Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from July 8-10.

We have seen other earthquakes in the area that have not generated significant tsunami waves, but we’re treating it seriously and going through our procedures, making sure communities are notified so they can activate their evacuation procedures,

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

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While earthquakes do occur on occasion in Florida, what you felt last night wasn't an earthquake, at least according to the U.S. Geological Survey.

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the Cascades Volcano Observatory said. With quakes ongoing, the swarm has already surpassed a major event in 2009 “in terms of magnitude, total events, event rate, and energy release.”

While most people immediately think of the San Andreas Fault when it comes to potential seismic disasters in the United States, there’s another fault line that has recently been gaining more attention: the New Madrid Seismic Zone.

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active eruptions that are minimal and not very dangerous.