Earthquakes located at Mount St. Helens from 2008-2024, a non-eruptive period.

Earthquakes located at Mount St. Helens from 2008-2024, a non-eruptive period. This activity is consistent with normal, background levels. Top: Earthquake events located per week. The orange color at the far right denotes earthquakes from February to June 2024. Bottom: Earthquake depths below sea level (bsl) in kilometers. The orange-filled circles denote seismicity from February to June 2024. Larger circles represent higher magnitudes. USGS graphic. Data courtesy of the Pacific Northwest Seismic Network.