A magnitude 5.7 earthquake struck the waters southeast of Manus Island, Papua New Guinea, followed just hours later by a magnitude 5.6 quake beneath the ocean floor south of Buldir Island in Alaska’s remote western Aleutian chain.

A line graph from the Alaska Earthquake Center shows the number of earthquakes over time in the Western Aleutians on Sunday, starting with a magnitude 6.3 event in a swarm that triggered nearly 100 aftershocks. (From Alaska Earthquake Center) A swarm of ...

Earthquakes are one of the most devastating natural hazards, impacting millions of people every year, as well as damaging and destroying critical infrastructure. In contrast with other hazards, their occurrence, intensity, and frequency are extremely ...

A magnitude 5.6 earthquake struck beneath the seafloor near the remote village of Atka in Alaska’s Aleutian Islands on May 22, 2026, sending seismic waves rippling through one of the most active tectonic boundaries on Earth.

Scientists are deploying monitors at the volcanic Mount Adams in Washington State, after a spike in seismic activity. The U.S. Geological Survey (USGS) said Mount Adams typically experiences an earthquake every two to three years, but in September, there ...

SEATTLE — Cuts at the federal level could impact how effective earthquakes are monitored in the Pacific Northwest, a Washington state seismologist warned Friday. This week, hundreds of workers within U.S. science agencies were laid off. The move comes ...

A magnitude 4.8 earthquake struck off the coast of Gran Canaria on Friday, May 22, and was felt across several Canary Islands, including Tenerife and Fuerteventura. The earthquake was recorded