An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

Earthquakes are common at Mount Rainier, happening about nine times every month, the agency said. Swarms of earthquakes ...

The Pacific Northwest Seismic Network recorded hundreds of small earthquakes at Mt. Rainier on Tuesday morning. The US ...

The activity began just before 1:30 a.m. on July 8, with hundreds of earthquakes recorded at depths ranging from over a mile ...

Faint booms from space help track incoming debris. But the path matters more than you think. Earth gains a little mass each year as space dust rains down from above, adding thousands of metric tons to ...

This review highlights the progress of infrasound sensing technologies (ISTs), emphasizing the transition from traditional sensors to modern microelectromechanical systems (MEMS) sensors. Advancements ...

Most infrasound sensors measure the motion of a thin metal diaphragm that vibrates with the sound waves. Because wind can mask sound waves, infrasound sensors typically collect pressure over an area.

A network of Cold War-era infrasound sensors can help scientists reconstruct trajectories of falling space objects.