Hundreds of small earthquakes have been rumbling under Washington State’s Mount St. Helens since the start of February, but the United States Geological Survey (USGS) says there’s nothing to worry about.

SKAMANIA COUNTY, Wash. — 350 earthquakes at Mount St. Helens since February is a sign that new magma is moving into the volcano according to USGS. On Tuesday, the United States Geological Survey (USGS) announced in an X post that Mount St. Helens is likely going through a process called recharge.

The small magnitude earthquakes are thought to be associated with the "arrival of additional magma," according to USGS - a process called "recharge."

Earthquake activity around Mount St. Helens spiked to nearly 350 quakes between February 1, 2024, and June 18, 2024, and officials say it may be a sign of “recharging” activity. The increase in earthquake activity has only been small-magnitude quakes,