A series of earthquakes struck Japan on April 20, 2026, triggering tsunami alerts and raising concerns about further seismic activity. The main earthquake, with a magnitude of 7.4, hit off the coast of northeastern Japan, prompting warnings...

日本发生7.4级地震 可能出现3米浪高海啸

Asia Pacific / Natural Disasters

Japan Hit by Series of Earthquakes, Tsunami Warning Issued

Japan was struck by a series of earthquakes, triggering tsunami warnings and alerts for aftershocks and landslides. The events highlight the region's vulnerability to seismic activity and the importance of preparedness.

Japan earthquake live: Tsunami warning as 7.4-magnitude earthquake hits off northeast coast

News / World

Japan Hit by Earthquakes, Tsunami Warnings Issued

Japan is currently facing a series of earthquake events, prompting tsunami warnings and alerts. A significant 7.5 magnitude earthquake off the coast of northeastern Japan has led to warnings of potential tsunami impact on coastal areas. Add...

日本东北部沿海地区发生7.4级地震 已发布海啸警报

News / Natural Disasters

Indonesia Earthquake Triggers Tsunami Alert

A powerful 7.4 magnitude earthquake struck the Moluccas Sea in Indonesia, triggering a tsunami alert and causing at least one fatality and structural damage. The Pacific Tsunami Warning Center (PTWC) initially warned of potential hazardous...

Indonesia retira alerta de tsunami tras potente terremoto

News / Natural Disasters

Earthquake Hits Indonesia, Triggers Tsunami Alert

A 7.4 magnitude earthquake struck Indonesia, prompting tsunami warnings and causing casualties and damage. Here's a summary of the situation.

Un terremoto de magnitud 7,4 deja al menos un muerto en Indonesia

News / World

7.6 Magnitude Earthquake Strikes Indonesia: Tsunami Alert Issued

A significant earthquake struck the Molucca Sea off the coast of Indonesia on April 2, 2026, prompting tsunami alerts and resulting in at least one reported death. This article summarizes the key details and impact of this natural disaster.

印尼北马鲁古省附近海域发生7.6级地震 已造成1人死亡

News / Natural Disasters

Indonesia Earthquake Triggers Tsunami Alert and Causes Damage

A powerful earthquake struck the Moluccas Sea in Indonesia, triggering a brief tsunami alert and causing considerable damage. This event highlights the region's vulnerability to seismic activity.

Alerta de tsunami tras potente terremoto frente a Indonesia

News / Earthquakes

Magnitude 7.4 Earthquake Strikes Indonesia, Tsunami Warning Lifted

A powerful 7.4 magnitude earthquake struck off the coast of Ternate, Indonesia, on April 1, 2026, causing damage to buildings and prompting a tsunami warning that has since been lifted. The quake, which occurred in the Northern Molucca Sea,...

One killed and buildings damaged as magnitude 7.4 earthquake strikes Indonesia

News / Natural Disasters

Tonga Earthquake: No Tsunami Threat to Hawaii

A strong earthquake struck near Tonga in the South Pacific Ocean. While the magnitude was significant, authorities have confirmed that there is no tsunami threat to Hawaii or the wider Pacific region.

Tonga earthquake: Preliminary magnitude 7.6 earthquake strikes near Tonga in the South Pacific Ocean, USGS says

Science / Geology

Asteroid Impact in North Sea Triggered 330-Foot Tsunami Millions of Years Ago

A long-standing debate surrounding the origin of the Silverpit Crater in the North Sea has been resolved. Scientific evidence confirms that the crater was formed by an asteroid impact approximately 43 to 46 million years ago, resulting in a...

A massive asteroid hit the North Sea and triggered a 330-foot tsunami

News / Disasters

Japan Marks 15 Years Since 2011 Earthquake and Tsunami

Fifteen years after the devastating Great East Japan Earthquake, tsunami, and Fukushima nuclear disaster on March 11, 2011, Japan reflects on the immense loss and ongoing reconstruction efforts. The magnitude 9.0 earthquake triggered a mass...

As Fukushima memories fade, Japan embraces a nuclear-powered future

News / Earthquakes

Earthquake Swarm Hits East Bay, Japan Quake Triggers Tsunami

On December 8, 2025, the East Bay experienced a series of small earthquakes, while a significant earthquake struck off the coast of northern Japan, triggering a tsunami. This highlights the importance of earthquake preparedness and awarenes...

'Flare-up' of Bay Area earthquakes continues into Monday afternoon

News / Natural Disasters

Magnitude 7.2 Earthquake Strikes Japan, Triggering Tsunami Alert

A powerful magnitude 7.2 earthquake struck off the coast of Hokkaido, Japan, triggering a tsunami alert on December 8, 2025. The Japanese Meteorological Agency issued the alert, warning of potential tsunami waves of up to 10 feet.

Tsunami warning issued for Japan’s east coast after 7.6-magnitude earthquake

Science / Oceanography

Satellite Reveals New Details About Tsunamis

The Surface Water and Ocean Topography (SWOT) satellite has provided the first detailed look at a tsunami from space, revealing unexpected features that could improve prediction models and warning systems. Launched in 2022 by NASA and the F...

Pacific Tsunami Warning System 50th Anniversary

Environment / Disasters

NOAA Cuts Back on Seismic Data, Threatening West Coast Tsunami Alerts

The National Oceanic and Atmospheric Administration (NOAA) is reducing its support for seismic monitoring in Alaska, leading to concerns about the accuracy and timeliness of tsunami warnings for coastal communities. This decision terminates...

This lab is key for tracking deadly waves. Its sensors are about to go offline.

News / Natural Disasters

Tsunami Advisory Issued After Earthquake in Japan

A tsunami advisory has been issued for parts of Japan’s eastern coastline following a magnitude 6.7 earthquake detected in the Pacific Ocean on November 9, 2025. The quake struck approximately 78 miles east of Yamada at a depth of just over...

Japan Lifts Tsunami Advisory After Strong Earthquake Off Its Coast

News / Natural Disasters

Tsunami Advisory Issued After Earthquake Strikes Japan

A strong earthquake struck off the coast of Japan, triggering a tsunami advisory and raising concerns in a region prone to seismic activity.

Tsunami advisory issued as strong earthquake strikes off Japanese coast

News / Natural Disasters

Earthquake Strikes Japan, Tsunami Advisory Issued

A significant earthquake has struck off the coast of Japan, triggering a tsunami advisory and raising concerns for coastal communities. This event underscores Japan's vulnerability to seismic activity and the importance of preparedness.

Powerful earthquake strikes off the coast of Japan, tsunami advisory issued