The recent earthquakes have been small — ranging from magnitudes of 0.9 to 2.0 — but the federal government has only one seismometer in the vicinity of Mount Adams, the second-tallest volcano ...

Seismically, Mount Adams, located in southern Washington state, is relatively calm. The U.S. Geological Survey considers it a “high threat” volcano, but that’s a step below its “very high ...

Mount Adams experienced the most earthquakes in one month during September since monitoring at the volcano began in 1982. Typically, one earthquake occurs every two to three years at Mount Adams.

Six low-intensity earthquakes rumbled beneath Mount Adams during September, according to the U.S. Geological Survey Cascades Volcano Observatory.. That’s an unusual amount of seismic activity at ...

Mount Adams — a breathtaking snow-capped peak in the state’s southern region — has been struck by seven low-intensity earthquakes since September, according to the Cascades Volcano Observatory.

At 12,277 feet (3,742 meters) high and 18 miles (29 kilometers) wide, Mount Adams is the largest active volcano in Washington, surpassing Mount Rainier — the state's highest peak — by volume.

In the north-south trending Mount Adams-King Mountain volcanic field of over 120 smaller volcanos, Mount Adams is the most prominent summit. It is also the second-tallest volcano in Washington and ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

Mount Adams, the long-dormant volcano in Southwest Washington, recently experienced some unusual seismic activity, and the USGS is stepping up their monitoring, which seemed like the perfect ...