Mount Adams, the long-dormant volcano in Southwest Washington, recently experienced some unusual seismic activity.

and is actually a dormant volcano. It can easily be seen from miles ... Upgrade to the PRO version for offline maps and more. Last up on our list of the seven wonders of Oregon is Smith Rock, which is ...

And though it's perhaps a bit less definitive, the National Weather Service's Portland office also offered some analysis that would appear to exclude the volcano. The agency tweeted a map of the ...

According to the USGS, it is fairly easy to determine that some volcanoes are extinct. Mount Thielsen in Oregon last erupted about 300,000 years ago and erosion has worn away much of its cone.

It was one of the most powerful volcanic eruptions ever recorded. And it was a wake-up call. Locator map showing Tonga islands on globe, as well as location of volcano in relation to other islands.

Six low-intensity earthquakes rumbled beneath Mount Adams in September, according to the U.S. Geological Survey Cascades ...

The Tom McCall Waterfront Park, on the banks of the Willamette, hosts numerous events, including the annual Oregon Brewers Festival ... are peaks of three mountainous volcanoes: Mount St. Helens ...

In Hawaii, earthquakes are a common occurrence, and we should always practice earthquake preparedness. Millions of people around the world practice “DROP, COVER, and HOLD ON” annually on the third ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of ...

Officials have issues a volcano watch to residents due to the lava flow. Hawaii's Kilauea volcano, one of the most active in the world, is erupting again, prompting a volcano watch alert in ...

The former fisherman was among the 4,000 residents of Grindavik who were evacuated last month over fears the volcano would blow ... will disappear from the map." Iceland has been braced for ...