According to the USGS, Mount St. Helens is the most active volcano in the lower 48 states and the most likely in the Cascades to erupt again.

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

57 people died in the eruption, but the disaster gave scientists a way to develop monitoring tools, improving their ability ...

From Plessy v. Ferguson to the Uvalde school shooting, this week in history highlights major events including Mount St.

Francis’ coffin is inside St. Mary Major Basilica Pope Francis’ coffin was ... Related Articles Today in History: May 18, Mount St. Helens erupts Today in History: May 17, Supreme Court ...