Local emergency agencies say they are monitoring the seismic activity but have not issued any tsunami warnings.

Pressure waves from the colossal 2022 Tonga eruption rippled through Alaska’s crust, offering scientists a rare look into the state’s deep subsurface. Atmospheric waves from a powerful volcanic erupti ...

The Trump administration has finalized a plan to open the coastal plain of Alaska’s Arctic National Wildlife Refuge to oil ...

National Weather Service (NWS) meteorologists issued an urgent storm warning as well as other severe weather alerts for ...

It was a very early morning in August when an entire mountainside in Alaska’s Tracy Arm fjord detached and slid into the deep ocean water beneath it.

Myers was recognized by the Geological Society of America for her extensive contributions to the field of volcanology, with a recent focus on Yellowstone.

The USGS Hawaiian Volcano Observatory monitors volcanic activity across the Hawaiian Islands and American Samoa, helping to ensure public safety and support scientific research. Behind the scenes, the ...

Bears are smart and persistent, and skilled at accessing perceived food sources. So when Ketchikan police in Alaska stumbled across a scene where two bears inside a car, they might not have been that ...

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

The destructive eruption in 1980 created a massive debris avalanche. Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 eruption of Mount St. Helens, ...

Wind gusts that stirred up ash around Mount St. Helens in Washington have people asking: Is the sleeping giant awake? The National Weather Service in Portland responded to reports of volcanic ash ...